annotate Modules/_collectionsmodule.c @ 82251:bb5a8564e186 2.7

Issue #13153: Tkinter functions now raise TclError instead of ValueError when a unicode argument contains non-BMP character.
author Serhiy Storchaka <storchaka@gmail.com>
date Mon, 18 Feb 2013 13:00:08 +0200
parents 3afa4c8eee1e
children 5accb0ac8bfb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1 #include "Python.h"
32158
679e5c8effae Make sets and deques weak referencable.
Raymond Hettinger <python@rcn.com>
parents: 32119
diff changeset
2 #include "structmember.h"
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
3
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
4 /* collections module implementation of a deque() datatype
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
5 Written and maintained by Raymond D. Hettinger <python@rcn.com>
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
6 Copyright (c) 2004 Python Software Foundation.
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
7 All rights reserved.
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
8 */
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
9
33643
91634f3ba213 Restore the block length and add a comment.
Raymond Hettinger <python@rcn.com>
parents: 33642
diff changeset
10 /* The block length may be set to any number over 1. Larger numbers
91634f3ba213 Restore the block length and add a comment.
Raymond Hettinger <python@rcn.com>
parents: 33642
diff changeset
11 * reduce the number of calls to the memory allocator but take more
91634f3ba213 Restore the block length and add a comment.
Raymond Hettinger <python@rcn.com>
parents: 33642
diff changeset
12 * memory. Ideally, BLOCKLEN should be set with an eye to the
39232
cd8f20d400c1 defdict_reduce(): Plug leaks.
Tim Peters <tim.peters@gmail.com>
parents: 37748
diff changeset
13 * length of a cache line.
33643
91634f3ba213 Restore the block length and add a comment.
Raymond Hettinger <python@rcn.com>
parents: 33642
diff changeset
14 */
91634f3ba213 Restore the block length and add a comment.
Raymond Hettinger <python@rcn.com>
parents: 33642
diff changeset
15
33879
687362fa471c Bump-up block size.
Raymond Hettinger <python@rcn.com>
parents: 33697
diff changeset
16 #define BLOCKLEN 62
33641
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
17 #define CENTER ((BLOCKLEN - 1) / 2)
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
18
33637
6f4bcb3bd202 Document some reverse-engineered invariants and pragmatic hints.
Tim Peters <tim.peters@gmail.com>
parents: 33635
diff changeset
19 /* A `dequeobject` is composed of a doubly-linked list of `block` nodes.
6f4bcb3bd202 Document some reverse-engineered invariants and pragmatic hints.
Tim Peters <tim.peters@gmail.com>
parents: 33635
diff changeset
20 * This list is not circular (the leftmost block has leftlink==NULL,
6f4bcb3bd202 Document some reverse-engineered invariants and pragmatic hints.
Tim Peters <tim.peters@gmail.com>
parents: 33635
diff changeset
21 * and the rightmost block has rightlink==NULL). A deque d's first
6f4bcb3bd202 Document some reverse-engineered invariants and pragmatic hints.
Tim Peters <tim.peters@gmail.com>
parents: 33635
diff changeset
22 * element is at d.leftblock[leftindex] and its last element is at
6f4bcb3bd202 Document some reverse-engineered invariants and pragmatic hints.
Tim Peters <tim.peters@gmail.com>
parents: 33635
diff changeset
23 * d.rightblock[rightindex]; note that, unlike as for Python slice
33641
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
24 * indices, these indices are inclusive on both ends. By being inclusive
39232
cd8f20d400c1 defdict_reduce(): Plug leaks.
Tim Peters <tim.peters@gmail.com>
parents: 37748
diff changeset
25 * on both ends, algorithms for left and right operations become
33641
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
26 * symmetrical which simplifies the design.
39232
cd8f20d400c1 defdict_reduce(): Plug leaks.
Tim Peters <tim.peters@gmail.com>
parents: 37748
diff changeset
27 *
33641
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
28 * The list of blocks is never empty, so d.leftblock and d.rightblock
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
29 * are never equal to NULL.
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
30 *
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
31 * The indices, d.leftindex and d.rightindex are always in the range
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
32 * 0 <= index < BLOCKLEN.
33642
4fb8c89f66a0 Clarify the relationship between indices.
