Mercurial > cpython-lru_cache-weakref

annotate Modules/itertoolsmodule.c @ 78236:e683084c8bb9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Consistently raise a TypeError when a non str is passed to hashlib.new regardless of which of the two implementations of new is used.
author Gregory P. Smith <greg@krypto.org>
date Sat, 21 Jul 2012 21:20:44 -0700
parents d274fa027cf5
children b878df1d23b1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
2 #include "Python.h"
33779
c66e6c9ffc2d some platforms still need offsetof() from structmember.h
Fred Drake <fdrake@acm.org>
parents: 33777
diff changeset
3 #include "structmember.h"
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
5 /* Itertools module written and maintained
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
6 by Raymond D. Hettinger <python@rcn.com>
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
7 Copyright (c) 2003 Python Software Foundation.
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
8 All rights reserved.
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
9 */
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
10
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
11
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
12 /* groupby object ***********************************************************/
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
13
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
14 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
15 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
16 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
17 PyObject *keyfunc;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
18 PyObject *tgtkey;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
19 PyObject *currkey;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
20 PyObject *currvalue;
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
21 } groupbyobject;
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
22
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
23 static PyTypeObject groupby_type;
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
24 static PyObject *_grouper_create(groupbyobject *, PyObject *);
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
25
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
26 static PyObject *
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
27 groupby_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
28 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
29 static char *kwargs[] = {"iterable", "key", NULL};
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
30 groupbyobject *gbo;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
31 PyObject *it, *keyfunc = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
32
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
33 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|O:groupby", kwargs,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
34 &it, &keyfunc))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
35 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
36
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
37 gbo = (groupbyobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
38 if (gbo == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
39 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
40 gbo->tgtkey = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
41 gbo->currkey = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
42 gbo->currvalue = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
43 gbo->keyfunc = keyfunc;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
44 Py_INCREF(keyfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
45 gbo->it = PyObject_GetIter(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
46 if (gbo->it == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
47 Py_DECREF(gbo);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
48 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
49 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
50 return (PyObject *)gbo;
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
51 }
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
52
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
53 static void
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
54 groupby_dealloc(groupbyobject *gbo)
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
55 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
56 PyObject_GC_UnTrack(gbo);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
57 Py_XDECREF(gbo->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
58 Py_XDECREF(gbo->keyfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
59 Py_XDECREF(gbo->tgtkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
60 Py_XDECREF(gbo->currkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
61 Py_XDECREF(gbo->currvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
62 Py_TYPE(gbo)->tp_free(gbo);
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
63 }
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
64
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
65 static int
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
66 groupby_traverse(groupbyobject *gbo, visitproc visit, void *arg)
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
67 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
68 Py_VISIT(gbo->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
69 Py_VISIT(gbo->keyfunc);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
70 Py_VISIT(gbo->tgtkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
71 Py_VISIT(gbo->currkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
72 Py_VISIT(gbo->currvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
73 return 0;
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
74 }
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
75
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
76 static PyObject *
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
77 groupby_next(groupbyobject *gbo)
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
78 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
79 PyObject *newvalue, *newkey, *r, *grouper, *tmp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
80
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
81 /* skip to next iteration group */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
82 for (;;) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
83 if (gbo->currkey == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
84 /* pass */;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
85 else if (gbo->tgtkey == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
86 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
87 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
88 int rcmp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
89
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
90 rcmp = PyObject_RichCompareBool(gbo->tgtkey,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
91 gbo->currkey, Py_EQ);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
92 if (rcmp == -1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
93 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
94 else if (rcmp == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
95 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
96 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
97
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
98 newvalue = PyIter_Next(gbo->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
99 if (newvalue == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
100 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
101
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
102 if (gbo->keyfunc == Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
103 newkey = newvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
104 Py_INCREF(newvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
105 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
106 newkey = PyObject_CallFunctionObjArgs(gbo->keyfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
107 newvalue, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
108 if (newkey == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
109 Py_DECREF(newvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
110 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
111 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
112 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
113
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
114 tmp = gbo->currkey;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
115 gbo->currkey = newkey;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
116 Py_XDECREF(tmp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
117
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
118 tmp = gbo->currvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
119 gbo->currvalue = newvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
120 Py_XDECREF(tmp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
121 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
122
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
123 Py_INCREF(gbo->currkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
124 tmp = gbo->tgtkey;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
125 gbo->tgtkey = gbo->currkey;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
126 Py_XDECREF(tmp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
127
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
128 grouper = _grouper_create(gbo, gbo->tgtkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
129 if (grouper == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
130 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
131
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
132 r = PyTuple_Pack(2, gbo->currkey, grouper);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
133 Py_DECREF(grouper);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
134 return r;
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
135 }
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
136
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
137 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
138 groupby_reduce(groupbyobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
139 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
140 /* reduce as a 'new' call with an optional 'setstate' if groupby
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
141 * has started
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
142 */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
143 PyObject *value;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
144 if (lz->tgtkey && lz->currkey && lz->currvalue)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
145 value = Py_BuildValue("O(OO)(OOO)", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
146 lz->it, lz->keyfunc, lz->currkey, lz->currvalue, lz->tgtkey);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
147 else
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
148 value = Py_BuildValue("O(OO)", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
149 lz->it, lz->keyfunc);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
150
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
151 return value;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
152 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
153
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
154 PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
155
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
156 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
157 groupby_setstate(groupbyobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
158 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
159 PyObject *currkey, *currvalue, *tgtkey;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
160 if (!PyArg_ParseTuple(state, "OOO", &currkey, &currvalue, &tgtkey))
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
161 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
162 Py_CLEAR(lz->currkey);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
163 lz->currkey = currkey;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
164 Py_INCREF(lz->currkey);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
165 Py_CLEAR(lz->currvalue);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
166 lz->currvalue = currvalue;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
167 Py_INCREF(lz->currvalue);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
168 Py_CLEAR(lz->tgtkey);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
169 lz->tgtkey = tgtkey;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
170 Py_INCREF(lz->tgtkey);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
171 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
172 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
173
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
174 PyDoc_STRVAR(setstate_doc, "Set state information for unpickling.");
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
175
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
176 static PyMethodDef groupby_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
177 {"__reduce__", (PyCFunction)groupby_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
178 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
179 {"__setstate__", (PyCFunction)groupby_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
180 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
181 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
182 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
183
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
184 PyDoc_STRVAR(groupby_doc,
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
185 "groupby(iterable[, keyfunc]) -> create an iterator which returns\n\
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
186 (key, sub-iterator) grouped by each value of key(value).\n");
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
187
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
188 static PyTypeObject groupby_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
189 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
190 "itertools.groupby", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
191 sizeof(groupbyobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
192 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
193 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
194 (destructor)groupby_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
195 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
196 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
197 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
198 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
199 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
200 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
201 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
202 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
203 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
204 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
205 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
206 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
207 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
208 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
209 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
210 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
211 groupby_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
212 (traverseproc)groupby_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
213 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
214 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
215 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
216 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
217 (iternextfunc)groupby_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
218 groupby_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
219 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
220 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
221 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
222 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
223 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
224 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
225 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
226 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
227 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
228 groupby_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
229 PyObject_GC_Del, /* tp_free */
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
230 };
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
231
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
232
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
233 /* _grouper object (internal) ************************************************/
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
234
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
235 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
236 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
237 PyObject *parent;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
238 PyObject *tgtkey;
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
239 } _grouperobject;
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
240
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
241 static PyTypeObject _grouper_type;
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
242
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
243 static PyObject *
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
244 _grouper_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
245 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
246 PyObject *parent, *tgtkey;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
247
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
248 if (!PyArg_ParseTuple(args, "O!O", &groupby_type, &parent, &tgtkey))
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
249 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
250
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
251 return _grouper_create((groupbyobject*) parent, tgtkey);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
252 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
253
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
254 static PyObject *
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
255 _grouper_create(groupbyobject *parent, PyObject *tgtkey)
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
256 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
257 _grouperobject *igo;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
258
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
259 igo = PyObject_GC_New(_grouperobject, &_grouper_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
260 if (igo == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
261 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
262 igo->parent = (PyObject *)parent;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
263 Py_INCREF(parent);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
264 igo->tgtkey = tgtkey;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
265 Py_INCREF(tgtkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
266
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
267 PyObject_GC_Track(igo);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
268 return (PyObject *)igo;
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
269 }
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
270
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
271 static void
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
272 _grouper_dealloc(_grouperobject *igo)
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
273 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
274 PyObject_GC_UnTrack(igo);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
275 Py_DECREF(igo->parent);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
276 Py_DECREF(igo->tgtkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
277 PyObject_GC_Del(igo);
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
278 }
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
279
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
280 static int
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
281 _grouper_traverse(_grouperobject *igo, visitproc visit, void *arg)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
282 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
283 Py_VISIT(igo->parent);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
284 Py_VISIT(igo->tgtkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
285 return 0;
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
286 }
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
287
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
288 static PyObject *
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
289 _grouper_next(_grouperobject *igo)
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
290 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
291 groupbyobject *gbo = (groupbyobject *)igo->parent;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
292 PyObject *newvalue, *newkey, *r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
293 int rcmp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
294
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
295 if (gbo->currvalue == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
296 newvalue = PyIter_Next(gbo->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
297 if (newvalue == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
298 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
299
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
300 if (gbo->keyfunc == Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
301 newkey = newvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
302 Py_INCREF(newvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
303 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
304 newkey = PyObject_CallFunctionObjArgs(gbo->keyfunc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
305 newvalue, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
306 if (newkey == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
307 Py_DECREF(newvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
308 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
309 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
310 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
311
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
312 assert(gbo->currkey == NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
313 gbo->currkey = newkey;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
314 gbo->currvalue = newvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
315 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
316
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
317 assert(gbo->currkey != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
318 rcmp = PyObject_RichCompareBool(igo->tgtkey, gbo->currkey, Py_EQ);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
319 if (rcmp <= 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
320 /* got any error or current group is end */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
321 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
322
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
323 r = gbo->currvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
324 gbo->currvalue = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
325 Py_CLEAR(gbo->currkey);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
326
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
327 return r;
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
328 }
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
329
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
330 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
331 _grouper_reduce(_grouperobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
332 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
333 return Py_BuildValue("O(OO)", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
334 lz->parent, lz->tgtkey);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
335 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
336
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
337 static PyMethodDef _grouper_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
338 {"__reduce__", (PyCFunction)_grouper_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
339 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
340 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
341 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
342
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
343
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
344 static PyTypeObject _grouper_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
345 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
346 "itertools._grouper", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
347 sizeof(_grouperobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
348 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
349 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
350 (destructor)_grouper_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
351 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
352 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
353 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
354 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
355 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
356 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
357 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
358 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
359 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
360 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
361 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
362 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
363 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
364 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
365 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
366 0, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
367 (traverseproc)_grouper_traverse,/* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
368 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
369 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
370 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
371 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
372 (iternextfunc)_grouper_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
373 _grouper_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
374 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
375 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
376 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
377 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
378 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
379 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
380 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
381 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
382 0, /* tp_alloc */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
383 _grouper_new, /* tp_new */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
384 PyObject_GC_Del, /* tp_free */
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
385 };
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
386
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
387
31136
fde74fadf780 Implement itertools.groupby()
Raymond Hettinger <python@rcn.com>
parents: 30900
diff changeset
388
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
389 /* tee object and with supporting function and objects ***************/
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
390
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
391 /* The teedataobject pre-allocates space for LINKCELLS number of objects.
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
392 To help the object fit neatly inside cache lines (space for 16 to 32
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
393 pointers), the value should be a multiple of 16 minus space for
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
394 the other structure members including PyHEAD overhead. The larger the
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
395 value, the less memory overhead per object and the less time spent
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
396 allocating/deallocating new links. The smaller the number, the less
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
397 wasted space and the more rapid freeing of older data.
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
398 */
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
399 #define LINKCELLS 57
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
400
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
401 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
402 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
403 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
404 int numread;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
405 PyObject *nextlink;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
406 PyObject *(values[LINKCELLS]);
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
407 } teedataobject;
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
408
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
409 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
410 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
411 teedataobject *dataobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
412 int index;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
413 PyObject *weakreflist;
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
414 } teeobject;
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
415
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
416 static PyTypeObject teedataobject_type;
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
417
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
418 static PyObject *
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
419 teedataobject_newinternal(PyObject *it)
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
420 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
421 teedataobject *tdo;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
422
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
423 tdo = PyObject_GC_New(teedataobject, &teedataobject_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
424 if (tdo == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
425 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
426
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
427 tdo->numread = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
428 tdo->nextlink = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
429 Py_INCREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
430 tdo->it = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
431 PyObject_GC_Track(tdo);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
432 return (PyObject *)tdo;
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
433 }
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
434
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
435 static PyObject *
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
436 teedataobject_jumplink(teedataobject *tdo)
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
437 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
438 if (tdo->nextlink == NULL)
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
439 tdo->nextlink = teedataobject_newinternal(tdo->it);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
440 Py_XINCREF(tdo->nextlink);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
441 return tdo->nextlink;
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
442 }
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
443
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
444 static PyObject *
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
445 teedataobject_getitem(teedataobject *tdo, int i)
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
446 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
447 PyObject *value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
448
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
449 assert(i < LINKCELLS);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
450 if (i < tdo->numread)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
451 value = tdo->values[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
452 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
453 /* this is the lead iterator, so fetch more data */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
454 assert(i == tdo->numread);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
455 value = PyIter_Next(tdo->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
456 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
457 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
458 tdo->numread++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
459 tdo->values[i] = value;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
460 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
461 Py_INCREF(value);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
462 return value;
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
463 }
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
464
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
465 static int
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
466 teedataobject_traverse(teedataobject *tdo, visitproc visit, void * arg)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
467 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
468 int i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
469 Py_VISIT(tdo->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
470 for (i = 0; i < tdo->numread; i++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
471 Py_VISIT(tdo->values[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
472 Py_VISIT(tdo->nextlink);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
473 return 0;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
474 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
475
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
476 static int
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
477 teedataobject_clear(teedataobject *tdo)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
478 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
479 int i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
480 Py_CLEAR(tdo->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
481 for (i=0 ; i<tdo->numread ; i++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
482 Py_CLEAR(tdo->values[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
483 Py_CLEAR(tdo->nextlink);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
484 return 0;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
485 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
486
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
487 static void
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
488 teedataobject_dealloc(teedataobject *tdo)
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
489 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
490 PyObject_GC_UnTrack(tdo);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
491 teedataobject_clear(tdo);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
492 PyObject_GC_Del(tdo);
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
493 }
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
494
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
495 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
496 teedataobject_reduce(teedataobject *tdo)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
497 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
498 int i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
499 /* create a temporary list of already iterated values */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
500 PyObject *values = PyList_New(tdo->numread);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
501 if (!values)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
502 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
503 for (i=0 ; i<tdo->numread ; i++) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
504 Py_INCREF(tdo->values[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
505 PyList_SET_ITEM(values, i, tdo->values[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
506 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
507 return Py_BuildValue("O(ONO)", Py_TYPE(tdo), tdo->it,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
508 values,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
509 tdo->nextlink ? tdo->nextlink : Py_None);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
510 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
511
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
512 static PyTypeObject teedataobject_type;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
513
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
514 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
515 teedataobject_new(PyTypeObject *type, PyObject *args, PyObject *kw)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
516 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
517 teedataobject *tdo;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
518 PyObject *it, *values, *next;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
519 Py_ssize_t i, len;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
520
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
521 assert(type == &teedataobject_type);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
522 if (!PyArg_ParseTuple(args, "OO!O", &it, &PyList_Type, &values, &next))
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
523 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
524
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
525 tdo = (teedataobject *)teedataobject_newinternal(it);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
526 if (!tdo)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
527 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
528
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
529 len = PyList_GET_SIZE(values);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
530 if (len > LINKCELLS)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
531 goto err;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
532 for (i=0; i<len; i++) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
533 tdo->values[i] = PyList_GET_ITEM(values, i);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
534 Py_INCREF(tdo->values[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
535 }
76946
d274fa027cf5 Add safecase to silence Win64 warning.
Martin v. Löwis <martin@v.loewis.de>
parents: 76091
diff changeset
536 /* len <= LINKCELLS < INT_MAX */
d274fa027cf5 Add safecase to silence Win64 warning.