Raymond Hettinger <python@rcn.com>
parents: 33641
diff changeset
33 * Their exact relationship is:
4fb8c89f66a0 Clarify the relationship between indices.
Raymond Hettinger <python@rcn.com>
parents: 33641
diff changeset
34 * (d.leftindex + d.len - 1) % BLOCKLEN == d.rightindex.
33641
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
35 *
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
36 * Empty deques have d.len == 0; d.leftblock==d.rightblock;
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
37 * d.leftindex == CENTER+1; and d.rightindex == CENTER.
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
38 * Checking for d.len == 0 is the intended way to see whether d is empty.
cd70f1ac3c25 * Elaborate on the invariant comments and make them more precise.
Raymond Hettinger <python@rcn.com>
parents: 33639
diff changeset
39 *
39232
cd8f20d400c1 defdict_reduce(): Plug leaks.
Tim Peters <tim.peters@gmail.com>
parents: 37748
diff changeset
40 * Whenever d.leftblock == d.rightblock,
33642
4fb8c89f66a0 Clarify the relationship between indices.
Raymond Hettinger <python@rcn.com>
parents: 33641
diff changeset
41 * d.leftindex + d.len - 1 == d.rightindex.
39232
cd8f20d400c1 defdict_reduce(): Plug leaks.
Tim Peters <tim.peters@gmail.com>
parents: 37748
diff changeset
42 *
33642
4fb8c89f66a0 Clarify the relationship between indices.
Raymond Hettinger <python@rcn.com>
parents: 33641
diff changeset
43 * However, when d.leftblock != d.rightblock, d.leftindex and d.rightindex
39232
cd8f20d400c1 defdict_reduce(): Plug leaks.
Tim Peters <tim.peters@gmail.com>
parents: 37748
diff changeset
44 * become indices into distinct blocks and either may be larger than the
33642
4fb8c89f66a0 Clarify the relationship between indices.
Raymond Hettinger <python@rcn.com>
parents: 33641
diff changeset
45 * other.
33637
6f4bcb3bd202 Document some reverse-engineered invariants and pragmatic hints.
Tim Peters <tim.peters@gmail.com>
parents: 33635
diff changeset
46 */
6f4bcb3bd202 Document some reverse-engineered invariants and pragmatic hints.
Tim Peters <tim.peters@gmail.com>
parents: 33635
diff changeset
47
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
48 typedef struct BLOCK {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
49 struct BLOCK *leftlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
50 struct BLOCK *rightlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
51 PyObject *data[BLOCKLEN];
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
52 } block;
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
53
43812
f82a20dda465 Use a freelist to speed-up block allocation and deallocation in collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 43517
diff changeset
54 #define MAXFREEBLOCKS 10
48059
b68704457efe Finish-up the partial conversion from int to Py_ssize_t for deque indices and length.
Raymond Hettinger <python@rcn.com>
parents: 47961
diff changeset
55 static Py_ssize_t numfreeblocks = 0;
43812
f82a20dda465 Use a freelist to speed-up block allocation and deallocation in collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 43517
diff changeset
56 static block *freeblocks[MAXFREEBLOCKS];
f82a20dda465 Use a freelist to speed-up block allocation and deallocation in collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 43517
diff changeset
57
33635
836e92cc5c4f Definition consistency.
Tim Peters <tim.peters@gmail.com>
parents: 33634
diff changeset
58 static block *
48059
b68704457efe Finish-up the partial conversion from int to Py_ssize_t for deque indices and length.
Raymond Hettinger <python@rcn.com>
parents: 47961
diff changeset
59 newblock(block *leftlink, block *rightlink, Py_ssize_t len) {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
60 block *b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
61 /* To prevent len from overflowing PY_SSIZE_T_MAX on 64-bit machines, we
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
62 * refuse to allocate new blocks if the current len is dangerously
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
63 * close. There is some extra margin to prevent spurious arithmetic
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
64 * overflows at various places. The following check ensures that
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
65 * the blocks allocated to the deque, in the worst case, can only
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
66 * have PY_SSIZE_T_MAX-2 entries in total.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
67 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
68 if (len >= PY_SSIZE_T_MAX - 2*BLOCKLEN) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
69 PyErr_SetString(PyExc_OverflowError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
70 "cannot add more blocks to the deque");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
71 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
72 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
73 if (numfreeblocks) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
74 numfreeblocks -= 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
75 b = freeblocks[numfreeblocks];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
76 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
77 b = PyMem_Malloc(sizeof(block));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
78 if (b == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
79 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
80 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
81 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
82 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
83 b->leftlink = leftlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
84 b->rightlink = rightlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
85 return b;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
86 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
87
47678
a35da94e05fc Make more symbols static.