Martin v. Löwis <martin@v.loewis.de>
parents: 76091
diff changeset
537 tdo->numread = Py_SAFE_DOWNCAST(len, Py_ssize_t, int);
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
538
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
539 if (len == LINKCELLS) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
540 if (next != Py_None) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
541 if (Py_TYPE(next) != &teedataobject_type)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
542 goto err;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
543 assert(tdo->nextlink == NULL);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
544 Py_INCREF(next);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
545 tdo->nextlink = next;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
546 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
547 } else {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
548 if (next != Py_None)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
549 goto err; /* shouldn't have a next if we are not full */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
550 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
551 return (PyObject*)tdo;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
552
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
553 err:
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
554 Py_XDECREF(tdo);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
555 PyErr_SetString(PyExc_ValueError, "Invalid arguments");
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
556 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
557 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
558
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
559 static PyMethodDef teedataobject_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
560 {"__reduce__", (PyCFunction)teedataobject_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
561 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
562 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
563 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
564
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
565 PyDoc_STRVAR(teedataobject_doc, "Data container common to multiple tee objects.");
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
566
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
567 static PyTypeObject teedataobject_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
568 PyVarObject_HEAD_INIT(0, 0) /* Must fill in type value later */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
569 "itertools._tee_dataobject", /* tp_name */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
570 sizeof(teedataobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
571 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
572 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
573 (destructor)teedataobject_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
574 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
575 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
576 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
577 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
578 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
579 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
580 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
581 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
582 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
583 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
584 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
585 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
586 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
587 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
588 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
589 teedataobject_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
590 (traverseproc)teedataobject_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
591 (inquiry)teedataobject_clear, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
592 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
593 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
594 0, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
595 0, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
596 teedataobject_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
597 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
598 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
599 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
600 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
601 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
602 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
603 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
604 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
605 0, /* tp_alloc */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
606 teedataobject_new, /* tp_new */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
607 PyObject_GC_Del, /* tp_free */
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
608 };
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
609
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
610
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
611 static PyTypeObject tee_type;
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
612
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
613 static PyObject *
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
614 tee_next(teeobject *to)
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
615 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
616 PyObject *value, *link;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
617
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
618 if (to->index >= LINKCELLS) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
619 link = teedataobject_jumplink(to->dataobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
620 Py_DECREF(to->dataobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
621 to->dataobj = (teedataobject *)link;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
622 to->index = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
623 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
624 value = teedataobject_getitem(to->dataobj, to->index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
625 if (value == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
626 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
627 to->index++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
628 return value;
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
629 }
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
630
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
631 static int
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
632 tee_traverse(teeobject *to, visitproc visit, void *arg)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
633 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
634 Py_VISIT((PyObject *)to->dataobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
635 return 0;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
636 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
637
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
638 static PyObject *
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
639 tee_copy(teeobject *to)
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
640 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
641 teeobject *newto;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
642
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
643 newto = PyObject_GC_New(teeobject, &tee_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
644 if (newto == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
645 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
646 Py_INCREF(to->dataobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
647 newto->dataobj = to->dataobj;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
648 newto->index = to->index;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
649 newto->weakreflist = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
650 PyObject_GC_Track(newto);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
651 return (PyObject *)newto;
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
652 }
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
653
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
654 PyDoc_STRVAR(teecopy_doc, "Returns an independent iterator.");
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
655
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
656 static PyObject *
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
657 tee_fromiterable(PyObject *iterable)
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
658 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
659 teeobject *to;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
660 PyObject *it = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
661
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
662 it = PyObject_GetIter(iterable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
663 if (it == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
664 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
665 if (PyObject_TypeCheck(it, &tee_type)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
666 to = (teeobject *)tee_copy((teeobject *)it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
667 goto done;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
668 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
669
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
670 to = PyObject_GC_New(teeobject, &tee_type);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
671 if (to == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
672 goto done;
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
673 to->dataobj = (teedataobject *)teedataobject_newinternal(it);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
674 if (!to->dataobj) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
675 PyObject_GC_Del(to);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
676 to = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
677 goto done;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
678 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
679
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
680 to->index = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
681 to->weakreflist = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
682 PyObject_GC_Track(to);
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
683 done:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
684 Py_XDECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
685 return (PyObject *)to;
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
686 }
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
687
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
688 static PyObject *
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
689 tee_new(PyTypeObject *type, PyObject *args, PyObject *kw)
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
690 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
691 PyObject *iterable;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
692
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
693 if (!PyArg_UnpackTuple(args, "_tee", 1, 1, &iterable))
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
694 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
695 return tee_fromiterable(iterable);
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
696 }
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
697
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
698 static int
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
699 tee_clear(teeobject *to)
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
700 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
701 if (to->weakreflist != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
702 PyObject_ClearWeakRefs((PyObject *) to);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
703 Py_CLEAR(to->dataobj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
704 return 0;
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
705 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36684
diff changeset
706
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
707 static void
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
708 tee_dealloc(teeobject *to)
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
709 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
710 PyObject_GC_UnTrack(to);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
711 tee_clear(to);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
712 PyObject_GC_Del(to);
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
713 }
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
714
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
715 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
716 tee_reduce(teeobject *to)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
717 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
718 return Py_BuildValue("O(())(Oi)", Py_TYPE(to), to->dataobj, to->index);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
719 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
720
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
721 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
722 tee_setstate(teeobject *to, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
723 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
724 teedataobject *tdo;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
725 int index;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
726 if (!PyArg_ParseTuple(state, "O!i", &teedataobject_type, &tdo, &index))
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
727 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
728 if (index < 0 || index > LINKCELLS) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
729 PyErr_SetString(PyExc_ValueError, "Index out of range");
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
730 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
731 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
732 Py_CLEAR(to->dataobj);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
733 to->dataobj = tdo;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
734 Py_INCREF(to->dataobj);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
735 to->index = index;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
736 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
737 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
738
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
739 PyDoc_STRVAR(teeobject_doc,
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
740 "Iterator wrapped to make it copyable");
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
741
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
742 static PyMethodDef tee_methods[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
743 {"__copy__", (PyCFunction)tee_copy, METH_NOARGS, teecopy_doc},
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
744 {"__reduce__", (PyCFunction)tee_reduce, METH_NOARGS, reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
745 {"__setstate__", (PyCFunction)tee_setstate, METH_O, setstate_doc},
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
746 {NULL, NULL} /* sentinel */
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
747 };
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
748
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
749 static PyTypeObject tee_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
750 PyVarObject_HEAD_INIT(NULL, 0)
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
751 "itertools._tee", /* tp_name */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
752 sizeof(teeobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
753 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
754 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
755 (destructor)tee_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
756 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
757 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
758 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
759 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
760 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
761 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
762 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
763 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
764 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
765 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
766 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
767 0, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
768 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
769 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
770 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
771 teeobject_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
772 (traverseproc)tee_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
773 (inquiry)tee_clear, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
774 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
775 offsetof(teeobject, weakreflist), /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
776 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
777 (iternextfunc)tee_next, /* tp_iternext */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
778 tee_methods, /* tp_methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
779 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
780 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
781 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
782 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
783 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
784 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
785 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
786 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
787 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
788 tee_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
789 PyObject_GC_Del, /* tp_free */
30764
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
790 };
b948e775a79e Added itertools.tee()
Raymond Hettinger <python@rcn.com>
parents: 30240
diff changeset
791
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
792 static PyObject *
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
793 tee(PyObject *self, PyObject *args)
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
794 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
795 Py_ssize_t i, n=2;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
796 PyObject *it, *iterable, *copyable, *result;
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
797 _Py_IDENTIFIER(__copy__);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
798
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
799 if (!PyArg_ParseTuple(args, "O|n", &iterable, &n))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
800 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
801 if (n < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
802 PyErr_SetString(PyExc_ValueError, "n must be >= 0");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
803 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
804 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
805 result = PyTuple_New(n);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
806 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
807 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
808 if (n == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
809 return result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
810 it = PyObject_GetIter(iterable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
811 if (it == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
812 Py_DECREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
813 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
814 }
72926
db4aa878cea2 Port SetAttrString/HasAttrString to SetAttrId/GetAttrId.
Martin v. Löwis <martin@v.loewis.de>
parents: 72925
diff changeset
815 if (!_PyObject_HasAttrId(it, &PyId___copy__)) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
816 copyable = tee_fromiterable(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
817 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
818 if (copyable == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
819 Py_DECREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
820 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
821 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
822 } else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
823 copyable = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
824 PyTuple_SET_ITEM(result, 0, copyable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
825 for (i=1 ; i<n ; i++) {
72835
5e33219492bc Add API for static strings, primarily good for identifiers.
Martin v. Löwis <martin@v.loewis.de>
parents: 72460
diff changeset
826
5e33219492bc Add API for static strings, primarily good for identifiers.
Martin v. Löwis <martin@v.loewis.de>
parents: 72460
diff changeset
827 copyable = _PyObject_CallMethodId(copyable, &PyId___copy__, NULL);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
828 if (copyable == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
829 Py_DECREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
830 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
831 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
832 PyTuple_SET_ITEM(result, i, copyable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
833 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
834 return result;
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
835 }
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
836
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
837 PyDoc_STRVAR(tee_doc,
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
838 "tee(iterable, n=2) --> tuple of n independent iterators.");
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
839
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
840
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
841 /* cycle object **********************************************************/
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
842
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
843 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
844 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
845 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
846 PyObject *saved;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
847 int firstpass;
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
848 } cycleobject;
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
849
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
850 static PyTypeObject cycle_type;
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
851
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
852 static PyObject *
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
853 cycle_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
854 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
855 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
856 PyObject *iterable;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
857 PyObject *saved;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
858 cycleobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
859
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
860 if (type == &cycle_type && !_PyArg_NoKeywords("cycle()", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
861 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
862
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
863 if (!PyArg_UnpackTuple(args, "cycle", 1, 1, &iterable))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
864 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
865
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
866 /* Get iterator. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
867 it = PyObject_GetIter(iterable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
868 if (it == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
869 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
870
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
871 saved = PyList_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
872 if (saved == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
873 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
874 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
875 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
876
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
877 /* create cycleobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
878 lz = (cycleobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
879 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
880 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
881 Py_DECREF(saved);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
882 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
883 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
884 lz->it = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
885 lz->saved = saved;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
886 lz->firstpass = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
887
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
888 return (PyObject *)lz;
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
889 }
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
890
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
891 static void
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
892 cycle_dealloc(cycleobject *lz)
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
893 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
894 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
895 Py_XDECREF(lz->saved);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
896 Py_XDECREF(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
897 Py_TYPE(lz)->tp_free(lz);
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
898 }
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
899
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
900 static int
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
901 cycle_traverse(cycleobject *lz, visitproc visit, void *arg)
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
902 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
903 Py_VISIT(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
904 Py_VISIT(lz->saved);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
905 return 0;
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
906 }
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
907
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
908 static PyObject *
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
909 cycle_next(cycleobject *lz)
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
910 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
911 PyObject *item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
912 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
913 PyObject *tmp;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
914
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
915 while (1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
916 item = PyIter_Next(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
917 if (item != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
918 if (!lz->firstpass && PyList_Append(lz->saved, item)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
919 Py_DECREF(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
920 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
921 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
922 return item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
923 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
924 if (PyErr_Occurred()) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
925 if (PyErr_ExceptionMatches(PyExc_StopIteration))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
926 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
927 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
928 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
929 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
930 if (PyList_Size(lz->saved) == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
931 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
932 it = PyObject_GetIter(lz->saved);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
933 if (it == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
934 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
935 tmp = lz->it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
936 lz->it = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
937 lz->firstpass = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
938 Py_DECREF(tmp);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
939 }
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
940 }
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
941
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
942 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
943 cycle_reduce(cycleobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
944 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
945 /* Create a new cycle with the iterator tuple, then set
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
946 * the saved state on it.
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
947 */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
948 return Py_BuildValue("O(O)(Oi)", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
949 lz->it, lz->saved, lz->firstpass);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
950 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
951
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
952 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
953 cycle_setstate(cycleobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
954 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
955 PyObject *saved=NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
956 int firstpass;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
957 if (!PyArg_ParseTuple(state, "Oi", &saved, &firstpass))
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
958 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
959 Py_CLEAR(lz->saved);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
960 lz->saved = saved;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
961 Py_XINCREF(lz->saved);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
962 lz->firstpass = firstpass != 0;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
963 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
964 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
965
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
966 static PyMethodDef cycle_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
967 {"__reduce__", (PyCFunction)cycle_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
968 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
969 {"__setstate__", (PyCFunction)cycle_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
970 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
971 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
972 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
973
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
974 PyDoc_STRVAR(cycle_doc,
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
975 "cycle(iterable) --> cycle object\n\
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
976 \n\
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
977 Return elements from the iterable until it is exhausted.\n\
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
978 Then repeat the sequence indefinitely.");
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
979
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
980 static PyTypeObject cycle_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
981 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
982 "itertools.cycle", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
983 sizeof(cycleobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
984 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
985 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
986 (destructor)cycle_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
987 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
988 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
989 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
990 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
991 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
992 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
993 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
994 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
995 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
996 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
997 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
998 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
999 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1000 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1001 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1002 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1003 cycle_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1004 (traverseproc)cycle_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1005 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1006 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1007 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1008 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1009 (iternextfunc)cycle_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1010 cycle_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1011 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1012 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1013 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1014 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1015 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1016 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1017 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1018 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1019 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1020 cycle_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1021 PyObject_GC_Del, /* tp_free */
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1022 };
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1023
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1024
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1025 /* dropwhile object **********************************************************/
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1026
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1027 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1028 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1029 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1030 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1031 long start;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1032 } dropwhileobject;
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1033
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1034 static PyTypeObject dropwhile_type;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1035
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1036 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1037 dropwhile_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1038 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1039 PyObject *func, *seq;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1040 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1041 dropwhileobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1042
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1043 if (type == &dropwhile_type && !_PyArg_NoKeywords("dropwhile()", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1044 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1045
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1046 if (!PyArg_UnpackTuple(args, "dropwhile", 2, 2, &func, &seq))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1047 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1048
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1049 /* Get iterator. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1050 it = PyObject_GetIter(seq);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1051 if (it == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1052 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1053
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1054 /* create dropwhileobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1055 lz = (dropwhileobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1056 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1057 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1058 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1059 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1060 Py_INCREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1061 lz->func = func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1062 lz->it = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1063 lz->start = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1064
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1065 return (PyObject *)lz;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1066 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1067
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1068 static void
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1069 dropwhile_dealloc(dropwhileobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1070 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1071 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1072 Py_XDECREF(lz->func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1073 Py_XDECREF(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1074 Py_TYPE(lz)->tp_free(lz);
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1075 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1076
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1077 static int
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1078 dropwhile_traverse(dropwhileobject *lz, visitproc visit, void *arg)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1079 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1080 Py_VISIT(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1081 Py_VISIT(lz->func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1082 return 0;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1083 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1084
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1085 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1086 dropwhile_next(dropwhileobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1087 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1088 PyObject *item, *good;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1089 PyObject *it = lz->it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1090 long ok;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1091 PyObject *(*iternext)(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1092
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1093 iternext = *Py_TYPE(it)->tp_iternext;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1094 for (;;) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1095 item = iternext(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1096 if (item == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1097 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1098 if (lz->start == 1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1099 return item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1100
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1101 good = PyObject_CallFunctionObjArgs(lz->func, item, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1102 if (good == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1103 Py_DECREF(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1104 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1105 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1106 ok = PyObject_IsTrue(good);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1107 Py_DECREF(good);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1108 if (!ok) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1109 lz->start = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1110 return item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1111 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1112 Py_DECREF(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1113 }
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1114 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1115
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1116 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1117 dropwhile_reduce(dropwhileobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1118 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1119 return Py_BuildValue("O(OO)l", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1120 lz->func, lz->it, lz->start);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1121 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1122
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1123 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1124 dropwhile_setstate(dropwhileobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1125 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1126 int start = PyObject_IsTrue(state);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1127 if (start == -1)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1128 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1129 lz->start = start;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1130 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1131 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1132
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1133 static PyMethodDef dropwhile_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1134 {"__reduce__", (PyCFunction)dropwhile_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1135 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1136 {"__setstate__", (PyCFunction)dropwhile_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1137 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1138 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1139 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1140
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1141 PyDoc_STRVAR(dropwhile_doc,
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1142 "dropwhile(predicate, iterable) --> dropwhile object\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1143 \n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1144 Drop items from the iterable while predicate(item) is true.\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1145 Afterwards, return every element until the iterable is exhausted.");
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1146
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1147 static PyTypeObject dropwhile_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1148 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1149 "itertools.dropwhile", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1150 sizeof(dropwhileobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1151 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1152 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1153 (destructor)dropwhile_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1154 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1155 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1156 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1157 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1158 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1159 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1160 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1161 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1162 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1163 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1164 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1165 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1166 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1167 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1168 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1169 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1170 dropwhile_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1171 (traverseproc)dropwhile_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1172 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1173 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1174 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1175 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1176 (iternextfunc)dropwhile_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1177 dropwhile_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1178 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1179 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1180 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1181 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1182 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1183 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1184 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1185 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1186 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1187 dropwhile_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1188 PyObject_GC_Del, /* tp_free */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1189 };
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1190
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1191
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1192 /* takewhile object **********************************************************/
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1193
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1194 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1195 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1196 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1197 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1198 long stop;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1199 } takewhileobject;
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1200
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1201 static PyTypeObject takewhile_type;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1202
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1203 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1204 takewhile_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1205 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1206 PyObject *func, *seq;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1207 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1208 takewhileobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1209
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1210 if (type == &takewhile_type && !_PyArg_NoKeywords("takewhile()", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1211 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1212
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1213 if (!PyArg_UnpackTuple(args, "takewhile", 2, 2, &func, &seq))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1214 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1215
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1216 /* Get iterator. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1217 it = PyObject_GetIter(seq);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1218 if (it == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1219 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1220
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1221 /* create takewhileobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1222 lz = (takewhileobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1223 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1224 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1225 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1226 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1227 Py_INCREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1228 lz->func = func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1229 lz->it = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1230 lz->stop = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1231
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1232 return (PyObject *)lz;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1233 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1234
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1235 static void
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1236 takewhile_dealloc(takewhileobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1237 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1238 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1239 Py_XDECREF(lz->func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1240 Py_XDECREF(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1241 Py_TYPE(lz)->tp_free(lz);
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1242 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1243
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1244 static int
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1245 takewhile_traverse(takewhileobject *lz, visitproc visit, void *arg)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1246 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1247 Py_VISIT(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1248 Py_VISIT(lz->func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1249 return 0;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1250 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1251
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1252 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1253 takewhile_next(takewhileobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1254 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1255 PyObject *item, *good;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1256 PyObject *it = lz->it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1257 long ok;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1258
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1259 if (lz->stop == 1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1260 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1261
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1262 item = (*Py_TYPE(it)->tp_iternext)(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1263 if (item == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1264 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1265
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1266 good = PyObject_CallFunctionObjArgs(lz->func, item, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1267 if (good == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1268 Py_DECREF(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1269 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1270 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1271 ok = PyObject_IsTrue(good);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1272 Py_DECREF(good);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1273 if (ok)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1274 return item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1275 Py_DECREF(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1276 lz->stop = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1277 return NULL;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1278 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1279
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1280 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1281 takewhile_reduce(takewhileobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1282 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1283 return Py_BuildValue("O(OO)l", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1284 lz->func, lz->it, lz->stop);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1285 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1286
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1287 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1288 takewhile_reduce_setstate(takewhileobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1289 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1290 int stop = PyObject_IsTrue(state);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1291 if (stop == -1)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1292 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1293 lz->stop = stop;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1294 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1295 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1296
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1297 static PyMethodDef takewhile_reduce_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1298 {"__reduce__", (PyCFunction)takewhile_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1299 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1300 {"__setstate__", (PyCFunction)takewhile_reduce_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1301 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1302 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1303 };
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1304 PyDoc_STRVAR(takewhile_doc,
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1305 "takewhile(predicate, iterable) --> takewhile object\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1306 \n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1307 Return successive entries from an iterable as long as the \n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1308 predicate evaluates to true for each entry.");
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1309
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1310 static PyTypeObject takewhile_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1311 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1312 "itertools.takewhile", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1313 sizeof(takewhileobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1314 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1315 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1316 (destructor)takewhile_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1317 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1318 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1319 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1320 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1321 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1322 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1323 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1324 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1325 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1326 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1327 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1328 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1329 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1330 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1331 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1332 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1333 takewhile_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1334 (traverseproc)takewhile_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1335 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1336 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1337 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1338 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1339 (iternextfunc)takewhile_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1340 takewhile_reduce_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1341 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1342 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1343 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1344 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1345 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1346 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1347 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1348 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1349 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1350 takewhile_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1351 PyObject_GC_Del, /* tp_free */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1352 };
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1353
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1354
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1355 /* islice object ************************************************************/
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1356
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1357 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1358 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1359 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1360 Py_ssize_t next;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1361 Py_ssize_t stop;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1362 Py_ssize_t step;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1363 Py_ssize_t cnt;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1364 } isliceobject;
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1365
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1366 static PyTypeObject islice_type;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1367
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1368 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1369 islice_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1370 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1371 PyObject *seq;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1372 Py_ssize_t start=0, stop=-1, step=1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1373 PyObject *it, *a1=NULL, *a2=NULL, *a3=NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1374 Py_ssize_t numargs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1375 isliceobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1376
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1377 if (type == &islice_type && !_PyArg_NoKeywords("islice()", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1378 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1379
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1380 if (!PyArg_UnpackTuple(args, "islice", 2, 4, &seq, &a1, &a2, &a3))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1381 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1382
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1383 numargs = PyTuple_Size(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1384 if (numargs == 2) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1385 if (a1 != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1386 stop = PyLong_AsSsize_t(a1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1387 if (stop == -1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1388 if (PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1389 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1390 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1391 "Stop argument for islice() must be None or an integer: 0 <= x <= sys.maxsize.");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1392 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1393 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1394 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1395 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1396 if (a1 != Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1397 start = PyLong_AsSsize_t(a1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1398 if (start == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1399 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1400 if (a2 != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1401 stop = PyLong_AsSsize_t(a2);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1402 if (stop == -1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1403 if (PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1404 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1405 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1406 "Stop argument for islice() must be None or an integer: 0 <= x <= sys.maxsize.");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1407 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1408 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1409 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1410 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1411 if (start<0 || stop<-1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1412 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1413 "Indices for islice() must be None or an integer: 0 <= x <= sys.maxsize.");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1414 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1415 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1416
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1417 if (a3 != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1418 if (a3 != Py_None)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1419 step = PyLong_AsSsize_t(a3);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1420 if (step == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1421 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1422 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1423 if (step<1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1424 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1425 "Step for islice() must be a positive integer or None.");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1426 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1427 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1428
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1429 /* Get iterator. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1430 it = PyObject_GetIter(seq);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1431 if (it == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1432 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1433
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1434 /* create isliceobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1435 lz = (isliceobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1436 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1437 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1438 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1439 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1440 lz->it = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1441 lz->next = start;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1442 lz->stop = stop;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1443 lz->step = step;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1444 lz->cnt = 0L;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1445
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1446 return (PyObject *)lz;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1447 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1448
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1449 static void
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1450 islice_dealloc(isliceobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1451 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1452 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1453 Py_XDECREF(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1454 Py_TYPE(lz)->tp_free(lz);
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1455 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1456
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1457 static int
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1458 islice_traverse(isliceobject *lz, visitproc visit, void *arg)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1459 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1460 Py_VISIT(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1461 return 0;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1462 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1463
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1464 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1465 islice_next(isliceobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1466 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1467 PyObject *item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1468 PyObject *it = lz->it;
66546
6799d54db378 Issue #10323: Predictable final state for slice().