Martin v. Löwis <martin@v.loewis.de>
parents: 47527
diff changeset
88 static void
43812
f82a20dda465 Use a freelist to speed-up block allocation and deallocation in collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 43517
diff changeset
89 freeblock(block *b)
f82a20dda465 Use a freelist to speed-up block allocation and deallocation in collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 43517
diff changeset
90 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
91 if (numfreeblocks < MAXFREEBLOCKS) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
92 freeblocks[numfreeblocks] = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
93 numfreeblocks++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
94 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
95 PyMem_Free(b);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
96 }
43812
f82a20dda465 Use a freelist to speed-up block allocation and deallocation in collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 43517
diff changeset
97 }
f82a20dda465 Use a freelist to speed-up block allocation and deallocation in collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 43517
diff changeset
98
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
99 typedef struct {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
100 PyObject_HEAD
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
101 block *leftblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
102 block *rightblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
103 Py_ssize_t leftindex; /* in range(BLOCKLEN) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
104 Py_ssize_t rightindex; /* in range(BLOCKLEN) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
105 Py_ssize_t len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
106 Py_ssize_t maxlen;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
107 long state; /* incremented whenever the indices move */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
108 PyObject *weakreflist; /* List of weak references */
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
109 } dequeobject;
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
110
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
111 /* The deque's size limit is d.maxlen. The limit can be zero or positive.
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
112 * If there is no limit, then d.maxlen == -1.
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
113 *
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
114 * After an item is added to a deque, we check to see if the size has grown past
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
115 * the limit. If it has, we get the size back down to the limit by popping an
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
116 * item off of the opposite end. The methods that can trigger this are append(),
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
117 * appendleft(), extend(), and extendleft().
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
118 */
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
119
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
120 #define TRIM(d, popfunction) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
121 if (d->maxlen != -1 && d->len > d->maxlen) { \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
122 PyObject *rv = popfunction(d, NULL); \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
123 assert(rv != NULL && d->len <= d->maxlen); \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
124 Py_DECREF(rv); \
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
125 }
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
126
31605
2fed331de014 Make deque_type static so namespace is not polluted.
Neal Norwitz <nnorwitz@gmail.com>
parents: 31603
diff changeset
127 static PyTypeObject deque_type;
31603
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
128
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
129 static PyObject *
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
130 deque_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
131 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
132 dequeobject *deque;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
133 block *b;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
134
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
135 /* create dequeobject structure */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
136 deque = (dequeobject *)type->tp_alloc(type, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
137 if (deque == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
138 return NULL;
33634
6bd4a1056716 Trimmed trailing whitespace.