Raymond Hettinger <python@rcn.com>
parents: 62239
diff changeset
1469 Py_ssize_t stop = lz->stop;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1470 Py_ssize_t oldnext;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1471 PyObject *(*iternext)(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1472
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1473 iternext = *Py_TYPE(it)->tp_iternext;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1474 while (lz->cnt < lz->next) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1475 item = iternext(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1476 if (item == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1477 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1478 Py_DECREF(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1479 lz->cnt++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1480 }
66546
6799d54db378 Issue #10323: Predictable final state for slice().
Raymond Hettinger <python@rcn.com>
parents: 62239
diff changeset
1481 if (stop != -1 && lz->cnt >= stop)
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1482 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1483 item = iternext(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1484 if (item == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1485 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1486 lz->cnt++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1487 oldnext = lz->next;
72459
b378864d8ff3 Issue #12973: Fix itertools bug caused by signed integer overflow. Thanks Stefan Krah.
Mark Dickinson <mdickinson@enthought.com>
parents: 69063
diff changeset
1488 /* The (size_t) cast below avoids the danger of undefined
b378864d8ff3 Issue #12973: Fix itertools bug caused by signed integer overflow. Thanks Stefan Krah.
Mark Dickinson <mdickinson@enthought.com>
parents: 69063
diff changeset
1489 behaviour from signed integer overflow. */
b378864d8ff3 Issue #12973: Fix itertools bug caused by signed integer overflow. Thanks Stefan Krah.
Mark Dickinson <mdickinson@enthought.com>
parents: 69063
diff changeset
1490 lz->next += (size_t)lz->step;
66546
6799d54db378 Issue #10323: Predictable final state for slice().
Raymond Hettinger <python@rcn.com>
parents: 62239
diff changeset
1491 if (lz->next < oldnext || (stop != -1 && lz->next > stop))
6799d54db378 Issue #10323: Predictable final state for slice().
Raymond Hettinger <python@rcn.com>
parents: 62239
diff changeset
1492 lz->next = stop;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1493 return item;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1494 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1495
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1496 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1497 islice_reduce(isliceobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1498 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1499 /* When unpickled, generate a new object with the same bounds,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1500 * then 'setstate' with the next and count
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1501 */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1502 PyObject *stop;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1503 if (lz->stop == -1) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1504 stop = Py_None;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1505 Py_INCREF(stop);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1506 } else {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1507 stop = PyLong_FromSsize_t(lz->stop);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1508 if (stop == NULL)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1509 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1510 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1511 return Py_BuildValue("O(OnNn)n", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1512 lz->it, lz->next, stop, lz->step,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1513 lz->cnt);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1514 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1515
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1516 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1517 islice_setstate(isliceobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1518 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1519 Py_ssize_t cnt = PyLong_AsSsize_t(state);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1520 if (cnt == -1 && PyErr_Occurred())
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1521 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1522 lz->cnt = cnt;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1523 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1524 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1525
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1526 static PyMethodDef islice_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1527 {"__reduce__", (PyCFunction)islice_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1528 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1529 {"__setstate__", (PyCFunction)islice_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1530 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1531 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1532 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1533
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1534 PyDoc_STRVAR(islice_doc,
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1535 "islice(iterable, [start,] stop [, step]) --> islice object\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1536 \n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1537 Return an iterator whose next() method returns selected values from an\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1538 iterable. If start is specified, will skip all preceding elements;\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1539 otherwise, start defaults to zero. Step defaults to one. If\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1540 specified as another value, step determines how many values are \n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1541 skipped between successive calls. Works like a slice() on a list\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1542 but returns an iterator.");
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1543
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1544 static PyTypeObject islice_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1545 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1546 "itertools.islice", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1547 sizeof(isliceobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1548 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1549 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1550 (destructor)islice_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1551 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1552 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1553 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1554 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1555 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1556 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1557 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1558 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1559 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1560 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1561 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1562 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1563 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1564 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1565 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1566 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1567 islice_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1568 (traverseproc)islice_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1569 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1570 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1571 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1572 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1573 (iternextfunc)islice_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1574 islice_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1575 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1576 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1577 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1578 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1579 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1580 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1581 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1582 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1583 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1584 islice_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1585 PyObject_GC_Del, /* tp_free */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1586 };
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1587
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1588
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1589 /* starmap object ************************************************************/
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1590
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1591 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1592 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1593 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1594 PyObject *it;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1595 } starmapobject;
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1596
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1597 static PyTypeObject starmap_type;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1598
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1599 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1600 starmap_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1601 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1602 PyObject *func, *seq;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1603 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1604 starmapobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1605
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1606 if (type == &starmap_type && !_PyArg_NoKeywords("starmap()", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1607 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1608
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1609 if (!PyArg_UnpackTuple(args, "starmap", 2, 2, &func, &seq))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1610 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1611
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1612 /* Get iterator. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1613 it = PyObject_GetIter(seq);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1614 if (it == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1615 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1616
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1617 /* create starmapobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1618 lz = (starmapobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1619 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1620 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1621 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1622 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1623 Py_INCREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1624 lz->func = func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1625 lz->it = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1626
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1627 return (PyObject *)lz;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1628 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1629
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1630 static void
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1631 starmap_dealloc(starmapobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1632 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1633 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1634 Py_XDECREF(lz->func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1635 Py_XDECREF(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1636 Py_TYPE(lz)->tp_free(lz);
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1637 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1638
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1639 static int
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1640 starmap_traverse(starmapobject *lz, visitproc visit, void *arg)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1641 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1642 Py_VISIT(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1643 Py_VISIT(lz->func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1644 return 0;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1645 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1646
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1647 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1648 starmap_next(starmapobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1649 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1650 PyObject *args;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1651 PyObject *result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1652 PyObject *it = lz->it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1653
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1654 args = (*Py_TYPE(it)->tp_iternext)(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1655 if (args == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1656 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1657 if (!PyTuple_CheckExact(args)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1658 PyObject *newargs = PySequence_Tuple(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1659 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1660 if (newargs == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1661 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1662 args = newargs;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1663 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1664 result = PyObject_Call(lz->func, args, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1665 Py_DECREF(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1666 return result;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1667 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1668
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1669 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1670 starmap_reduce(starmapobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1671 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1672 /* Just pickle the iterator */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1673 return Py_BuildValue("O(OO)", Py_TYPE(lz), lz->func, lz->it);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1674 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1675
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1676 static PyMethodDef starmap_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1677 {"__reduce__", (PyCFunction)starmap_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1678 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1679 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1680 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1681
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1682 PyDoc_STRVAR(starmap_doc,
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1683 "starmap(function, sequence) --> starmap object\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1684 \n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1685 Return an iterator whose values are returned from the function evaluated\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1686 with a argument tuple taken from the given sequence.");
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1687
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1688 static PyTypeObject starmap_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1689 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1690 "itertools.starmap", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1691 sizeof(starmapobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1692 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1693 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1694 (destructor)starmap_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1695 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1696 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1697 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1698 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1699 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1700 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1701 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1702 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1703 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1704 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1705 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1706 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1707 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1708 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1709 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1710 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1711 starmap_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1712 (traverseproc)starmap_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1713 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1714 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1715 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1716 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1717 (iternextfunc)starmap_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1718 starmap_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1719 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1720 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1721 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1722 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1723 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1724 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1725 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1726 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1727 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1728 starmap_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1729 PyObject_GC_Del, /* tp_free */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1730 };
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1731
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1732
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1733 /* chain object ************************************************************/
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1734
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1735 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1736 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1737 PyObject *source; /* Iterator over input iterables */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1738 PyObject *active; /* Currently running input iterator */
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1739 } chainobject;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1740
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1741 static PyTypeObject chain_type;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1742
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1743 static PyObject *
45569
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1744 chain_new_internal(PyTypeObject *type, PyObject *source)
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1745 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1746 chainobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1747
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1748 lz = (chainobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1749 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1750 Py_DECREF(source);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1751 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1752 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1753
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1754 lz->source = source;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1755 lz->active = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1756 return (PyObject *)lz;
45569
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1757 }
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1758
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1759 static PyObject *
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1760 chain_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1761 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1762 PyObject *source;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1763
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1764 if (type == &chain_type && !_PyArg_NoKeywords("chain()", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1765 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1766
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1767 source = PyObject_GetIter(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1768 if (source == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1769 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1770
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1771 return chain_new_internal(type, source);
45569
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1772 }
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1773
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1774 static PyObject *
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1775 chain_new_from_iterable(PyTypeObject *type, PyObject *arg)
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1776 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1777 PyObject *source;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1778
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1779 source = PyObject_GetIter(arg);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1780 if (source == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1781 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1782
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1783 return chain_new_internal(type, source);
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1784 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1785
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1786 static void
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1787 chain_dealloc(chainobject *lz)
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1788 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1789 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1790 Py_XDECREF(lz->active);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1791 Py_XDECREF(lz->source);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1792 Py_TYPE(lz)->tp_free(lz);
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1793 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1794
27747
941de791b17a SF bug #681003: itertools issues
Raymond Hettinger <python@rcn.com>
parents: 27570
diff changeset
1795 static int
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1796 chain_traverse(chainobject *lz, visitproc visit, void *arg)
27747
941de791b17a SF bug #681003: itertools issues
Raymond Hettinger <python@rcn.com>
parents: 27570
diff changeset
1797 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1798 Py_VISIT(lz->source);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1799 Py_VISIT(lz->active);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1800 return 0;
27747
941de791b17a SF bug #681003: itertools issues
Raymond Hettinger <python@rcn.com>
parents: 27570
diff changeset
1801 }
941de791b17a SF bug #681003: itertools issues
Raymond Hettinger <python@rcn.com>
parents: 27570
diff changeset
1802
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1803 static PyObject *
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1804 chain_next(chainobject *lz)
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1805 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1806 PyObject *item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1807
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1808 if (lz->source == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1809 return NULL; /* already stopped */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1810
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1811 if (lz->active == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1812 PyObject *iterable = PyIter_Next(lz->source);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1813 if (iterable == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1814 Py_CLEAR(lz->source);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1815 return NULL; /* no more input sources */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1816 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1817 lz->active = PyObject_GetIter(iterable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1818 Py_DECREF(iterable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1819 if (lz->active == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1820 Py_CLEAR(lz->source);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1821 return NULL; /* input not iterable */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1822 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1823 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1824 item = PyIter_Next(lz->active);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1825 if (item != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1826 return item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1827 if (PyErr_Occurred()) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1828 if (PyErr_ExceptionMatches(PyExc_StopIteration))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1829 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1830 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1831 return NULL; /* input raised an exception */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1832 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1833 Py_CLEAR(lz->active);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1834 return chain_next(lz); /* recurse and use next active */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1835 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1836
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1837 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1838 chain_reduce(chainobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1839 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1840 if (lz->source) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1841 /* we can't pickle function objects (itertools.from_iterable) so
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1842 * we must use setstate to replace the iterable. One day we
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1843 * will fix pickling of functions
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1844 */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1845 if (lz->active) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1846 return Py_BuildValue("O()(OO)", Py_TYPE(lz), lz->source, lz->active);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1847 } else {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1848 return Py_BuildValue("O()(O)", Py_TYPE(lz), lz->source);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1849 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1850 } else {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1851 return Py_BuildValue("O()", Py_TYPE(lz)); /* exhausted */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1852 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1853 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1854 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1855
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1856 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1857 chain_setstate(chainobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1858 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1859 PyObject *source, *active=NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1860 if (! PyArg_ParseTuple(state, "O|O", &source, &active))
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1861 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1862
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1863 Py_CLEAR(lz->source);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1864 lz->source = source;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1865 Py_INCREF(lz->source);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1866 Py_CLEAR(lz->active);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1867 lz->active = active;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1868 Py_XINCREF(lz->active);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1869 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1870 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1871
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1872 PyDoc_STRVAR(chain_doc,
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1873 "chain(*iterables) --> chain object\n\
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1874 \n\
41501
0c5019afc55b PEP 3114: rename .next() to .__next__() and add next() builtin.
Georg Brandl <georg@python.org>
parents: 40893
diff changeset
1875 Return a chain object whose .__next__() method returns elements from the\n\
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1876 first iterable until it is exhausted, then elements from the next\n\
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
1877 iterable, until all of the iterables are exhausted.");
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1878
45569
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1879 PyDoc_STRVAR(chain_from_iterable_doc,
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1880 "chain.from_iterable(iterable) --> chain object\n\
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1881 \n\
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1882 Alternate chain() contructor taking a single iterable argument\n\
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1883 that evaluates lazily.");
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1884
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1885 static PyMethodDef chain_methods[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1886 {"from_iterable", (PyCFunction) chain_new_from_iterable, METH_O | METH_CLASS,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1887 chain_from_iterable_doc},
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1888 {"__reduce__", (PyCFunction)chain_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1889 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1890 {"__setstate__", (PyCFunction)chain_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
1891 setstate_doc},
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1892 {NULL, NULL} /* sentinel */
45569
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1893 };
937a3c5af691 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61083,61085,61092-61097,61103-61104,61110-61112,61114-61115,61117-61125 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45548
diff changeset
1894
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
1895 static PyTypeObject chain_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1896 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1897 "itertools.chain", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1898 sizeof(chainobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1899 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1900 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1901 (destructor)chain_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1902 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1903 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1904 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1905 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1906 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1907 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1908 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1909 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1910 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1911 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1912 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1913 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1914 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1915 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1916 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1917 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1918 chain_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1919 (traverseproc)chain_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1920 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1921 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1922 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1923 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1924 (iternextfunc)chain_next, /* tp_iternext */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1925 chain_methods, /* tp_methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1926 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1927 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1928 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1929 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1930 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1931 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1932 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1933 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1934 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1935 chain_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1936 PyObject_GC_Del, /* tp_free */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1937 };
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1938
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1939
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1940 /* product object ************************************************************/
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1941
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1942 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1943 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1944 PyObject *pools; /* tuple of pool tuples */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1945 Py_ssize_t *indices; /* one index per pool */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1946 PyObject *result; /* most recently returned result tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1947 int stopped; /* set to 1 when the product iterator is exhausted */
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1948 } productobject;
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1949
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1950 static PyTypeObject product_type;
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1951
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1952 static PyObject *
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1953 product_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
1954 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1955 productobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1956 Py_ssize_t nargs, npools, repeat=1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1957 PyObject *pools = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1958 Py_ssize_t *indices = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1959 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1960
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1961 if (kwds != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1962 char *kwlist[] = {"repeat", 0};
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1963 PyObject *tmpargs = PyTuple_New(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1964 if (tmpargs == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1965 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1966 if (!PyArg_ParseTupleAndKeywords(tmpargs, kwds, "|n:product", kwlist, &repeat)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1967 Py_DECREF(tmpargs);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1968 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1969 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1970 Py_DECREF(tmpargs);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1971 if (repeat < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1972 PyErr_SetString(PyExc_ValueError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1973 "repeat argument cannot be negative");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1974 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1975 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1976 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1977
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1978 assert(PyTuple_Check(args));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1979 nargs = (repeat == 0) ? 0 : PyTuple_GET_SIZE(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1980 npools = nargs * repeat;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1981
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1982 indices = PyMem_Malloc(npools * sizeof(Py_ssize_t));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1983 if (indices == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1984 PyErr_NoMemory();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1985 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1986 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1987
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1988 pools = PyTuple_New(npools);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1989 if (pools == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1990 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1991
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1992 for (i=0; i < nargs ; ++i) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1993 PyObject *item = PyTuple_GET_ITEM(args, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1994 PyObject *pool = PySequence_Tuple(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1995 if (pool == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1996 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1997 PyTuple_SET_ITEM(pools, i, pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1998 indices[i] = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
1999 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2000 for ( ; i < npools; ++i) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2001 PyObject *pool = PyTuple_GET_ITEM(pools, i - nargs);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2002 Py_INCREF(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2003 PyTuple_SET_ITEM(pools, i, pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2004 indices[i] = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2005 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2006
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2007 /* create productobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2008 lz = (productobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2009 if (lz == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2010 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2011
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2012 lz->pools = pools;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2013 lz->indices = indices;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2014 lz->result = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2015 lz->stopped = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2016
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2017 return (PyObject *)lz;
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2018
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2019 error:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2020 if (indices != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2021 PyMem_Free(indices);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2022 Py_XDECREF(pools);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2023 return NULL;
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2024 }
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2025
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2026 static void
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2027 product_dealloc(productobject *lz)
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2028 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2029 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2030 Py_XDECREF(lz->pools);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2031 Py_XDECREF(lz->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2032 if (lz->indices != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2033 PyMem_Free(lz->indices);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2034 Py_TYPE(lz)->tp_free(lz);
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2035 }
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2036
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2037 static int
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2038 product_traverse(productobject *lz, visitproc visit, void *arg)
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2039 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2040 Py_VISIT(lz->pools);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2041 Py_VISIT(lz->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2042 return 0;
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2043 }
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2044
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2045 static PyObject *
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2046 product_next(productobject *lz)
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2047 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2048 PyObject *pool;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2049 PyObject *elem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2050 PyObject *oldelem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2051 PyObject *pools = lz->pools;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2052 PyObject *result = lz->result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2053 Py_ssize_t npools = PyTuple_GET_SIZE(pools);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2054 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2055
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2056 if (lz->stopped)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2057 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2058
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2059 if (result == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2060 /* On the first pass, return an initial tuple filled with the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2061 first element from each pool. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2062 result = PyTuple_New(npools);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2063 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2064 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2065 lz->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2066 for (i=0; i < npools; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2067 pool = PyTuple_GET_ITEM(pools, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2068 if (PyTuple_GET_SIZE(pool) == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2069 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2070 elem = PyTuple_GET_ITEM(pool, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2071 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2072 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2073 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2074 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2075 Py_ssize_t *indices = lz->indices;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2076
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2077 /* Copy the previous result tuple or re-use it if available */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2078 if (Py_REFCNT(result) > 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2079 PyObject *old_result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2080 result = PyTuple_New(npools);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2081 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2082 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2083 lz->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2084 for (i=0; i < npools; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2085 elem = PyTuple_GET_ITEM(old_result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2086 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2087 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2088 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2089 Py_DECREF(old_result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2090 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2091 /* Now, we've got the only copy so we can update it in-place */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2092 assert (npools==0 || Py_REFCNT(result) == 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2093
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2094 /* Update the pool indices right-to-left. Only advance to the
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2095 next pool when the previous one rolls-over */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2096 for (i=npools-1 ; i >= 0 ; i--) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2097 pool = PyTuple_GET_ITEM(pools, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2098 indices[i]++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2099 if (indices[i] == PyTuple_GET_SIZE(pool)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2100 /* Roll-over and advance to next pool */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2101 indices[i] = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2102 elem = PyTuple_GET_ITEM(pool, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2103 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2104 oldelem = PyTuple_GET_ITEM(result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2105 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2106 Py_DECREF(oldelem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2107 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2108 /* No rollover. Just increment and stop here. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2109 elem = PyTuple_GET_ITEM(pool, indices[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2110 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2111 oldelem = PyTuple_GET_ITEM(result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2112 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2113 Py_DECREF(oldelem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2114 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2115 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2116 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2117
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2118 /* If i is negative, then the indices have all rolled-over
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2119 and we're done. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2120 if (i < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2121 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2122 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2123
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2124 Py_INCREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2125 return result;
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2126
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2127 empty:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2128 lz->stopped = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2129 return NULL;
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2130 }
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2131
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2132 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2133 product_reduce(productobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2134 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2135 if (lz->stopped) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2136 return Py_BuildValue("O(())", Py_TYPE(lz));
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2137 } else if (lz->result == NULL) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2138 return Py_BuildValue("OO", Py_TYPE(lz), lz->pools);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2139 } else {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2140 PyObject *indices;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2141 Py_ssize_t n, i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2142
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2143 /* we must pickle the indices use them for setstate, and
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2144 * additionally indicate that the iterator has started
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2145 */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2146 n = PyTuple_GET_SIZE(lz->pools);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2147 indices = PyTuple_New(n);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2148 if (indices == NULL)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2149 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2150 for (i=0; i<n; i++){
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2151 PyObject* index = PyLong_FromSsize_t(lz->indices[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2152 if (!index) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2153 Py_DECREF(indices);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2154 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2155 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2156 PyTuple_SET_ITEM(indices, i, index);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2157 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2158 return Py_BuildValue("OON", Py_TYPE(lz), lz->pools, indices);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2159 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2160 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2161
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2162 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2163 product_setstate(productobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2164 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2165 PyObject *result;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2166 Py_ssize_t n, i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2167
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2168 n = PyTuple_GET_SIZE(lz->pools);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2169 if (!PyTuple_Check(state) || PyTuple_GET_SIZE(state) != n) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2170 PyErr_SetString(PyExc_ValueError, "invalid arguments");
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2171 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2172 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2173 for (i=0; i<n; i++)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2174 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2175 PyObject* indexObject = PyTuple_GET_ITEM(state, i);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2176 Py_ssize_t index = PyLong_AsSsize_t(indexObject);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2177 if (index < 0 && PyErr_Occurred())
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2178 return NULL; /* not an integer */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2179 /* clamp the index */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2180 if (index < 0)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2181 index = 0;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2182 else if (index > n-1)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2183 index = n-1;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2184 lz->indices[i] = index;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2185 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2186
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2187 result = PyTuple_New(n);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2188 if (!result)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2189 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2190 for (i=0; i<n; i++) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2191 PyObject *pool = PyTuple_GET_ITEM(lz->pools, i);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2192 PyObject *element = PyTuple_GET_ITEM(pool, lz->indices[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2193 Py_INCREF(element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2194 PyTuple_SET_ITEM(result, i, element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2195 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2196 Py_CLEAR(lz->result);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2197 lz->result = result;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2198 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2199 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2200
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2201 static PyMethodDef product_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2202 {"__reduce__", (PyCFunction)product_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2203 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2204 {"__setstate__", (PyCFunction)product_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2205 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2206 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2207 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2208
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2209 PyDoc_STRVAR(product_doc,
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2210 "product(*iterables) --> product object\n\
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2211 \n\
45446
5e0772ed20d1 Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900,60902-60906,60908,60911-60917,60919-60920,60922,60926,60929-60931,60933-60935,60937,60939-60941,60943-60954,60959-60961,60963-60969,60971-60976 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45435
diff changeset
2212 Cartesian product of input iterables. Equivalent to nested for-loops.\n\n\
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2213 For example, product(A, B) returns the same as: ((x,y) for x in A for y in B).\n\
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2214 The leftmost iterators are in the outermost for-loop, so the output tuples\n\
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2215 cycle in a manner similar to an odometer (with the rightmost element changing\n\
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2216 on every iteration).\n\n\
51503
e759da93df64 Merged revisions 69466,69480 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 51270
diff changeset
2217 To compute the product of an iterable with itself, specify the number\n\
e759da93df64 Merged revisions 69466,69480 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 51270
diff changeset
2218 of repetitions with the optional repeat keyword argument. For example,\n\
e759da93df64 Merged revisions 69466,69480 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 51270
diff changeset
2219 product(A, repeat=4) means the same as product(A, A, A, A).\n\n\
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2220 product('ab', range(3)) --> ('a',0) ('a',1) ('a',2) ('b',0) ('b',1) ('b',2)\n\
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2221 product((0,1), (0,1), (0,1)) --> (0,0,0) (0,0,1) (0,1,0) (0,1,1) (1,0,0) ...");
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2222
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2223 static PyTypeObject product_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2224 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2225 "itertools.product", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2226 sizeof(productobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2227 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2228 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2229 (destructor)product_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2230 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2231 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2232 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2233 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2234 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2235 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2236 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2237 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2238 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2239 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2240 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2241 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2242 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2243 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2244 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2245 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2246 product_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2247 (traverseproc)product_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2248 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2249 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2250 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2251 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2252 (iternextfunc)product_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2253 product_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2254 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2255 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2256 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2257 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2258 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2259 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2260 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2261 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2262 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2263 product_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2264 PyObject_GC_Del, /* tp_free */
45435
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2265 };
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2266
42b3b117391d Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678,60680-60683,60685-60686,60688,60690,60692-60694,60697-60700,60705-60706,60708,60711,60714,60720,60724-60730,60732,60736,60742,60744,60746,60748,60750-60751,60753,60756-60757,60759-60761,60763-60764,60766,60769-60770,60774-60784,60787-60789,60793,60796,60799-60809,60812-60813,60815-60821,60823-60826,60828-60829,60831-60834,60836,60838-60839,60846-60849,60852-60854,60856-60859,60861-60870,60874-60875,60880-60881,60886,60888-60890,60892,60894-60898,60900-60931,60933-60958 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44881
diff changeset
2267
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2268 /* combinations object ************************************************************/
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2269
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2270 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2271 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2272 PyObject *pool; /* input converted to a tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2273 Py_ssize_t *indices; /* one index per result element */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2274 PyObject *result; /* most recently returned result tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2275 Py_ssize_t r; /* size of result tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2276 int stopped; /* set to 1 when the combinations iterator is exhausted */
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2277 } combinationsobject;
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2278
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2279 static PyTypeObject combinations_type;
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2280
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2281 static PyObject *
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2282 combinations_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2283 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2284 combinationsobject *co;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2285 Py_ssize_t n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2286 Py_ssize_t r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2287 PyObject *pool = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2288 PyObject *iterable = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2289 Py_ssize_t *indices = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2290 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2291 static char *kwargs[] = {"iterable", "r", NULL};
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2292
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2293 if (!PyArg_ParseTupleAndKeywords(args, kwds, "On:combinations", kwargs,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2294 &iterable, &r))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2295 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2296
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2297 pool = PySequence_Tuple(iterable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2298 if (pool == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2299 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2300 n = PyTuple_GET_SIZE(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2301 if (r < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2302 PyErr_SetString(PyExc_ValueError, "r must be non-negative");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2303 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2304 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2305
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2306 indices = PyMem_Malloc(r * sizeof(Py_ssize_t));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2307 if (indices == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2308 PyErr_NoMemory();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2309 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2310 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2311
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2312 for (i=0 ; i<r ; i++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2313 indices[i] = i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2314
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2315 /* create combinationsobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2316 co = (combinationsobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2317 if (co == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2318 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2319
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2320 co->pool = pool;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2321 co->indices = indices;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2322 co->result = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2323 co->r = r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2324 co->stopped = r > n ? 1 : 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2325
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2326 return (PyObject *)co;
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2327
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2328 error:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2329 if (indices != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2330 PyMem_Free(indices);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2331 Py_XDECREF(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2332 return NULL;
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2333 }
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2334
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2335 static void
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2336 combinations_dealloc(combinationsobject *co)
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2337 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2338 PyObject_GC_UnTrack(co);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2339 Py_XDECREF(co->pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2340 Py_XDECREF(co->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2341 if (co->indices != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2342 PyMem_Free(co->indices);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2343 Py_TYPE(co)->tp_free(co);
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2344 }
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2345
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2346 static int
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2347 combinations_traverse(combinationsobject *co, visitproc visit, void *arg)
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2348 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2349 Py_VISIT(co->pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2350 Py_VISIT(co->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2351 return 0;
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2352 }
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2353
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2354 static PyObject *
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2355 combinations_next(combinationsobject *co)
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2356 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2357 PyObject *elem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2358 PyObject *oldelem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2359 PyObject *pool = co->pool;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2360 Py_ssize_t *indices = co->indices;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2361 PyObject *result = co->result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2362 Py_ssize_t n = PyTuple_GET_SIZE(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2363 Py_ssize_t r = co->r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2364 Py_ssize_t i, j, index;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2365
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2366 if (co->stopped)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2367 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2368
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2369 if (result == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2370 /* On the first pass, initialize result tuple using the indices */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2371 result = PyTuple_New(r);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2372 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2373 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2374 co->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2375 for (i=0; i<r ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2376 index = indices[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2377 elem = PyTuple_GET_ITEM(pool, index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2378 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2379 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2380 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2381 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2382 /* Copy the previous result tuple or re-use it if available */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2383 if (Py_REFCNT(result) > 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2384 PyObject *old_result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2385 result = PyTuple_New(r);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2386 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2387 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2388 co->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2389 for (i=0; i<r ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2390 elem = PyTuple_GET_ITEM(old_result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2391 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2392 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2393 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2394 Py_DECREF(old_result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2395 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2396 /* Now, we've got the only copy so we can update it in-place
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2397 * CPython's empty tuple is a singleton and cached in
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2398 * PyTuple's freelist.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2399 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2400 assert(r == 0 || Py_REFCNT(result) == 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2401
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2402 /* Scan indices right-to-left until finding one that is not
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2403 at its maximum (i + n - r). */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2404 for (i=r-1 ; i >= 0 && indices[i] == i+n-r ; i--)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2405 ;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2406
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2407 /* If i is negative, then the indices are all at
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2408 their maximum value and we're done. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2409 if (i < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2410 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2411
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2412 /* Increment the current index which we know is not at its
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2413 maximum. Then move back to the right setting each index
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2414 to its lowest possible value (one higher than the index
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2415 to its left -- this maintains the sort order invariant). */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2416 indices[i]++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2417 for (j=i+1 ; j<r ; j++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2418 indices[j] = indices[j-1] + 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2419
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2420 /* Update the result tuple for the new indices
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2421 starting with i, the leftmost index that changed */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2422 for ( ; i<r ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2423 index = indices[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2424 elem = PyTuple_GET_ITEM(pool, index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2425 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2426 oldelem = PyTuple_GET_ITEM(result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2427 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2428 Py_DECREF(oldelem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2429 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2430 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2431
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2432 Py_INCREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2433 return result;
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2434
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2435 empty:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2436 co->stopped = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2437 return NULL;
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2438 }
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2439
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2440 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2441 combinations_reduce(combinationsobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2442 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2443 if (lz->result == NULL) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2444 return Py_BuildValue("O(On)", Py_TYPE(lz), lz->pool, lz->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2445 } else if (lz->stopped) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2446 return Py_BuildValue("O(()n)", Py_TYPE(lz), lz->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2447 } else {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2448 PyObject *indices;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2449 Py_ssize_t i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2450
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2451 /* we must pickle the indices and use them for setstate */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2452 indices = PyTuple_New(lz->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2453 if (!indices)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2454 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2455 for (i=0; i<lz->r; i++)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2456 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2457 PyObject* index = PyLong_FromSsize_t(lz->indices[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2458 if (!index) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2459 Py_DECREF(indices);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2460 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2461 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2462 PyTuple_SET_ITEM(indices, i, index);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2463 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2464
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2465 return Py_BuildValue("O(On)N", Py_TYPE(lz), lz->pool, lz->r, indices);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2466 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2467 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2468
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2469 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2470 combinations_setstate(combinationsobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2471 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2472 PyObject *result;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2473 Py_ssize_t i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2474 Py_ssize_t n = PyTuple_GET_SIZE(lz->pool);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2475
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2476 if (!PyTuple_Check(state) || PyTuple_GET_SIZE(state) != lz->r)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2477 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2478 PyErr_SetString(PyExc_ValueError, "invalid arguments");
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2479 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2480 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2481
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2482 for (i=0; i<lz->r; i++)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2483 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2484 Py_ssize_t max;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2485 PyObject* indexObject = PyTuple_GET_ITEM(state, i);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2486 Py_ssize_t index = PyLong_AsSsize_t(indexObject);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2487 if (index == -1 && PyErr_Occurred())
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2488 return NULL; /* not an integer */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2489 max = i + n - lz->r;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2490 /* clamp the index (beware of negative max) */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2491 if (index > max)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2492 index = max;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2493 if (index < 0)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2494 index = 0;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2495 lz->indices[i] = index;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2496 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2497
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2498 result = PyTuple_New(lz->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2499 if (result == NULL)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2500 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2501 for (i=0; i<lz->r; i++) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2502 PyObject *element = PyTuple_GET_ITEM(lz->pool, lz->indices[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2503 Py_INCREF(element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2504 PyTuple_SET_ITEM(result, i, element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2505 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2506
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2507 Py_CLEAR(lz->result);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2508 lz->result = result;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2509 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2510 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2511
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2512 static PyMethodDef combinations_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2513 {"__reduce__", (PyCFunction)combinations_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2514 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2515 {"__setstate__", (PyCFunction)combinations_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2516 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2517 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2518 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2519
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2520 PyDoc_STRVAR(combinations_doc,
57344
a790f84fbafa Fix docstrings for itertools combinatoric functions.
Raymond Hettinger <python@rcn.com>
parents: 57042
diff changeset
2521 "combinations(iterable, r) --> combinations object\n\
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2522 \n\
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2523 Return successive r-length combinations of elements in the iterable.\n\n\
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2524 combinations(range(4), 3) --> (0,1,2), (0,1,3), (0,2,3), (1,2,3)");
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2525
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2526 static PyTypeObject combinations_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2527 PyVarObject_HEAD_INIT(NULL, 0)
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2528 "itertools.combinations", /* tp_name */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2529 sizeof(combinationsobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2530 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2531 /* methods */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2532 (destructor)combinations_dealloc, /* tp_dealloc */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2533 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2534 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2535 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2536 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2537 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2538 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2539 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2540 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2541 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2542 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2543 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2544 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2545 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2546 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2547 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2548 Py_TPFLAGS_BASETYPE, /* tp_flags */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2549 combinations_doc, /* tp_doc */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2550 (traverseproc)combinations_traverse,/* tp_traverse */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2551 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2552 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2553 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2554 PyObject_SelfIter, /* tp_iter */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2555 (iternextfunc)combinations_next, /* tp_iternext */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2556 combinations_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2557 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2558 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2559 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2560 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2561 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2562 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2563 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2564 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2565 0, /* tp_alloc */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2566 combinations_new, /* tp_new */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2567 PyObject_GC_Del, /* tp_free */
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2568 };
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2569
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
2570
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2571 /* combinations with replacement object *******************************************/
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2572
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2573 /* Equivalent to:
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2574
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2575 def combinations_with_replacement(iterable, r):
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2576 "combinations_with_replacement('ABC', 2) --> AA AB AC BB BC CC"
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2577 # number items returned: (n+r-1)! / r! / (n-1)!