Tim Peters <tim.peters@gmail.com>
parents: 32752
diff changeset
139
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
140 b = newblock(NULL, NULL, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
141 if (b == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
142 Py_DECREF(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
143 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
144 }
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
145
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
146 assert(BLOCKLEN >= 2);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
147 deque->leftblock = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
148 deque->rightblock = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
149 deque->leftindex = CENTER + 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
150 deque->rightindex = CENTER;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
151 deque->len = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
152 deque->state = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
153 deque->weakreflist = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
154 deque->maxlen = -1;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
155
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
156 return (PyObject *)deque;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
157 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
158
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
159 static PyObject *
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
160 deque_pop(dequeobject *deque, PyObject *unused)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
161 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
162 PyObject *item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
163 block *prevblock;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
164
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
165 if (deque->len == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
166 PyErr_SetString(PyExc_IndexError, "pop from an empty deque");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
167 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
168 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
169 item = deque->rightblock->data[deque->rightindex];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
170 deque->rightindex--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
171 deque->len--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
172 deque->state++;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
173
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
174 if (deque->rightindex == -1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
175 if (deque->len == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
176 assert(deque->leftblock == deque->rightblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
177 assert(deque->leftindex == deque->rightindex+1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
178 /* re-center instead of freeing a block */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
179 deque->leftindex = CENTER + 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
180 deque->rightindex = CENTER;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
181 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
182 prevblock = deque->rightblock->leftlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
183 assert(deque->leftblock != deque->rightblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
184 freeblock(deque->rightblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
185 prevblock->rightlink = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
186 deque->rightblock = prevblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
187 deque->rightindex = BLOCKLEN - 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
188 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
189 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
190 return item;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
191 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
192
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
193 PyDoc_STRVAR(pop_doc, "Remove and return the rightmost element.");
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
194
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
195 static PyObject *
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
196 deque_popleft(dequeobject *deque, PyObject *unused)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
197 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
198 PyObject *item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
199 block *prevblock;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
200
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
201 if (deque->len == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
202 PyErr_SetString(PyExc_IndexError, "pop from an empty deque");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
203 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
204 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
205 assert(deque->leftblock != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
206 item = deque->leftblock->data[deque->leftindex];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
207 deque->leftindex++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
208 deque->len--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
209 deque->state++;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
210
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
211 if (deque->leftindex == BLOCKLEN) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
212 if (deque->len == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
213 assert(deque->leftblock == deque->rightblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
214 assert(deque->leftindex == deque->rightindex+1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
215 /* re-center instead of freeing a block */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
216 deque->leftindex = CENTER + 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
217 deque->rightindex = CENTER;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
218 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
219 assert(deque->leftblock != deque->rightblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
220 prevblock = deque->leftblock->rightlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
221 freeblock(deque->leftblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
222 assert(prevblock != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
223 prevblock->leftlink = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
224 deque->leftblock = prevblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
225 deque->leftindex = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
226 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
227 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
228 return item;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
229 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
230
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
231 PyDoc_STRVAR(popleft_doc, "Remove and return the leftmost element.");
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
232
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
233 static PyObject *
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
234 deque_append(dequeobject *deque, PyObject *item)
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
235 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
236 deque->state++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
237 if (deque->rightindex == BLOCKLEN-1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
238 block *b = newblock(deque->rightblock, NULL, deque->len);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
239 if (b == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
240 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
241 assert(deque->rightblock->rightlink == NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
242 deque->rightblock->rightlink = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
243 deque->rightblock = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
244 deque->rightindex = -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
245 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
246 Py_INCREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
247 deque->len++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
248 deque->rightindex++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
249 deque->rightblock->data[deque->rightindex] = item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
250 TRIM(deque, deque_popleft);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
251 Py_RETURN_NONE;
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
252 }
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
253
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
254 PyDoc_STRVAR(append_doc, "Add an element to the right side of the deque.");
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
255
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
256 static PyObject *
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
257 deque_appendleft(dequeobject *deque, PyObject *item)
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
258 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
259 deque->state++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
260 if (deque->leftindex == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
261 block *b = newblock(NULL, deque->leftblock, deque->len);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
262 if (b == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
263 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
264 assert(deque->leftblock->leftlink == NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
265 deque->leftblock->leftlink = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
266 deque->leftblock = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
267 deque->leftindex = BLOCKLEN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