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2578 pool = tuple(iterable)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2579 n = len(pool)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2580 indices = [0] * r
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2581 yield tuple(pool[i] for i in indices)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2582 while 1:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2583 for i in reversed(range(r)):
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2584 if indices[i] != n - 1:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2585 break
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2586 else:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2587 return
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2588 indices[i:] = [indices[i] + 1] * (r - i)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2589 yield tuple(pool[i] for i in indices)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2590
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2591 def combinations_with_replacement2(iterable, r):
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2592 'Alternate version that filters from product()'
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2593 pool = tuple(iterable)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2594 n = len(pool)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2595 for indices in product(range(n), repeat=r):
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2596 if sorted(indices) == list(indices):
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2597 yield tuple(pool[i] for i in indices)
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2598 */
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2599 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2600 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2601 PyObject *pool; /* input converted to a tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2602 Py_ssize_t *indices; /* one index per result element */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2603 PyObject *result; /* most recently returned result tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2604 Py_ssize_t r; /* size of result tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2605 int stopped; /* set to 1 when the cwr iterator is exhausted */
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2606 } cwrobject;
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2607
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2608 static PyTypeObject cwr_type;
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2609
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2610 static PyObject *
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2611 cwr_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2612 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2613 cwrobject *co;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2614 Py_ssize_t n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2615 Py_ssize_t r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2616 PyObject *pool = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2617 PyObject *iterable = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2618 Py_ssize_t *indices = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2619 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2620 static char *kwargs[] = {"iterable", "r", NULL};
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2621
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2622 if (!PyArg_ParseTupleAndKeywords(args, kwds, "On:combinations_with_replacement", kwargs,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2623 &iterable, &r))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2624 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2625
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2626 pool = PySequence_Tuple(iterable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2627 if (pool == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2628 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2629 n = PyTuple_GET_SIZE(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2630 if (r < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2631 PyErr_SetString(PyExc_ValueError, "r must be non-negative");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2632 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2633 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2634
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2635 indices = PyMem_Malloc(r * sizeof(Py_ssize_t));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2636 if (indices == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2637 PyErr_NoMemory();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2638 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2639 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2640
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2641 for (i=0 ; i<r ; i++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2642 indices[i] = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2643
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2644 /* create cwrobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2645 co = (cwrobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2646 if (co == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2647 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2648
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2649 co->pool = pool;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2650 co->indices = indices;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2651 co->result = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2652 co->r = r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2653 co->stopped = !n && r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2654
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2655 return (PyObject *)co;
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2656
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2657 error:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2658 if (indices != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2659 PyMem_Free(indices);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2660 Py_XDECREF(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2661 return NULL;
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2662 }
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2663
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2664 static void
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2665 cwr_dealloc(cwrobject *co)
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2666 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2667 PyObject_GC_UnTrack(co);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2668 Py_XDECREF(co->pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2669 Py_XDECREF(co->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2670 if (co->indices != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2671 PyMem_Free(co->indices);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2672 Py_TYPE(co)->tp_free(co);
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2673 }
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2674
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2675 static int
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2676 cwr_traverse(cwrobject *co, visitproc visit, void *arg)
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2677 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2678 Py_VISIT(co->pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2679 Py_VISIT(co->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2680 return 0;
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2681 }
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2682
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2683 static PyObject *
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2684 cwr_next(cwrobject *co)
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2685 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2686 PyObject *elem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2687 PyObject *oldelem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2688 PyObject *pool = co->pool;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2689 Py_ssize_t *indices = co->indices;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2690 PyObject *result = co->result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2691 Py_ssize_t n = PyTuple_GET_SIZE(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2692 Py_ssize_t r = co->r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2693 Py_ssize_t i, j, index;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2694
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2695 if (co->stopped)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2696 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2697
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2698 if (result == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2699 /* On the first pass, initialize result tuple using the indices */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2700 result = PyTuple_New(r);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2701 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2702 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2703 co->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2704 for (i=0; i<r ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2705 index = indices[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2706 elem = PyTuple_GET_ITEM(pool, index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2707 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2708 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2709 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2710 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2711 /* Copy the previous result tuple or re-use it if available */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2712 if (Py_REFCNT(result) > 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2713 PyObject *old_result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2714 result = PyTuple_New(r);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2715 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2716 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2717 co->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2718 for (i=0; i<r ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2719 elem = PyTuple_GET_ITEM(old_result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2720 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2721 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2722 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2723 Py_DECREF(old_result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2724 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2725 /* Now, we've got the only copy so we can update it in-place CPython's
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2726 empty tuple is a singleton and cached in PyTuple's freelist. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2727 assert(r == 0 || Py_REFCNT(result) == 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2728
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2729 /* Scan indices right-to-left until finding one that is not
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2730 * at its maximum (n-1). */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2731 for (i=r-1 ; i >= 0 && indices[i] == n-1; i--)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2732 ;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2733
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2734 /* If i is negative, then the indices are all at
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2735 their maximum value and we're done. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2736 if (i < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2737 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2738
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2739 /* Increment the current index which we know is not at its
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2740 maximum. Then set all to the right to the same value. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2741 indices[i]++;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2742 for (j=i+1 ; j<r ; j++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2743 indices[j] = indices[j-1];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2744
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2745 /* Update the result tuple for the new indices
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2746 starting with i, the leftmost index that changed */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2747 for ( ; i<r ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2748 index = indices[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2749 elem = PyTuple_GET_ITEM(pool, index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2750 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2751 oldelem = PyTuple_GET_ITEM(result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2752 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2753 Py_DECREF(oldelem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2754 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2755 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2756
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2757 Py_INCREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2758 return result;
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2759
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2760 empty:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2761 co->stopped = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2762 return NULL;
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2763 }
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2764
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2765 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2766 cwr_reduce(cwrobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2767 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2768 if (lz->result == NULL) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2769 return Py_BuildValue("O(On)", Py_TYPE(lz), lz->pool, lz->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2770 } else if (lz->stopped) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2771 return Py_BuildValue("O(()n)", Py_TYPE(lz), lz->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2772 } else {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2773 PyObject *indices;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2774 Py_ssize_t i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2775
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2776 /* we must pickle the indices and use them for setstate */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2777 indices = PyTuple_New(lz->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2778 if (!indices)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2779 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2780 for (i=0; i<lz->r; i++)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2781 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2782 PyObject* index = PyLong_FromSsize_t(lz->indices[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2783 if (!index) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2784 Py_DECREF(indices);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2785 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2786 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2787 PyTuple_SET_ITEM(indices, i, index);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2788 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2789
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2790 return Py_BuildValue("O(On)N", Py_TYPE(lz), lz->pool, lz->r, indices);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2791 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2792 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2793
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2794 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2795 cwr_setstate(cwrobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2796 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2797 PyObject *result;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2798 Py_ssize_t n, i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2799
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2800 if (!PyTuple_Check(state) || PyTuple_GET_SIZE(state) != lz->r)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2801 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2802 PyErr_SetString(PyExc_ValueError, "invalid arguments");
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2803 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2804 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2805
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2806 n = PyTuple_GET_SIZE(lz->pool);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2807 for (i=0; i<lz->r; i++)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2808 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2809 PyObject* indexObject = PyTuple_GET_ITEM(state, i);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2810 Py_ssize_t index = PyLong_AsSsize_t(indexObject);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2811 if (index < 0 && PyErr_Occurred())
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2812 return NULL; /* not an integer */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2813 /* clamp the index */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2814 if (index < 0)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2815 index = 0;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2816 else if (index > n-1)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2817 index = n-1;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2818 lz->indices[i] = index;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2819 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2820 result = PyTuple_New(lz->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2821 if (result == NULL)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2822 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2823 for (i=0; i<lz->r; i++) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2824 PyObject *element = PyTuple_GET_ITEM(lz->pool, lz->indices[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2825 Py_INCREF(element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2826 PyTuple_SET_ITEM(result, i, element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2827 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2828 Py_CLEAR(lz->result);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2829 lz->result = result;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2830 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2831 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2832
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2833 static PyMethodDef cwr_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2834 {"__reduce__", (PyCFunction)cwr_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2835 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2836 {"__setstate__", (PyCFunction)cwr_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2837 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2838 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2839 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2840
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2841 PyDoc_STRVAR(cwr_doc,
57344
a790f84fbafa Fix docstrings for itertools combinatoric functions.
Raymond Hettinger <python@rcn.com>
parents: 57042
diff changeset
2842 "combinations_with_replacement(iterable, r) --> combinations_with_replacement object\n\
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2843 \n\
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2844 Return successive r-length combinations of elements in the iterable\n\
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2845 allowing individual elements to have successive repeats.\n\
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2846 combinations_with_replacement('ABC', 2) --> AA AB AC BB BC CC");
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2847
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2848 static PyTypeObject cwr_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2849 PyVarObject_HEAD_INIT(NULL, 0)
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2850 "itertools.combinations_with_replacement", /* tp_name */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2851 sizeof(cwrobject), /* tp_basicsize */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2852 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2853 /* methods */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2854 (destructor)cwr_dealloc, /* tp_dealloc */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2855 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2856 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2857 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2858 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2859 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2860 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2861 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2862 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2863 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2864 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2865 0, /* tp_str */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2866 PyObject_GenericGetAttr, /* tp_getattro */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2867 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2868 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2869 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2870 Py_TPFLAGS_BASETYPE, /* tp_flags */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2871 cwr_doc, /* tp_doc */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2872 (traverseproc)cwr_traverse, /* tp_traverse */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2873 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2874 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2875 0, /* tp_weaklistoffset */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2876 PyObject_SelfIter, /* tp_iter */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2877 (iternextfunc)cwr_next, /* tp_iternext */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2878 cwr_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2879 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2880 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2881 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2882 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2883 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2884 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2885 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2886 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2887 0, /* tp_alloc */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2888 cwr_new, /* tp_new */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
2889 PyObject_GC_Del, /* tp_free */
51100
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2890 };
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2891
4005011d3a09 Forward port r69001: itertools.combinations_with_replacement().
Raymond Hettinger <python@rcn.com>
parents: 51063
diff changeset
2892
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2893 /* permutations object ************************************************************
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2894
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2895 def permutations(iterable, r=None):
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2896 'permutations(range(3), 2) --> (0,1) (0,2) (1,0) (1,2) (2,0) (2,1)'
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2897 pool = tuple(iterable)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2898 n = len(pool)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2899 r = n if r is None else r
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2900 indices = range(n)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2901 cycles = range(n-r+1, n+1)[::-1]
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2902 yield tuple(pool[i] for i in indices[:r])
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2903 while n:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2904 for i in reversed(range(r)):
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2905 cycles[i] -= 1
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2906 if cycles[i] == 0:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2907 indices[i:] = indices[i+1:] + indices[i:i+1]
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2908 cycles[i] = n - i
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2909 else:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2910 j = cycles[i]
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2911 indices[i], indices[-j] = indices[-j], indices[i]
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2912 yield tuple(pool[i] for i in indices[:r])
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2913 break
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2914 else:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2915 return
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2916 */
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2917
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2918 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2919 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2920 PyObject *pool; /* input converted to a tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2921 Py_ssize_t *indices; /* one index per element in the pool */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2922 Py_ssize_t *cycles; /* one rollover counter per element in the result */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2923 PyObject *result; /* most recently returned result tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2924 Py_ssize_t r; /* size of result tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2925 int stopped; /* set to 1 when the permutations iterator is exhausted */
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2926 } permutationsobject;
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2927
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2928 static PyTypeObject permutations_type;
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2929
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2930 static PyObject *
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2931 permutations_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2932 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2933 permutationsobject *po;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2934 Py_ssize_t n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2935 Py_ssize_t r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2936 PyObject *robj = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2937 PyObject *pool = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2938 PyObject *iterable = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2939 Py_ssize_t *indices = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2940 Py_ssize_t *cycles = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2941 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2942 static char *kwargs[] = {"iterable", "r", NULL};
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2943
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2944 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|O:permutations", kwargs,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2945 &iterable, &robj))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2946 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2947
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2948 pool = PySequence_Tuple(iterable);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2949 if (pool == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2950 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2951 n = PyTuple_GET_SIZE(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2952
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2953 r = n;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2954 if (robj != Py_None) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2955 if (!PyLong_Check(robj)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2956 PyErr_SetString(PyExc_TypeError, "Expected int as r");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2957 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2958 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2959 r = PyLong_AsSsize_t(robj);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2960 if (r == -1 && PyErr_Occurred())
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2961 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2962 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2963 if (r < 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2964 PyErr_SetString(PyExc_ValueError, "r must be non-negative");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2965 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2966 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2967
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2968 indices = PyMem_Malloc(n * sizeof(Py_ssize_t));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2969 cycles = PyMem_Malloc(r * sizeof(Py_ssize_t));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2970 if (indices == NULL || cycles == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2971 PyErr_NoMemory();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2972 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2973 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2974
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2975 for (i=0 ; i<n ; i++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2976 indices[i] = i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2977 for (i=0 ; i<r ; i++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2978 cycles[i] = n - i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2979
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2980 /* create permutationsobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2981 po = (permutationsobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2982 if (po == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2983 goto error;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2984
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2985 po->pool = pool;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2986 po->indices = indices;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2987 po->cycles = cycles;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2988 po->result = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2989 po->r = r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2990 po->stopped = r > n ? 1 : 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2991
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2992 return (PyObject *)po;
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2993
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
2994 error:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2995 if (indices != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2996 PyMem_Free(indices);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2997 if (cycles != NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2998 PyMem_Free(cycles);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
2999 Py_XDECREF(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3000 return NULL;
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3001 }
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3002
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3003 static void
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3004 permutations_dealloc(permutationsobject *po)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3005 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3006 PyObject_GC_UnTrack(po);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3007 Py_XDECREF(po->pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3008 Py_XDECREF(po->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3009 PyMem_Free(po->indices);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3010 PyMem_Free(po->cycles);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3011 Py_TYPE(po)->tp_free(po);
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3012 }
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3013
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3014 static int
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3015 permutations_traverse(permutationsobject *po, visitproc visit, void *arg)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3016 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3017 Py_VISIT(po->pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3018 Py_VISIT(po->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3019 return 0;
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3020 }
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3021
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3022 static PyObject *
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3023 permutations_next(permutationsobject *po)
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3024 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3025 PyObject *elem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3026 PyObject *oldelem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3027 PyObject *pool = po->pool;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3028 Py_ssize_t *indices = po->indices;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3029 Py_ssize_t *cycles = po->cycles;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3030 PyObject *result = po->result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3031 Py_ssize_t n = PyTuple_GET_SIZE(pool);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3032 Py_ssize_t r = po->r;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3033 Py_ssize_t i, j, k, index;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3034
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3035 if (po->stopped)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3036 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3037
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3038 if (result == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3039 /* On the first pass, initialize result tuple using the indices */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3040 result = PyTuple_New(r);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3041 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3042 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3043 po->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3044 for (i=0; i<r ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3045 index = indices[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3046 elem = PyTuple_GET_ITEM(pool, index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3047 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3048 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3049 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3050 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3051 if (n == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3052 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3053
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3054 /* Copy the previous result tuple or re-use it if available */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3055 if (Py_REFCNT(result) > 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3056 PyObject *old_result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3057 result = PyTuple_New(r);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3058 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3059 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3060 po->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3061 for (i=0; i<r ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3062 elem = PyTuple_GET_ITEM(old_result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3063 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3064 PyTuple_SET_ITEM(result, i, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3065 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3066 Py_DECREF(old_result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3067 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3068 /* Now, we've got the only copy so we can update it in-place */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3069 assert(r == 0 || Py_REFCNT(result) == 1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3070
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3071 /* Decrement rightmost cycle, moving leftward upon zero rollover */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3072 for (i=r-1 ; i>=0 ; i--) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3073 cycles[i] -= 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3074 if (cycles[i] == 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3075 /* rotatation: indices[i:] = indices[i+1:] + indices[i:i+1] */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3076 index = indices[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3077 for (j=i ; j<n-1 ; j++)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3078 indices[j] = indices[j+1];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3079 indices[n-1] = index;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3080 cycles[i] = n - i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3081 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3082 j = cycles[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3083 index = indices[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3084 indices[i] = indices[n-j];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3085 indices[n-j] = index;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3086
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3087 for (k=i; k<r ; k++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3088 /* start with i, the leftmost element that changed */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3089 /* yield tuple(pool[k] for k in indices[:r]) */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3090 index = indices[k];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3091 elem = PyTuple_GET_ITEM(pool, index);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3092 Py_INCREF(elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3093 oldelem = PyTuple_GET_ITEM(result, k);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3094 PyTuple_SET_ITEM(result, k, elem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3095 Py_DECREF(oldelem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3096 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3097 break;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3098 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3099 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3100 /* If i is negative, then the cycles have all
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3101 rolled-over and we're done. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3102 if (i < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3103 goto empty;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3104 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3105 Py_INCREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3106 return result;
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3107
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3108 empty:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3109 po->stopped = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3110 return NULL;
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3111 }
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3112
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3113 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3114 permutations_reduce(permutationsobject *po)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3115 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3116 if (po->result == NULL) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3117 return Py_BuildValue("O(On)", Py_TYPE(po), po->pool, po->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3118 } else if (po->stopped) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3119 return Py_BuildValue("O(()n)", Py_TYPE(po), po->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3120 } else {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3121 PyObject *indices=NULL, *cycles=NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3122 Py_ssize_t n, i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3123
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3124 /* we must pickle the indices and cycles and use them for setstate */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3125 n = PyTuple_GET_SIZE(po->pool);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3126 indices = PyTuple_New(n);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3127 if (indices == NULL)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3128 goto err;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3129 for (i=0; i<n; i++){
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3130 PyObject* index = PyLong_FromSsize_t(po->indices[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3131 if (!index)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3132 goto err;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3133 PyTuple_SET_ITEM(indices, i, index);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3134 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3135
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3136 cycles = PyTuple_New(po->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3137 if (cycles == NULL)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3138 goto err;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3139 for (i=0; i<po->r; i++)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3140 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3141 PyObject* index = PyLong_FromSsize_t(po->cycles[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3142 if (!index)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3143 goto err;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3144 PyTuple_SET_ITEM(cycles, i, index);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3145 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3146 return Py_BuildValue("O(On)(NN)", Py_TYPE(po),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3147 po->pool, po->r,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3148 indices, cycles);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3149 err:
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3150 Py_XDECREF(indices);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3151 Py_XDECREF(cycles);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3152 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3153 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3154 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3155
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3156 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3157 permutations_setstate(permutationsobject *po, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3158 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3159 PyObject *indices, *cycles, *result;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3160 Py_ssize_t n, i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3161
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3162 if (!PyArg_ParseTuple(state, "O!O!",
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3163 &PyTuple_Type, &indices,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3164 &PyTuple_Type, &cycles))
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3165 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3166
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3167 n = PyTuple_GET_SIZE(po->pool);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3168 if (PyTuple_GET_SIZE(indices) != n ||