268 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
269 Py_INCREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
270 deque->len++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
271 deque->leftindex--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
272 deque->leftblock->data[deque->leftindex] = item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
273 TRIM(deque, deque_pop);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
274 Py_RETURN_NONE;
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
275 }
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
276
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
277 PyDoc_STRVAR(appendleft_doc, "Add an element to the left side of the deque.");
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
278
52117
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
279
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
280 /* Run an iterator to exhaustion. Shortcut for
52117
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
281 the extend/extendleft methods when maxlen == 0. */
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
282 static PyObject*
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
283 consume_iterator(PyObject *it)
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
284 {
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
285 PyObject *item;
52117
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
286
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
287 while ((item = PyIter_Next(it)) != NULL) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
288 Py_DECREF(item);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
289 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
290 Py_DECREF(it);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
291 if (PyErr_Occurred())
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
292 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
293 Py_RETURN_NONE;
52117
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
294 }
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
295
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
296 static PyObject *
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
297 deque_extend(dequeobject *deque, PyObject *iterable)
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
298 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
299 PyObject *it, *item;
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
300
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
301 /* Handle case where id(deque) == id(iterable) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
302 if ((PyObject *)deque == iterable) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
303 PyObject *result;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
304 PyObject *s = PySequence_List(iterable);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
305 if (s == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
306 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
307 result = deque_extend(deque, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
308 Py_DECREF(s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
309 return result;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
310 }
57633
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
311
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
312 it = PyObject_GetIter(iterable);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
313 if (it == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
314 return NULL;
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
315
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
316 if (deque->maxlen == 0)
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
317 return consume_iterator(it);
52117
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
318
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
319 while ((item = PyIter_Next(it)) != NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
320 deque->state++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
321 if (deque->rightindex == BLOCKLEN-1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
322 block *b = newblock(deque->rightblock, NULL,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
323 deque->len);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
324 if (b == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
325 Py_DECREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
326 Py_DECREF(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
327 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
328 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
329 assert(deque->rightblock->rightlink == NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
330 deque->rightblock->rightlink = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
331 deque->rightblock = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
332 deque->rightindex = -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
333 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
334 deque->len++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
335 deque->rightindex++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
336 deque->rightblock->data[deque->rightindex] = item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
337 TRIM(deque, deque_popleft);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
338 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
339 Py_DECREF(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
340 if (PyErr_Occurred())
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
341 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
342 Py_RETURN_NONE;
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
343 }
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
344
33634
6bd4a1056716 Trimmed trailing whitespace.
Tim Peters <tim.peters@gmail.com>
parents: 32752
diff changeset
345 PyDoc_STRVAR(extend_doc,
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
346 "Extend the right side of the deque with elements from the iterable");
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
347
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
348 static PyObject *
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
349 deque_extendleft(dequeobject *deque, PyObject *iterable)
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
350 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
351 PyObject *it, *item;
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
352
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
353 /* Handle case where id(deque) == id(iterable) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
354 if ((PyObject *)deque == iterable) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
355 PyObject *result;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
356 PyObject *s = PySequence_List(iterable);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
357 if (s == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
358 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
359 result = deque_extendleft(deque, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
360 Py_DECREF(s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
361 return result;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
362 }
57633
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
363
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
364 it = PyObject_GetIter(iterable);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
365 if (it == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
366 return NULL;
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
367
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
368 if (deque->maxlen == 0)
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
369 return consume_iterator(it);
52117
ab7a7215e463 Small optimization for corner case where maxlen==0.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
370
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
371 while ((item = PyIter_Next(it)) != NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
372 deque->state++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
373 if (deque->leftindex == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
374 block *b = newblock(NULL, deque->leftblock,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
375 deque->len);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
376 if (b == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
377 Py_DECREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
378 Py_DECREF(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
379 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
380 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
381 assert(deque->leftblock->leftlink == NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
382 deque->leftblock->leftlink = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
383 deque->leftblock = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
384 deque->leftindex = BLOCKLEN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
385 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
386 deque->len++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
387 deque->leftindex--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
388 deque->leftblock->data[deque->leftindex] = item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
389 TRIM(deque, deque_pop);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
390 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
391 Py_DECREF(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
392 if (PyErr_Occurred())
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
393 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
394 Py_RETURN_NONE;
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
395 }
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
396
33634
6bd4a1056716 Trimmed trailing whitespace.
Tim Peters <tim.peters@gmail.com>
parents: 32752
diff changeset
397 PyDoc_STRVAR(extendleft_doc,
31464
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
398 "Extend the left side of the deque with elements from the iterable");
aabd9b54e469 Have deques support high volume loads.
Raymond Hettinger <python@rcn.com>
parents: 31438
diff changeset
399
57633
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
400 static PyObject *
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
401 deque_inplace_concat(dequeobject *deque, PyObject *other)
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
402 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
403 PyObject *result;
57633
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
404
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
405 result = deque_extend(deque, other);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
406 if (result == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
407 return result;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
408 Py_DECREF(result);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
409 Py_INCREF(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
410 return (PyObject *)deque;
57633
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
411 }
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
412
33697
aac4cc6618b5 Simplify delitem() code by calling rotate() directly instead of using
Raymond Hettinger <python@rcn.com>
parents: 33677
diff changeset
413 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
414 _deque_rotate(dequeobject *deque, Py_ssize_t n)
31474
3ce4ffac27ab * Incorporate Skip's suggestions for documentation (explain the word deque
Raymond Hettinger <python@rcn.com>
parents: 31466
diff changeset
415 {
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
416 Py_ssize_t m, len=deque->len, halflen=len>>1;
31474
3ce4ffac27ab * Incorporate Skip's suggestions for documentation (explain the word deque
Raymond Hettinger <python@rcn.com>
parents: 31466
diff changeset
417
81439
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
418 if (len <= 1)
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
419 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
420 if (n > halflen || n < -halflen) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
421 n %= len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
422 if (n > halflen)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
423 n -= len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
424 else if (n < -halflen)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
425 n += len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
426 }
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
427 assert(len > 1);
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
428 assert(-halflen <= n && n <= halflen);
31474
3ce4ffac27ab * Incorporate Skip's suggestions for documentation (explain the word deque
Raymond Hettinger <python@rcn.com>
parents: 31466
diff changeset
429
81439
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
430 deque->state++;
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
431 while (n > 0) {
81439
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
432 if (deque->leftindex == 0) {
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
433 block *b = newblock(NULL, deque->leftblock, len);
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
434 if (b == NULL)
81439
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
435 return -1;
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
436 assert(deque->leftblock->leftlink == NULL);
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
437 deque->leftblock->leftlink = b;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
438 deque->leftblock = b;
81439
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
439 deque->leftindex = BLOCKLEN;
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
440 }
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
441 assert(deque->leftindex > 0);
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
442
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
443 m = n;
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
444 if (m > deque->rightindex + 1)
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
445 m = deque->rightindex + 1;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
446 if (m > deque->leftindex)
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
447 m = deque->leftindex;
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
448 assert (m > 0 && m <= len);
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
449 memcpy(&deque->leftblock->data[deque->leftindex - m],
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
450 &deque->rightblock->data[deque->rightindex + 1 - m],
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
451 m * sizeof(PyObject *));
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
452 deque->rightindex -= m;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
453 deque->leftindex -= m;
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
454 n -= m;
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
455
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
456 if (deque->rightindex == -1) {
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
457 block *prevblock = deque->rightblock->leftlink;
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
458 assert(deque->rightblock != NULL);
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
459 assert(deque->leftblock != deque->rightblock);
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
460 freeblock(deque->rightblock);
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
461 prevblock->rightlink = NULL;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
462 deque->rightblock = prevblock;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
463 deque->rightindex = BLOCKLEN - 1;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
464 }
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
465 }
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
466 while (n < 0) {
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
467 if (deque->rightindex == BLOCKLEN - 1) {
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
468 block *b = newblock(deque->rightblock, NULL, len);
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
469 if (b == NULL)
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
470 return -1;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
471 assert(deque->rightblock->rightlink == NULL);
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
472 deque->rightblock->rightlink = b;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
473 deque->rightblock = b;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
474 deque->rightindex = -1;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
475 }
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
476 assert (deque->rightindex < BLOCKLEN - 1);
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
477
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
478 m = -n;
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
479 if (m > BLOCKLEN - deque->leftindex)
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
480 m = BLOCKLEN - deque->leftindex;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
481 if (m > BLOCKLEN - 1 - deque->rightindex)
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
482 m = BLOCKLEN - 1 - deque->rightindex;
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
483 assert (m > 0 && m <= len);
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
484 memcpy(&deque->rightblock->data[deque->rightindex + 1],
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
485 &deque->leftblock->data[deque->leftindex],
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
486 m * sizeof(PyObject *));
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
487 deque->leftindex += m;
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
488 deque->rightindex += m;
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
489 n += m;
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
490
81439
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
491 if (deque->leftindex == BLOCKLEN) {
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
492 block *nextblock = deque->leftblock->rightlink;
81942
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
493 assert(deque->leftblock != deque->rightblock);
cb5cde9e5ac5 Issue 16398: Use memcpy() in deque.rotate().