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3169 PyTuple_GET_SIZE(cycles) != po->r)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3170 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3171 PyErr_SetString(PyExc_ValueError, "invalid arguments");
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3172 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3173 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3174
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3175 for (i=0; i<n; i++)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3176 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3177 PyObject* indexObject = PyTuple_GET_ITEM(indices, i);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3178 Py_ssize_t index = PyLong_AsSsize_t(indexObject);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3179 if (index < 0 && PyErr_Occurred())
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3180 return NULL; /* not an integer */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3181 /* clamp the index */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3182 if (index < 0)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3183 index = 0;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3184 else if (index > n-1)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3185 index = n-1;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3186 po->indices[i] = index;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3187 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3188
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3189 for (i=0; i<po->r; i++)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3190 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3191 PyObject* indexObject = PyTuple_GET_ITEM(cycles, i);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3192 Py_ssize_t index = PyLong_AsSsize_t(indexObject);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3193 if (index < 0 && PyErr_Occurred())
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3194 return NULL; /* not an integer */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3195 if (index < 1)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3196 index = 1;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3197 else if (index > n-i)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3198 index = n-i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3199 po->cycles[i] = index;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3200 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3201 result = PyTuple_New(po->r);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3202 if (result == NULL)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3203 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3204 for (i=0; i<po->r; i++) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3205 PyObject *element = PyTuple_GET_ITEM(po->pool, po->indices[i]);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3206 Py_INCREF(element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3207 PyTuple_SET_ITEM(result, i, element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3208 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3209 Py_CLEAR(po->result);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3210 po->result = result;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3211 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3212 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3213
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3214 static PyMethodDef permuations_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3215 {"__reduce__", (PyCFunction)permutations_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3216 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3217 {"__setstate__", (PyCFunction)permutations_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3218 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3219 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3220 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3221
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3222 PyDoc_STRVAR(permutations_doc,
47555
7d824fd131ad Merged revisions 63829-63831,63858,63865,63879,63882,63948,63970-63972,63976,63989,64014-64015,64021-64022,64063-64065,64067 via svnmerge from
Georg Brandl <georg@python.org>
parents: 46238
diff changeset
3223 "permutations(iterable[, r]) --> permutations object\n\
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3224 \n\
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3225 Return successive r-length permutations of elements in the iterable.\n\n\
47555
7d824fd131ad Merged revisions 63829-63831,63858,63865,63879,63882,63948,63970-63972,63976,63989,64014-64015,64021-64022,64063-64065,64067 via svnmerge from
Georg Brandl <georg@python.org>
parents: 46238
diff changeset
3226 permutations(range(3), 2) --> (0,1), (0,2), (1,0), (1,2), (2,0), (2,1)");
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3227
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3228 static PyTypeObject permutations_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3229 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3230 "itertools.permutations", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3231 sizeof(permutationsobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3232 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3233 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3234 (destructor)permutations_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3235 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3236 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3237 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3238 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3239 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3240 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3241 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3242 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3243 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3244 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3245 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3246 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3247 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3248 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3249 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3250 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3251 permutations_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3252 (traverseproc)permutations_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3253 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3254 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3255 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3256 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3257 (iternextfunc)permutations_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3258 permuations_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3259 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3260 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3261 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3262 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3263 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3264 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3265 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3266 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3267 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3268 permutations_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3269 PyObject_GC_Del, /* tp_free */
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3270 };
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3271
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3272 /* accumulate object ************************************************************/
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3273
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3274 typedef struct {
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3275 PyObject_HEAD
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3276 PyObject *total;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3277 PyObject *it;
69021
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3278 PyObject *binop;
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3279 } accumulateobject;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3280
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3281 static PyTypeObject accumulate_type;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3282
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3283 static PyObject *
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3284 accumulate_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3285 {
69021
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3286 static char *kwargs[] = {"iterable", "func", NULL};
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3287 PyObject *iterable;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3288 PyObject *it;
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3289 PyObject *binop = Py_None;
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3290 accumulateobject *lz;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3291
69021
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3292 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|O:accumulate",
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3293 kwargs, &iterable, &binop))
66619
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3294 return NULL;
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3295
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3296 /* Get iterator. */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3297 it = PyObject_GetIter(iterable);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3298 if (it == NULL)
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3299 return NULL;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3300
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3301 /* create accumulateobject structure */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3302 lz = (accumulateobject *)type->tp_alloc(type, 0);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3303 if (lz == NULL) {
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3304 Py_DECREF(it);
66619
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3305 return NULL;
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3306 }
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3307
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3308 if (binop != Py_None) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3309 Py_XINCREF(binop);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3310 lz->binop = binop;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3311 }
66619
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3312 lz->total = NULL;
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3313 lz->it = it;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3314 return (PyObject *)lz;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3315 }
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3316
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3317 static void
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3318 accumulate_dealloc(accumulateobject *lz)
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3319 {
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3320 PyObject_GC_UnTrack(lz);
69021
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3321 Py_XDECREF(lz->binop);
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3322 Py_XDECREF(lz->total);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3323 Py_XDECREF(lz->it);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3324 Py_TYPE(lz)->tp_free(lz);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3325 }
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3326
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3327 static int
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3328 accumulate_traverse(accumulateobject *lz, visitproc visit, void *arg)
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3329 {
69021
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3330 Py_VISIT(lz->binop);
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3331 Py_VISIT(lz->it);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3332 Py_VISIT(lz->total);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3333 return 0;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3334 }
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3335
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3336 static PyObject *
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3337 accumulate_next(accumulateobject *lz)
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3338 {
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3339 PyObject *val, *oldtotal, *newtotal;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3340
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3341 val = PyIter_Next(lz->it);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3342 if (val == NULL)
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3343 return NULL;
66619
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3344
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3345 if (lz->total == NULL) {
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3346 Py_INCREF(val);
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3347 lz->total = val;
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3348 return lz->total;
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3349 }
69021
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3350
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3351 if (lz->binop == NULL)
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3352 newtotal = PyNumber_Add(lz->total, val);
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3353 else
79ccefd30a37 Add optional *func* argument to itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66619
diff changeset
3354 newtotal = PyObject_CallFunctionObjArgs(lz->binop, lz->total, val, NULL);
66619
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3355 Py_DECREF(val);
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3356 if (newtotal == NULL)
66619
1098fab85e47 Simplify the signature for itertools.accumulate() to match numpy. Handle one item iterable the same way as min()/max().
Raymond Hettinger <python@rcn.com>
parents: 66589
diff changeset
3357 return NULL;
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3358
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3359 oldtotal = lz->total;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3360 lz->total = newtotal;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3361 Py_DECREF(oldtotal);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3362
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3363 Py_INCREF(newtotal);
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3364 return newtotal;
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3365 }
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3366
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3367 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3368 accumulate_reduce(accumulateobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3369 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3370 return Py_BuildValue("O(OO)O", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3371 lz->it, lz->binop?lz->binop:Py_None,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3372 lz->total?lz->total:Py_None);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3373 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3374
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3375 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3376 accumulate_setstate(accumulateobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3377 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3378 Py_CLEAR(lz->total);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3379 lz->total = state;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3380 Py_INCREF(lz->total);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3381 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3382 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3383
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3384 static PyMethodDef accumulate_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3385 {"__reduce__", (PyCFunction)accumulate_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3386 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3387 {"__setstate__", (PyCFunction)accumulate_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3388 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3389 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3390 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3391
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3392 PyDoc_STRVAR(accumulate_doc,
69022
822c7c0d27d1 Update docstrings for itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 69021
diff changeset
3393 "accumulate(iterable[, func]) --> accumulate object\n\
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3394 \n\
69022
822c7c0d27d1 Update docstrings for itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 69021
diff changeset
3395 Return series of accumulated sums (or other binary function results).");
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3396
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3397 static PyTypeObject accumulate_type = {
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3398 PyVarObject_HEAD_INIT(NULL, 0)
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3399 "itertools.accumulate", /* tp_name */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3400 sizeof(accumulateobject), /* tp_basicsize */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3401 0, /* tp_itemsize */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3402 /* methods */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3403 (destructor)accumulate_dealloc, /* tp_dealloc */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3404 0, /* tp_print */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3405 0, /* tp_getattr */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3406 0, /* tp_setattr */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3407 0, /* tp_reserved */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3408 0, /* tp_repr */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3409 0, /* tp_as_number */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3410 0, /* tp_as_sequence */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3411 0, /* tp_as_mapping */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3412 0, /* tp_hash */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3413 0, /* tp_call */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3414 0, /* tp_str */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3415 PyObject_GenericGetAttr, /* tp_getattro */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3416 0, /* tp_setattro */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3417 0, /* tp_as_buffer */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3418 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3419 Py_TPFLAGS_BASETYPE, /* tp_flags */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3420 accumulate_doc, /* tp_doc */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3421 (traverseproc)accumulate_traverse, /* tp_traverse */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3422 0, /* tp_clear */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3423 0, /* tp_richcompare */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3424 0, /* tp_weaklistoffset */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3425 PyObject_SelfIter, /* tp_iter */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3426 (iternextfunc)accumulate_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3427 accumulate_methods, /* tp_methods */
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3428 0, /* tp_members */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3429 0, /* tp_getset */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3430 0, /* tp_base */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3431 0, /* tp_dict */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3432 0, /* tp_descr_get */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3433 0, /* tp_descr_set */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3434 0, /* tp_dictoffset */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3435 0, /* tp_init */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3436 0, /* tp_alloc */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3437 accumulate_new, /* tp_new */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3438 PyObject_GC_Del, /* tp_free */
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3439 };
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
3440
45773
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45738
diff changeset
3441
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3442 /* compress object ************************************************************/
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3443
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3444 /* Equivalent to:
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3445
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3446 def compress(data, selectors):
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3447 "compress('ABCDEF', [1,0,1,0,1,1]) --> A C E F"
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3448 return (d for d, s in zip(data, selectors) if s)
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3449 */
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3450
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3451 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3452 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3453 PyObject *data;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3454 PyObject *selectors;
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3455 } compressobject;
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3456
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3457 static PyTypeObject compress_type;
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3458
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3459 static PyObject *
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3460 compress_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3461 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3462 PyObject *seq1, *seq2;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3463 PyObject *data=NULL, *selectors=NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3464 compressobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3465 static char *kwargs[] = {"data", "selectors", NULL};
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3467 if (!PyArg_ParseTupleAndKeywords(args, kwds, "OO:compress", kwargs, &seq1, &seq2))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3468 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3469
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3470 data = PyObject_GetIter(seq1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3471 if (data == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3472 goto fail;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3473 selectors = PyObject_GetIter(seq2);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3474 if (selectors == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3475 goto fail;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3476
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3477 /* create compressobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3478 lz = (compressobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3479 if (lz == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3480 goto fail;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3481 lz->data = data;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3482 lz->selectors = selectors;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3483 return (PyObject *)lz;
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3484
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3485 fail:
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3486 Py_XDECREF(data);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3487 Py_XDECREF(selectors);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3488 return NULL;
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3489 }
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3490
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3491 static void
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3492 compress_dealloc(compressobject *lz)
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3493 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3494 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3495 Py_XDECREF(lz->data);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3496 Py_XDECREF(lz->selectors);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3497 Py_TYPE(lz)->tp_free(lz);
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3498 }
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3499
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3500 static int
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3501 compress_traverse(compressobject *lz, visitproc visit, void *arg)
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3502 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3503 Py_VISIT(lz->data);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3504 Py_VISIT(lz->selectors);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3505 return 0;
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3506 }
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3507
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3508 static PyObject *
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3509 compress_next(compressobject *lz)
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3510 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3511 PyObject *data = lz->data, *selectors = lz->selectors;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3512 PyObject *datum, *selector;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3513 PyObject *(*datanext)(PyObject *) = *Py_TYPE(data)->tp_iternext;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3514 PyObject *(*selectornext)(PyObject *) = *Py_TYPE(selectors)->tp_iternext;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3515 int ok;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3516
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3517 while (1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3518 /* Steps: get datum, get selector, evaluate selector.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3519 Order is important (to match the pure python version
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3520 in terms of which input gets a chance to raise an
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3521 exception first).
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3522 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3523
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3524 datum = datanext(data);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3525 if (datum == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3526 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3527
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3528 selector = selectornext(selectors);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3529 if (selector == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3530 Py_DECREF(datum);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3531 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3532 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3533
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3534 ok = PyObject_IsTrue(selector);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3535 Py_DECREF(selector);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3536 if (ok == 1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3537 return datum;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3538 Py_DECREF(datum);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3539 if (ok == -1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3540 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3541 }
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3542 }
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3543
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3544 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3545 compress_reduce(compressobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3546 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3547 return Py_BuildValue("O(OO)", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3548 lz->data, lz->selectors);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3549 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3550
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3551 static PyMethodDef compress_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3552 {"__reduce__", (PyCFunction)compress_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3553 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3554 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3555 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3556
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3557 PyDoc_STRVAR(compress_doc,
51717
e260d6daf784 Add keyword arg support to itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 51666
diff changeset
3558 "compress(data, selectors) --> iterator over selected data\n\
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3559 \n\
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3560 Return data elements corresponding to true selector elements.\n\
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3561 Forms a shorter iterator from selected data elements using the\n\
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3562 selectors to choose the data elements.");
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3563
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3564 static PyTypeObject compress_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3565 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3566 "itertools.compress", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3567 sizeof(compressobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3568 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3569 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3570 (destructor)compress_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3571 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3572 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3573 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3574 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3575 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3576 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3577 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3578 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3579 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3580 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3581 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3582 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3583 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3584 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3585 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3586 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3587 compress_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3588 (traverseproc)compress_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3589 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3590 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3591 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3592 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3593 (iternextfunc)compress_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3594 compress_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3595 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3596 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3597 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3598 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3599 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3600 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3601 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3602 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3603 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3604 compress_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3605 PyObject_GC_Del, /* tp_free */
51063
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3606 };
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3607
ad1db0ae98c6 Forward port r68941 adding itertools.compress().
Raymond Hettinger <python@rcn.com>
parents: 50755
diff changeset
3608
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3609 /* filterfalse object ************************************************************/
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3610
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3611 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3612 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3613 PyObject *func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3614 PyObject *it;
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3615 } filterfalseobject;
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3616
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3617 static PyTypeObject filterfalse_type;
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3618
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3619 static PyObject *
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3620 filterfalse_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3621 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3622 PyObject *func, *seq;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3623 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3624 filterfalseobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3625
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3626 if (type == &filterfalse_type &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3627 !_PyArg_NoKeywords("filterfalse()", kwds))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3628 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3629
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3630 if (!PyArg_UnpackTuple(args, "filterfalse", 2, 2, &func, &seq))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3631 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3632
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3633 /* Get iterator. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3634 it = PyObject_GetIter(seq);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3635 if (it == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3636 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3637
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3638 /* create filterfalseobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3639 lz = (filterfalseobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3640 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3641 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3642 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3643 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3644 Py_INCREF(func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3645 lz->func = func;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3646 lz->it = it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3647
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3648 return (PyObject *)lz;
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3649 }
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3650
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3651 static void
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3652 filterfalse_dealloc(filterfalseobject *lz)
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3653 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3654 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3655 Py_XDECREF(lz->func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3656 Py_XDECREF(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3657 Py_TYPE(lz)->tp_free(lz);
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3658 }
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3659
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3660 static int
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3661 filterfalse_traverse(filterfalseobject *lz, visitproc visit, void *arg)
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3662 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3663 Py_VISIT(lz->it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3664 Py_VISIT(lz->func);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3665 return 0;
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3666 }
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3667
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3668 static PyObject *
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3669 filterfalse_next(filterfalseobject *lz)
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3670 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3671 PyObject *item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3672 PyObject *it = lz->it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3673 long ok;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3674 PyObject *(*iternext)(PyObject *);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3675
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3676 iternext = *Py_TYPE(it)->tp_iternext;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3677 for (;;) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3678 item = iternext(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3679 if (item == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3680 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3681
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3682 if (lz->func == Py_None || lz->func == (PyObject *)&PyBool_Type) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3683 ok = PyObject_IsTrue(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3684 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3685 PyObject *good;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3686 good = PyObject_CallFunctionObjArgs(lz->func,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3687 item, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3688 if (good == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3689 Py_DECREF(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3690 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3691 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3692 ok = PyObject_IsTrue(good);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3693 Py_DECREF(good);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3694 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3695 if (!ok)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3696 return item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3697 Py_DECREF(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3698 }
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3699 }
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3700
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3701 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3702 filterfalse_reduce(filterfalseobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3703 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3704 return Py_BuildValue("O(OO)", Py_TYPE(lz),
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3705 lz->func, lz->it);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3706 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3707
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3708 static PyMethodDef filterfalse_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3709 {"__reduce__", (PyCFunction)filterfalse_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3710 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3711 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3712 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3713
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3714 PyDoc_STRVAR(filterfalse_doc,
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3715 "filterfalse(function or None, sequence) --> filterfalse object\n\
27769
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3716 \n\
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3717 Return those items of sequence for which function(item) is false.\n\
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3718 If function is None, return the items that are false.");
dc5e1d918055 C Code:
Raymond Hettinger <python@rcn.com>
parents: 27748
diff changeset
3719
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
3720 static PyTypeObject filterfalse_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3721 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3722 "itertools.filterfalse", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3723 sizeof(filterfalseobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3724 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3725 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3726 (destructor)filterfalse_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3727 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3728 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3729 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3730 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3731 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3732 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3733 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3734 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3735 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3736 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3737 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3738 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3739 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3740 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3741 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3742 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3743 filterfalse_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3744 (traverseproc)filterfalse_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3745 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3746 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3747 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3748 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3749 (iternextfunc)filterfalse_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3750 filterfalse_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3751 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3752 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3753 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3754 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3755 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3756 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3757 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3758 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3759 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3760 filterfalse_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3761 PyObject_GC_Del, /* tp_free */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3762 };
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3763
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3764
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3765 /* count object ************************************************************/
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3766
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3767 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3768 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3769 Py_ssize_t cnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3770 PyObject *long_cnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3771 PyObject *long_step;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3772 } countobject;
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3773
51542
b0db109089c9 Issue 5032: added a step argument to itertools.count() and allowed non-integer arguments.
Raymond Hettinger <python@rcn.com>
parents: 51503
diff changeset
3774 /* Counting logic and invariants:
b0db109089c9 Issue 5032: added a step argument to itertools.count() and allowed non-integer arguments.
Raymond Hettinger <python@rcn.com>
parents: 51503
diff changeset
3775
51778
aa29d0967105 Port r69837: Fix keyword arguments for itertools.count(). Step arg without a start arg was ignored.
Raymond Hettinger <python@rcn.com>
parents: 51719
diff changeset
3776 fast_mode: when cnt an integer < PY_SSIZE_T_MAX and no step is specified.
51542
b0db109089c9 Issue 5032: added a step argument to itertools.count() and allowed non-integer arguments.
Raymond Hettinger <python@rcn.com>
parents: 51503
diff changeset
3777
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3778 assert(cnt != PY_SSIZE_T_MAX && long_cnt == NULL && long_step==PyInt(1));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3779 Advances with: cnt += 1
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3780 When count hits Y_SSIZE_T_MAX, switch to slow_mode.
51778
aa29d0967105 Port r69837: Fix keyword arguments for itertools.count(). Step arg without a start arg was ignored.
Raymond Hettinger <python@rcn.com>
parents: 51719
diff changeset
3781
aa29d0967105 Port r69837: Fix keyword arguments for itertools.count(). Step arg without a start arg was ignored.
Raymond Hettinger <python@rcn.com>
parents: 51719
diff changeset
3782 slow_mode: when cnt == PY_SSIZE_T_MAX, step is not int(1), or cnt is a float.
51542
b0db109089c9 Issue 5032: added a step argument to itertools.count() and allowed non-integer arguments.
Raymond Hettinger <python@rcn.com>
parents: 51503
diff changeset
3783
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3784 assert(cnt == PY_SSIZE_T_MAX && long_cnt != NULL && long_step != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3785 All counting is done with python objects (no overflows or underflows).
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3786 Advances with: long_cnt += long_step
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3787 Step may be zero -- effectively a slow version of repeat(cnt).
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3788 Either long_cnt or long_step may be a float, Fraction, or Decimal.
51542
b0db109089c9 Issue 5032: added a step argument to itertools.count() and allowed non-integer arguments.
Raymond Hettinger <python@rcn.com>
parents: 51503
diff changeset
3789 */
b0db109089c9 Issue 5032: added a step argument to itertools.count() and allowed non-integer arguments.
Raymond Hettinger <python@rcn.com>
parents: 51503
diff changeset
3790
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
3791 static PyTypeObject count_type;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3792
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3793 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3794 count_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3795 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3796 countobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3797 int slow_mode = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3798 Py_ssize_t cnt = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3799 PyObject *long_cnt = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3800 PyObject *long_step = NULL;
69062
9a6da9bc257d Bugfix: Properly test for errors from PyLong_AsLong() in itertools.cycle.
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 66546
diff changeset
3801 long step;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3802 static char *kwlist[] = {"start", "step", 0};
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3803
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3804 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|OO:count",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3805 kwlist, &long_cnt, &long_step))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3806 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3807
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3808 if ((long_cnt != NULL && !PyNumber_Check(long_cnt)) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3809 (long_step != NULL && !PyNumber_Check(long_step))) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3810 PyErr_SetString(PyExc_TypeError, "a number is required");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3811 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3812 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3813
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3814 if (long_cnt != NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3815 cnt = PyLong_AsSsize_t(long_cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3816 if ((cnt == -1 && PyErr_Occurred()) || !PyLong_Check(long_cnt)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3817 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3818 slow_mode = 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3819 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3820 Py_INCREF(long_cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3821 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3822 cnt = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3823 long_cnt = PyLong_FromLong(0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3824 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3825
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3826 /* If not specified, step defaults to 1 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3827 if (long_step == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3828 long_step = PyLong_FromLong(1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3829 if (long_step == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3830 Py_DECREF(long_cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3831 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3832 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3833 } else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3834 Py_INCREF(long_step);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3835
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3836 assert(long_cnt != NULL && long_step != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3837
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3838 /* Fast mode only works when the step is 1 */
69062
9a6da9bc257d Bugfix: Properly test for errors from PyLong_AsLong() in itertools.cycle.
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 66546
diff changeset
3839 step = PyLong_AsLong(long_step);
9a6da9bc257d Bugfix: Properly test for errors from PyLong_AsLong() in itertools.cycle.
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 66546
diff changeset
3840 if (step != 1) {
9a6da9bc257d Bugfix: Properly test for errors from PyLong_AsLong() in itertools.cycle.
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 66546
diff changeset
3841 slow_mode = 1;
9a6da9bc257d Bugfix: Properly test for errors from PyLong_AsLong() in itertools.cycle.
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 66546
diff changeset
3842 if (step == -1 && PyErr_Occurred())
9a6da9bc257d Bugfix: Properly test for errors from PyLong_AsLong() in itertools.cycle.
Kristjan Valur Jonsson <sweskman@gmail.com>
parents: 66546
diff changeset
3843 PyErr_Clear();
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3844 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3845
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3846 if (slow_mode)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3847 cnt = PY_SSIZE_T_MAX;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3848 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3849 Py_CLEAR(long_cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3850
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3851 assert((cnt != PY_SSIZE_T_MAX && long_cnt == NULL && !slow_mode) ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3852 (cnt == PY_SSIZE_T_MAX && long_cnt != NULL && slow_mode));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3853 assert(slow_mode ||
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3854 (PyLong_Check(long_step) && PyLong_AS_LONG(long_step) == 1));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3855
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3856 /* create countobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3857 lz = (countobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3858 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3859 Py_XDECREF(long_cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3860 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3861 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3862 lz->cnt = cnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3863 lz->long_cnt = long_cnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3864 lz->long_step = long_step;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3865
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3866 return (PyObject *)lz;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3867 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3868
43734
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3869 static void
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3870 count_dealloc(countobject *lz)
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3871 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3872 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3873 Py_XDECREF(lz->long_cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3874 Py_XDECREF(lz->long_step);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3875 Py_TYPE(lz)->tp_free(lz);
51661
003e00797e91 Add GC support to count() objects.
Raymond Hettinger <python@rcn.com>
parents: 51624
diff changeset
3876 }
003e00797e91 Add GC support to count() objects.
Raymond Hettinger <python@rcn.com>
parents: 51624
diff changeset
3877
51666
f308953c701f Merged revisions 69688,69690 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 51661
diff changeset
3878 static int
51661
003e00797e91 Add GC support to count() objects.
Raymond Hettinger <python@rcn.com>
parents: 51624
diff changeset
3879 count_traverse(countobject *lz, visitproc visit, void *arg)
003e00797e91 Add GC support to count() objects.
Raymond Hettinger <python@rcn.com>
parents: 51624
diff changeset
3880 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3881 Py_VISIT(lz->long_cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3882 Py_VISIT(lz->long_step);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3883 return 0;
43734
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3884 }
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3885
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3886 static PyObject *
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3887 count_nextlong(countobject *lz)
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3888 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3889 PyObject *long_cnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3890 PyObject *stepped_up;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3891
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3892 long_cnt = lz->long_cnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3893 if (long_cnt == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3894 /* Switch to slow_mode */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3895 long_cnt = PyLong_FromSsize_t(PY_SSIZE_T_MAX);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3896 if (long_cnt == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3897 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3898 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3899 assert(lz->cnt == PY_SSIZE_T_MAX && long_cnt != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3900
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3901 stepped_up = PyNumber_Add(long_cnt, lz->long_step);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3902 if (stepped_up == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3903 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3904 lz->long_cnt = stepped_up;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3905 return long_cnt;
43734
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3906 }
3e5edf19d5f0 Merged revisions 58221-58741 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
3907
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3908 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3909 count_next(countobject *lz)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3910 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3911 if (lz->cnt == PY_SSIZE_T_MAX)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3912 return count_nextlong(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3913 return PyLong_FromSsize_t(lz->cnt++);
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3914 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3915
31890
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
3916 static PyObject *
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
3917 count_repr(countobject *lz)
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
3918 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3919 if (lz->cnt != PY_SSIZE_T_MAX)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3920 return PyUnicode_FromFormat("count(%zd)", lz->cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3921
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3922 if (PyLong_Check(lz->long_step)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3923 long step = PyLong_AsLong(lz->long_step);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3924 if (step == -1 && PyErr_Occurred()) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3925 PyErr_Clear();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3926 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3927 if (step == 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3928 /* Don't display step when it is an integer equal to 1 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3929 return PyUnicode_FromFormat("count(%R)", lz->long_cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3930 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3931 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3932 return PyUnicode_FromFormat("count(%R, %R)",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3933 lz->long_cnt, lz->long_step);
31890
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
3934 }
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
3935
57525
0a6137944e61 Issue #7410: deepcopy of itertools.count was resetting the count.
Raymond Hettinger <python@rcn.com>
parents: 57344
diff changeset
3936 static PyObject *
0a6137944e61 Issue #7410: deepcopy of itertools.count was resetting the count.
Raymond Hettinger <python@rcn.com>
parents: 57344
diff changeset
3937 count_reduce(countobject *lz)
0a6137944e61 Issue #7410: deepcopy of itertools.count was resetting the count.
Raymond Hettinger <python@rcn.com>
parents: 57344
diff changeset
3938 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3939 if (lz->cnt == PY_SSIZE_T_MAX)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3940 return Py_BuildValue("O(OO)", Py_TYPE(lz), lz->long_cnt, lz->long_step);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3941 return Py_BuildValue("O(n)", Py_TYPE(lz), lz->cnt);
57525
0a6137944e61 Issue #7410: deepcopy of itertools.count was resetting the count.
Raymond Hettinger <python@rcn.com>
parents: 57344
diff changeset
3942 }
0a6137944e61 Issue #7410: deepcopy of itertools.count was resetting the count.
Raymond Hettinger <python@rcn.com>
parents: 57344
diff changeset
3943
0a6137944e61 Issue #7410: deepcopy of itertools.count was resetting the count.
Raymond Hettinger <python@rcn.com>
parents: 57344
diff changeset
3944 static PyMethodDef count_methods[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3945 {"__reduce__", (PyCFunction)count_reduce, METH_NOARGS,
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
3946 reduce_doc},
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3947 {NULL, NULL} /* sentinel */
57525
0a6137944e61 Issue #7410: deepcopy of itertools.count was resetting the count.
Raymond Hettinger <python@rcn.com>
parents: 57344
diff changeset
3948 };
0a6137944e61 Issue #7410: deepcopy of itertools.count was resetting the count.
Raymond Hettinger <python@rcn.com>
parents: 57344
diff changeset
3949
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3950 PyDoc_STRVAR(count_doc,
62239
8319ca0d5434 Merged revisions 81889 via svnmerge from
Ezio Melotti <ezio.melotti@gmail.com>
parents: 61466
diff changeset
3951 "count(start=0, step=1) --> count object\n\
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3952 \n\
51778
aa29d0967105 Port r69837: Fix keyword arguments for itertools.count(). Step arg without a start arg was ignored.
Raymond Hettinger <python@rcn.com>
parents: 51719
diff changeset
3953 Return a count object whose .__next__() method returns consecutive values.\n\
aa29d0967105 Port r69837: Fix keyword arguments for itertools.count(). Step arg without a start arg was ignored.
Raymond Hettinger <python@rcn.com>
parents: 51719
diff changeset
3954 Equivalent to:\n\n\
51542
b0db109089c9 Issue 5032: added a step argument to itertools.count() and allowed non-integer arguments.
Raymond Hettinger <python@rcn.com>
parents: 51503
diff changeset
3955 def count(firstval=0, step=1):\n\
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3956 x = firstval\n\
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3957 while 1:\n\
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3958 yield x\n\
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3959 x += step\n");
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3960
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
3961 static PyTypeObject count_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3962 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3963 "itertools.count", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3964 sizeof(countobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3965 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3966 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3967 (destructor)count_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3968 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3969 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3970 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3971 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3972 (reprfunc)count_repr, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3973 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3974 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3975 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3976 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3977 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3978 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3979 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3980 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3981 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3982 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3983 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3984 count_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3985 (traverseproc)count_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3986 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3987 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3988 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3989 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3990 (iternextfunc)count_next, /* tp_iternext */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3991 count_methods, /* tp_methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3992 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3993 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3994 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3995 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3996 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3997 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3998 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
3999 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4000 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4001 count_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4002 PyObject_GC_Del, /* tp_free */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4003 };
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4004
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4005
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4006 /* repeat object ************************************************************/
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4007
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4008 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4009 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4010 PyObject *element;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4011 Py_ssize_t cnt;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4012 } repeatobject;
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4013
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
4014 static PyTypeObject repeat_type;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4015
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4016 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4017 repeat_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4018 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4019 repeatobject *ro;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4020 PyObject *element;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4021 Py_ssize_t cnt = -1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4022 static char *kwargs[] = {"object", "times", NULL};
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4023
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4024 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|n:repeat", kwargs,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4025 &element, &cnt))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4026 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4027
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4028 if (PyTuple_Size(args) == 2 && cnt < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4029 cnt = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4030
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4031 ro = (repeatobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4032 if (ro == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4033 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4034 Py_INCREF(element);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4035 ro->element = element;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4036 ro->cnt = cnt;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4037 return (PyObject *)ro;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4038 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4039
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4040 static void
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4041 repeat_dealloc(repeatobject *ro)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4042 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4043 PyObject_GC_UnTrack(ro);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4044 Py_XDECREF(ro->element);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4045 Py_TYPE(ro)->tp_free(ro);
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4046 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4047
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4048 static int
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4049 repeat_traverse(repeatobject *ro, visitproc visit, void *arg)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4050 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4051 Py_VISIT(ro->element);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4052 return 0;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4053 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4054
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4055 static PyObject *
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4056 repeat_next(repeatobject *ro)
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4057 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4058 if (ro->cnt == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4059 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4060 if (ro->cnt > 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4061 ro->cnt--;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4062 Py_INCREF(ro->element);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4063 return ro->element;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4064 }
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4065
31890
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
4066 static PyObject *
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
4067 repeat_repr(repeatobject *ro)
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
4068 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4069 if (ro->cnt == -1)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4070 return PyUnicode_FromFormat("repeat(%R)", ro->element);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4071 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4072 return PyUnicode_FromFormat("repeat(%R, %zd)", ro->element, ro->cnt);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4073 }
31890
848bce2215d3 Provide more information representations of repeat() and count().
Raymond Hettinger <python@rcn.com>
parents: 31675
diff changeset
4074
35636
e22334b1da67 Convert iterator __len__() methods to a private API.
Raymond Hettinger <python@rcn.com>
parents: 35449
diff changeset
4075 static PyObject *
31501
14f860b03be2 Give itertools.repeat() a length method.
Raymond Hettinger <python@rcn.com>
parents: 31136
diff changeset
4076 repeat_len(repeatobject *ro)
14f860b03be2 Give itertools.repeat() a length method.
Raymond Hettinger <python@rcn.com>
parents: 31136
diff changeset
4077 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4078 if (ro->cnt == -1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4079 PyErr_SetString(PyExc_TypeError, "len() of unsized object");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4080 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4081 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4082 return PyLong_FromSize_t(ro->cnt);
31501
14f860b03be2 Give itertools.repeat() a length method.
Raymond Hettinger <python@rcn.com>
parents: 31136
diff changeset
4083 }
14f860b03be2 Give itertools.repeat() a length method.
Raymond Hettinger <python@rcn.com>
parents: 31136
diff changeset
4084
36484
20f75d5e79e9 Renamed _length_cue() to __length_hint__(). See:
Armin Rigo <arigo@tunes.org>
parents: 36324
diff changeset
4085 PyDoc_STRVAR(length_hint_doc, "Private method returning an estimate of len(list(it)).");
35636
e22334b1da67 Convert iterator __len__() methods to a private API.
Raymond Hettinger <python@rcn.com>
parents: 35449
diff changeset
4086
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4087 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4088 repeat_reduce(repeatobject *ro)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4089 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4090 /* unpickle this so that a new repeat iterator is constructed with an
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4091 * object, then call __setstate__ on it to set cnt
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4092 */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4093 if (ro->cnt >= 0)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4094 return Py_BuildValue("O(On)", Py_TYPE(ro), ro->element, ro->cnt);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4095 else
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4096 return Py_BuildValue("O(O)", Py_TYPE(ro), ro->element);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4097 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4098
35636
e22334b1da67 Convert iterator __len__() methods to a private API.
Raymond Hettinger <python@rcn.com>
parents: 35449
diff changeset
4099 static PyMethodDef repeat_methods[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4100 {"__length_hint__", (PyCFunction)repeat_len, METH_NOARGS, length_hint_doc},
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4101 {"__reduce__", (PyCFunction)repeat_reduce, METH_NOARGS, reduce_doc},
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4102 {NULL, NULL} /* sentinel */
31501
14f860b03be2 Give itertools.repeat() a length method.
Raymond Hettinger <python@rcn.com>
parents: 31136
diff changeset
4103 };
14f860b03be2 Give itertools.repeat() a length method.
Raymond Hettinger <python@rcn.com>
parents: 31136
diff changeset
4104
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4105 PyDoc_STRVAR(repeat_doc,
51719
3dbdbc5e6d85 Add keyword arg support to itertools.repeat().
Raymond Hettinger <python@rcn.com>
parents: 51717
diff changeset
4106 "repeat(object [,times]) -> create an iterator which returns the object\n\
3dbdbc5e6d85 Add keyword arg support to itertools.repeat().
Raymond Hettinger <python@rcn.com>
parents: 51717
diff changeset
4107 for the specified number of times. If not specified, returns the object\n\
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
4108 endlessly.");
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4109
29850
45dc33433323 SF patch #770521: make itertools type declarations static
Raymond Hettinger <python@rcn.com>
parents: 29535
diff changeset
4110 static PyTypeObject repeat_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4111 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4112 "itertools.repeat", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4113 sizeof(repeatobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4114 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4115 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4116 (destructor)repeat_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4117 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4118 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4119 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4120 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4121 (reprfunc)repeat_repr, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4122 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4123 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4124 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4125 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4126 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4127 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4128 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4129 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4130 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4131 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4132 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4133 repeat_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4134 (traverseproc)repeat_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4135 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4136 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4137 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4138 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4139 (iternextfunc)repeat_next, /* tp_iternext */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4140 repeat_methods, /* tp_methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4141 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4142 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4143 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4144 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4145 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4146 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4147 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4148 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4149 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4150 repeat_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4151 PyObject_GC_Del, /* tp_free */
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4152 };
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4153
45738
740b5808c57a Move itertools izip() code to builtins as zip(). Complete the renaming.