Raymond Hettinger <python@rcn.com>
parents: 81472
diff changeset
494 freeblock(deque->leftblock);
82114
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
495 assert(nextblock != NULL);
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
496 nextblock->leftlink = NULL;
3afa4c8eee1e Minor cleanups.
Raymond Hettinger <python@rcn.com>
parents: 81942
diff changeset
497 deque->leftblock = nextblock;
81439
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
498 deque->leftindex = 0;
0d81333bde78 Issue #16398: Optimize deque.rotate()
Raymond Hettinger <python@rcn.com>
parents: 80082
diff changeset
499 }
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
500 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
501 return 0;
33697
aac4cc6618b5 Simplify delitem() code by calling rotate() directly instead of using
Raymond Hettinger <python@rcn.com>
parents: 33677
diff changeset
502 }
aac4cc6618b5 Simplify delitem() code by calling rotate() directly instead of using
Raymond Hettinger <python@rcn.com>
parents: 33677
diff changeset
503
aac4cc6618b5 Simplify delitem() code by calling rotate() directly instead of using
Raymond Hettinger <python@rcn.com>
parents: 33677
diff changeset
504 static PyObject *
aac4cc6618b5 Simplify delitem() code by calling rotate() directly instead of using
Raymond Hettinger <python@rcn.com>
parents: 33677
diff changeset
505 deque_rotate(dequeobject *deque, PyObject *args)
aac4cc6618b5 Simplify delitem() code by calling rotate() directly instead of using
Raymond Hettinger <python@rcn.com>
parents: 33677
diff changeset
506 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
507 Py_ssize_t n=1;
33697
aac4cc6618b5 Simplify delitem() code by calling rotate() directly instead of using
Raymond Hettinger <python@rcn.com>
parents: 33677
diff changeset
508
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
509 if (!PyArg_ParseTuple(args, "|n:rotate", &n))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
510 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
511 if (_deque_rotate(deque, n) == 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
512 Py_RETURN_NONE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
513 return NULL;
31474
3ce4ffac27ab * Incorporate Skip's suggestions for documentation (explain the word deque
Raymond Hettinger <python@rcn.com>
parents: 31466
diff changeset
514 }
3ce4ffac27ab * Incorporate Skip's suggestions for documentation (explain the word deque
Raymond Hettinger <python@rcn.com>
parents: 31466
diff changeset
515
33634
6bd4a1056716 Trimmed trailing whitespace.
Tim Peters <tim.peters@gmail.com>
parents: 32752
diff changeset
516 PyDoc_STRVAR(rotate_doc,
31476
25b30439fe22 Make deque.rotate() smarter. Beef-up related tests.
Raymond Hettinger <python@rcn.com>
parents: 31474
diff changeset
517 "Rotate the deque n steps to the right (default n=1). If n is negative, rotates left.");
31474
3ce4ffac27ab * Incorporate Skip's suggestions for documentation (explain the word deque
Raymond Hettinger <python@rcn.com>
parents: 31466
diff changeset
518
57635
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
519 static PyObject *
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
520 deque_reverse(dequeobject *deque, PyObject *unused)
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
521 {
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
522 block *leftblock = deque->leftblock;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
523 block *rightblock = deque->rightblock;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
524 Py_ssize_t leftindex = deque->leftindex;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
525 Py_ssize_t rightindex = deque->rightindex;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
526 Py_ssize_t n = (deque->len)/2;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
527 Py_ssize_t i;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
528 PyObject *tmp;
57635
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
529
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
530 for (i=0 ; i<n ; i++) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
531 /* Validate that pointers haven't met in the middle */
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
532 assert(leftblock != rightblock || leftindex < rightindex);
57635
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
533
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
534 /* Swap */
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
535 tmp = leftblock->data[leftindex];
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
536 leftblock->data[leftindex] = rightblock->data[rightindex];
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
537 rightblock->data[rightindex] = tmp;
57635
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
538
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
539 /* Advance left block/index pair */
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
540 leftindex++;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
541 if (leftindex == BLOCKLEN) {
67765
f6392c4ce619 Issue 11004: Fix edge case for deque.count().
Raymond Hettinger <python@rcn.com>
parents: 61463
diff changeset
542 if (leftblock->rightlink == NULL)
f6392c4ce619 Issue 11004: Fix edge case for deque.count().