Raymond Hettinger <python@rcn.com>
parents: 45736
diff changeset
4154 /* ziplongest object ************************************************************/
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4155
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4156 #include "Python.h"
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4157
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4158 typedef struct {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4159 PyObject_HEAD
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4160 Py_ssize_t tuplesize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4161 Py_ssize_t numactive;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4162 PyObject *ittuple; /* tuple of iterators */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4163 PyObject *result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4164 PyObject *fillvalue;
45738
740b5808c57a Move itertools izip() code to builtins as zip(). Complete the renaming.
Raymond Hettinger <python@rcn.com>
parents: 45736
diff changeset
4165 } ziplongestobject;
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4166
45738
740b5808c57a Move itertools izip() code to builtins as zip(). Complete the renaming.
Raymond Hettinger <python@rcn.com>
parents: 45736
diff changeset
4167 static PyTypeObject ziplongest_type;
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4168
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4169 static PyObject *
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
4170 zip_longest_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4171 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4172 ziplongestobject *lz;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4173 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4174 PyObject *ittuple; /* tuple of iterators */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4175 PyObject *result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4176 PyObject *fillvalue = Py_None;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4177 Py_ssize_t tuplesize = PySequence_Length(args);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4178
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4179 if (kwds != NULL && PyDict_CheckExact(kwds) && PyDict_Size(kwds) > 0) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4180 fillvalue = PyDict_GetItemString(kwds, "fillvalue");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4181 if (fillvalue == NULL || PyDict_Size(kwds) > 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4182 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4183 "zip_longest() got an unexpected keyword argument");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4184 return NULL;
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4185 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4186 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4187
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4188 /* args must be a tuple */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4189 assert(PyTuple_Check(args));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4190
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4191 /* obtain iterators */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4192 ittuple = PyTuple_New(tuplesize);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4193 if (ittuple == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4194 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4195 for (i=0; i < tuplesize; ++i) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4196 PyObject *item = PyTuple_GET_ITEM(args, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4197 PyObject *it = PyObject_GetIter(item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4198 if (it == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4199 if (PyErr_ExceptionMatches(PyExc_TypeError))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4200 PyErr_Format(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4201 "zip_longest argument #%zd must support iteration",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4202 i+1);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4203 Py_DECREF(ittuple);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4204 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4205 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4206 PyTuple_SET_ITEM(ittuple, i, it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4207 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4208
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4209 /* create a result holder */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4210 result = PyTuple_New(tuplesize);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4211 if (result == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4212 Py_DECREF(ittuple);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4213 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4214 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4215 for (i=0 ; i < tuplesize ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4216 Py_INCREF(Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4217 PyTuple_SET_ITEM(result, i, Py_None);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4218 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4219
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4220 /* create ziplongestobject structure */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4221 lz = (ziplongestobject *)type->tp_alloc(type, 0);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4222 if (lz == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4223 Py_DECREF(ittuple);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4224 Py_DECREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4225 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4226 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4227 lz->ittuple = ittuple;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4228 lz->tuplesize = tuplesize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4229 lz->numactive = tuplesize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4230 lz->result = result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4231 Py_INCREF(fillvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4232 lz->fillvalue = fillvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4233 return (PyObject *)lz;
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4234 }
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4235
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4236 static void
45738
740b5808c57a Move itertools izip() code to builtins as zip(). Complete the renaming.
Raymond Hettinger <python@rcn.com>
parents: 45736
diff changeset
4237 zip_longest_dealloc(ziplongestobject *lz)
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4238 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4239 PyObject_GC_UnTrack(lz);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4240 Py_XDECREF(lz->ittuple);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4241 Py_XDECREF(lz->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4242 Py_XDECREF(lz->fillvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4243 Py_TYPE(lz)->tp_free(lz);
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4244 }
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4245
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4246 static int
45738
740b5808c57a Move itertools izip() code to builtins as zip(). Complete the renaming.
Raymond Hettinger <python@rcn.com>
parents: 45736
diff changeset
4247 zip_longest_traverse(ziplongestobject *lz, visitproc visit, void *arg)
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4248 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4249 Py_VISIT(lz->ittuple);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4250 Py_VISIT(lz->result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4251 Py_VISIT(lz->fillvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4252 return 0;
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4253 }
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4254
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4255 static PyObject *
45738
740b5808c57a Move itertools izip() code to builtins as zip(). Complete the renaming.
Raymond Hettinger <python@rcn.com>
parents: 45736
diff changeset
4256 zip_longest_next(ziplongestobject *lz)
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4257 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4258 Py_ssize_t i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4259 Py_ssize_t tuplesize = lz->tuplesize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4260 PyObject *result = lz->result;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4261 PyObject *it;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4262 PyObject *item;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4263 PyObject *olditem;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4264
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4265 if (tuplesize == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4266 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4267 if (lz->numactive == 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4268 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4269 if (Py_REFCNT(result) == 1) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4270 Py_INCREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4271 for (i=0 ; i < tuplesize ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4272 it = PyTuple_GET_ITEM(lz->ittuple, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4273 if (it == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4274 Py_INCREF(lz->fillvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4275 item = lz->fillvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4276 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4277 item = PyIter_Next(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4278 if (item == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4279 lz->numactive -= 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4280 if (lz->numactive == 0 || PyErr_Occurred()) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4281 lz->numactive = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4282 Py_DECREF(result);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4283 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4284 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4285 Py_INCREF(lz->fillvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4286 item = lz->fillvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4287 PyTuple_SET_ITEM(lz->ittuple, i, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4288 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4289 }
57042
658eb58d2e68 Fix exception handling in itertools.izip_longest().
Raymond Hettinger <python@rcn.com>
parents: 54839
diff changeset
4290 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4291 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4292 olditem = PyTuple_GET_ITEM(result, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4293 PyTuple_SET_ITEM(result, i, item);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4294 Py_DECREF(olditem);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4295 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4296 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4297 result = PyTuple_New(tuplesize);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4298 if (result == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4299 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4300 for (i=0 ; i < tuplesize ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4301 it = PyTuple_GET_ITEM(lz->ittuple, i);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4302 if (it == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4303 Py_INCREF(lz->fillvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4304 item = lz->fillvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4305 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4306 item = PyIter_Next(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4307 if (item == NULL) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4308 lz->numactive -= 1;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4309 if (lz->numactive == 0 || PyErr_Occurred()) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4310 lz->numactive = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4311 Py_DECREF(result);
57042
658eb58d2e68 Fix exception handling in itertools.izip_longest().
Raymond Hettinger <python@rcn.com>
parents: 54839
diff changeset
4312 return NULL;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4313 } else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4314 Py_INCREF(lz->fillvalue);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4315 item = lz->fillvalue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4316 PyTuple_SET_ITEM(lz->ittuple, i, NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4317 Py_DECREF(it);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4318 }
57042
658eb58d2e68 Fix exception handling in itertools.izip_longest().
Raymond Hettinger <python@rcn.com>
parents: 54839
diff changeset
4319 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4320 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4321 PyTuple_SET_ITEM(result, i, item);
57042
658eb58d2e68 Fix exception handling in itertools.izip_longest().
Raymond Hettinger <python@rcn.com>
parents: 54839
diff changeset
4322 }
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4323 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4324 return result;
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4325 }
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4326
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4327 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4328 zip_longest_reduce(ziplongestobject *lz)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4329 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4330
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4331 /* Create a new tuple with empty sequences where appropriate to pickle.
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4332 * Then use setstate to set the fillvalue
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4333 */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4334 int i;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4335 PyObject *args = PyTuple_New(PyTuple_GET_SIZE(lz->ittuple));
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4336 if (args == NULL)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4337 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4338 for (i=0; i<PyTuple_GET_SIZE(lz->ittuple); i++) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4339 PyObject *elem = PyTuple_GET_ITEM(lz->ittuple, i);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4340 if (elem == NULL) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4341 elem = PyTuple_New(0);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4342 if (elem == NULL) {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4343 Py_DECREF(args);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4344 return NULL;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4345 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4346 } else
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4347 Py_INCREF(elem);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4348 PyTuple_SET_ITEM(args, i, elem);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4349 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4350 return Py_BuildValue("ONO", Py_TYPE(lz), args, lz->fillvalue);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4351 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4352
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4353 static PyObject *
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4354 zip_longest_setstate(ziplongestobject *lz, PyObject *state)
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4355 {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4356 Py_CLEAR(lz->fillvalue);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4357 lz->fillvalue = state;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4358 Py_INCREF(lz->fillvalue);
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4359 Py_RETURN_NONE;
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4360 }
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4361
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4362 static PyMethodDef zip_longest_methods[] = {
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4363 {"__reduce__", (PyCFunction)zip_longest_reduce, METH_NOARGS,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4364 reduce_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4365 {"__setstate__", (PyCFunction)zip_longest_setstate, METH_O,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4366 setstate_doc},
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4367 {NULL, NULL} /* sentinel */
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4368 };
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4369
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
4370 PyDoc_STRVAR(zip_longest_doc,
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
4371 "zip_longest(iter1 [,iter2 [...]], [fillvalue=None]) --> zip_longest object\n\
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4372 \n\
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
4373 Return an zip_longest object whose .__next__() method returns a tuple where\n\
41501
0c5019afc55b PEP 3114: rename .next() to .__next__() and add next() builtin.
Georg Brandl <georg@python.org>
parents: 40893
diff changeset
4374 the i-th element comes from the i-th iterable argument. The .__next__()\n\
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4375 method continues until the longest iterable in the argument sequence\n\
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4376 is exhausted and then it raises StopIteration. When the shorter iterables\n\
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4377 are exhausted, the fillvalue is substituted in their place. The fillvalue\n\
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4378 defaults to None or can be specified by a keyword argument.\n\
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4379 ");
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4380
45738
740b5808c57a Move itertools izip() code to builtins as zip(). Complete the renaming.
Raymond Hettinger <python@rcn.com>
parents: 45736
diff changeset
4381 static PyTypeObject ziplongest_type = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4382 PyVarObject_HEAD_INIT(NULL, 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4383 "itertools.zip_longest", /* tp_name */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4384 sizeof(ziplongestobject), /* tp_basicsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4385 0, /* tp_itemsize */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4386 /* methods */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4387 (destructor)zip_longest_dealloc, /* tp_dealloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4388 0, /* tp_print */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4389 0, /* tp_getattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4390 0, /* tp_setattr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4391 0, /* tp_reserved */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4392 0, /* tp_repr */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4393 0, /* tp_as_number */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4394 0, /* tp_as_sequence */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4395 0, /* tp_as_mapping */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4396 0, /* tp_hash */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4397 0, /* tp_call */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4398 0, /* tp_str */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4399 PyObject_GenericGetAttr, /* tp_getattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4400 0, /* tp_setattro */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4401 0, /* tp_as_buffer */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4402 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4403 Py_TPFLAGS_BASETYPE, /* tp_flags */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4404 zip_longest_doc, /* tp_doc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4405 (traverseproc)zip_longest_traverse, /* tp_traverse */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4406 0, /* tp_clear */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4407 0, /* tp_richcompare */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4408 0, /* tp_weaklistoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4409 PyObject_SelfIter, /* tp_iter */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4410 (iternextfunc)zip_longest_next, /* tp_iternext */
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4411 zip_longest_methods, /* tp_methods */
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4412 0, /* tp_members */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4413 0, /* tp_getset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4414 0, /* tp_base */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4415 0, /* tp_dict */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4416 0, /* tp_descr_get */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4417 0, /* tp_descr_set */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4418 0, /* tp_dictoffset */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4419 0, /* tp_init */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4420 0, /* tp_alloc */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4421 zip_longest_new, /* tp_new */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4422 PyObject_GC_Del, /* tp_free */
40893
32c4897b5d46 Merged revisions 53623-53858 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40737
diff changeset
4423 };
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4424
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4425 /* module level code ********************************************************/
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4426
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4427 PyDoc_STRVAR(module_doc,
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4428 "Functional tools for creating and using iterators.\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4429 \n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4430 Infinite iterators:\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4431 count([n]) --> n, n+1, n+2, ...\n\
28024
61fa6b55c1de User requested changes to the itertools module.
Raymond Hettinger <python@rcn.com>
parents: 27770
diff changeset
4432 cycle(p) --> p0, p1, ... plast, p0, p1, ...\n\
28601
58db5fbd9c28 Fix docstring typo
Andrew M. Kuchling <amk@amk.ca>
parents: 28320
diff changeset
4433 repeat(elem [,n]) --> elem, elem, elem, ... endlessly or up to n times\n\
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4434 \n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4435 Iterators terminating on the shortest input sequence:\n\
69022
822c7c0d27d1 Update docstrings for itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 69021
diff changeset
4436 accumulate(p[, func]) --> p0, p0+p1, p0+p1+p2\n\
51163
4f607c3ae8e2 Update itertools.__doc__ to include all tools.
Raymond Hettinger <python@rcn.com>
parents: 51100
diff changeset
4437 chain(p, q, ...) --> p0, p1, ... plast, q0, q1, ... \n\
4f607c3ae8e2 Update itertools.__doc__ to include all tools.
Raymond Hettinger <python@rcn.com>
parents: 51100
diff changeset
4438 compress(data, selectors) --> (d[0] if s[0]), (d[1] if s[1]), ...\n\
4f607c3ae8e2 Update itertools.__doc__ to include all tools.
Raymond Hettinger <python@rcn.com>
parents: 51100
diff changeset
4439 dropwhile(pred, seq) --> seq[n], seq[n+1], starting when pred fails\n\
4f607c3ae8e2 Update itertools.__doc__ to include all tools.
Raymond Hettinger <python@rcn.com>
parents: 51100
diff changeset
4440 groupby(iterable[, keyfunc]) --> sub-iterators grouped by value of keyfunc(v)\n\
45736
7752a57f9c49 Rename ifilterfalse() to filterfalse() and izip_longest() to zip_longest().
Raymond Hettinger <python@rcn.com>
parents: 45735
diff changeset
4441 filterfalse(pred, seq) --> elements of seq where pred(elem) is False\n\
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4442 islice(seq, [start,] stop [, step]) --> elements from\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4443 seq[start:stop:step]\n\
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4444 starmap(fun, seq) --> fun(*seq[0]), fun(*seq[1]), ...\n\
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
4445 tee(it, n=2) --> (it1, it2 , ... itn) splits one iterator into n\n\
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4446 takewhile(pred, seq) --> seq[0], seq[1], until pred fails\n\
51163
4f607c3ae8e2 Update itertools.__doc__ to include all tools.
Raymond Hettinger <python@rcn.com>
parents: 51100
diff changeset
4447 zip_longest(p, q, ...) --> (p[0], q[0]), (p[1], q[1]), ... \n\
51165
4b8976ea6966 Fix typo.
Raymond Hettinger <python@rcn.com>
parents: 51163
diff changeset
4448 \n\
4b8976ea6966 Fix typo.
Raymond Hettinger <python@rcn.com>
parents: 51163
diff changeset
4449 Combinatoric generators:\n\
4b8976ea6966 Fix typo.
Raymond Hettinger <python@rcn.com>
parents: 51163
diff changeset
4450 product(p, q, ... [repeat=1]) --> cartesian product\n\
4b8976ea6966 Fix typo.
Raymond Hettinger <python@rcn.com>
parents: 51163
diff changeset
4451 permutations(p[, r])\n\
57344
a790f84fbafa Fix docstrings for itertools combinatoric functions.
Raymond Hettinger <python@rcn.com>
parents: 57042
diff changeset
4452 combinations(p, r)\n\
a790f84fbafa Fix docstrings for itertools combinatoric functions.
Raymond Hettinger <python@rcn.com>
parents: 57042
diff changeset
4453 combinations_with_replacement(p, r)\n\
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4454 ");
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4455
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4456
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
4457 static PyMethodDef module_methods[] = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4458 {"tee", (PyCFunction)tee, METH_VARARGS, tee_doc},
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4459 {NULL, NULL} /* sentinel */
30900
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
4460 };
3096fab2a19c Improve the implementation of itertools.tee().
Raymond Hettinger <python@rcn.com>
parents: 30800
diff changeset
4461
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47555
diff changeset
4462
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47555
diff changeset
4463 static struct PyModuleDef itertoolsmodule = {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4464 PyModuleDef_HEAD_INIT,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4465 "itertools",
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4466 module_doc,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4467 -1,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4468 module_methods,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4469 NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4470 NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4471 NULL,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4472 NULL
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47555
diff changeset
4473 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47555
diff changeset
4474
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4475 PyMODINIT_FUNC
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47555
diff changeset
4476 PyInit_itertools(void)
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4477 {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4478 int i;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4479 PyObject *m;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4480 char *name;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4481 PyTypeObject *typelist[] = {
66589
5da093b49c2a Add itertools.accumulate().
Raymond Hettinger <python@rcn.com>
parents: 66546
diff changeset
4482 &accumulate_type,
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4483 &combinations_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4484 &cwr_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4485 &cycle_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4486 &dropwhile_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4487 &takewhile_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4488 &islice_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4489 &starmap_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4490 &chain_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4491 &compress_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4492 &filterfalse_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4493 &count_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4494 &ziplongest_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4495 &permutations_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4496 &product_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4497 &repeat_type,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4498 &groupby_type,
76091
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4499 &_grouper_type,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4500 &tee_type,
4ff234337e24 Issue #14288: Serialization support for builtin iterators.
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 72926
diff changeset
4501 &teedataobject_type,
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4502 NULL
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4503 };
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4504
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4505 Py_TYPE(&teedataobject_type) = &PyType_Type;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4506 m = PyModule_Create(&itertoolsmodule);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4507 if (m == NULL)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4508 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4509
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4510 for (i=0 ; typelist[i] != NULL ; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4511 if (PyType_Ready(typelist[i]) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4512 return NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4513 name = strchr(typelist[i]->tp_name, '.');
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4514 assert (name != NULL);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4515 Py_INCREF(typelist[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4516 PyModule_AddObject(m, name+1, (PyObject *)typelist[i]);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4517 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4518
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57525
diff changeset
4519 return m;
27570
ba57c3daf6e9 Move itertools module from the sandbox and into production.
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4520 }