Raymond Hettinger <python@rcn.com>
parents: 61463
diff changeset
543 break;
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
544 leftblock = leftblock->rightlink;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
545 leftindex = 0;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
546 }
57635
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
547
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
548 /* Step backwards with the right block/index pair */
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
549 rightindex--;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
550 if (rightindex == -1) {
67765
f6392c4ce619 Issue 11004: Fix edge case for deque.count().
Raymond Hettinger <python@rcn.com>
parents: 61463
diff changeset
551 if (rightblock->leftlink == NULL)
f6392c4ce619 Issue 11004: Fix edge case for deque.count().
Raymond Hettinger <python@rcn.com>
parents: 61463
diff changeset
552 break;
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
553 rightblock = rightblock->leftlink;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
554 rightindex = BLOCKLEN - 1;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
555 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
556 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
557 Py_RETURN_NONE;
57635
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
558 }
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
559
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
560 PyDoc_STRVAR(reverse_doc,
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
561 "D.reverse() -- reverse *IN PLACE*");
8276d00d3100 Add a reverse() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57634
diff changeset
562
60277
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
563 static PyObject *
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
564 deque_count(dequeobject *deque, PyObject *v)
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
565 {
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
566 block *leftblock = deque->leftblock;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
567 Py_ssize_t leftindex = deque->leftindex;
67765
f6392c4ce619 Issue 11004: Fix edge case for deque.count().
Raymond Hettinger <python@rcn.com>
parents: 61463
diff changeset
568 Py_ssize_t n = deque->len;
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
569 Py_ssize_t i;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
570 Py_ssize_t count = 0;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
571 PyObject *item;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
572 long start_state = deque->state;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
573 int cmp;
60277
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
574
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
575 for (i=0 ; i<n ; i++) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
576 item = leftblock->data[leftindex];
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
577 cmp = PyObject_RichCompareBool(item, v, Py_EQ);
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
578 if (cmp > 0)
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
579 count++;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
580 else if (cmp < 0)
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
581 return NULL;
60277
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
582
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
583 if (start_state != deque->state) {
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
584 PyErr_SetString(PyExc_RuntimeError,
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
585 "deque mutated during iteration");
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
586 return NULL;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
587 }
60277
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
588
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
589 /* Advance left block/index pair */
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
590 leftindex++;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
591 if (leftindex == BLOCKLEN) {
67765
f6392c4ce619 Issue 11004: Fix edge case for deque.count().
Raymond Hettinger <python@rcn.com>
parents: 61463
diff changeset
592 if (leftblock->rightlink == NULL) /* can occur when i==n-1 */
f6392c4ce619 Issue 11004: Fix edge case for deque.count().
Raymond Hettinger <python@rcn.com>
parents: 61463
diff changeset
593 break;
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
594 leftblock = leftblock->rightlink;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
595 leftindex = 0;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
596 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
597 }
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
598 return PyInt_FromSsize_t(count);
60277
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
599 }
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
600
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
601 PyDoc_STRVAR(count_doc,
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
602 "D.count(value) -> integer -- return number of occurrences of value");
c73a658da6fa Add count() method to collections.deque().
Raymond Hettinger <python@rcn.com>
parents: 57635
diff changeset
603
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
604 static Py_ssize_t
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
605 deque_len(dequeobject *deque)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
606 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
607 return deque->len;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
608 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
609
34771
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
610 static PyObject *
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
611 deque_remove(dequeobject *deque, PyObject *value)
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
612 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
613 Py_ssize_t i, n=deque->len;
34771
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
614
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
615 for (i=0 ; i<n ; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
616 PyObject *item = deque->leftblock->data[deque->leftindex];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
617 int cmp = PyObject_RichCompareBool(item, value, Py_EQ);
34772
2ee575b9b60e Apply remove's mutation test after every equality test.
Raymond Hettinger <python@rcn.com>
parents: 34771
diff changeset
618
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
619 if (deque->len != n) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
620 PyErr_SetString(PyExc_IndexError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
621 "deque mutated during remove().");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
622 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
623 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
624 if (cmp > 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
625 PyObject *tgt = deque_popleft(deque, NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
626 assert (tgt != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
627 Py_DECREF(tgt);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
628 if (_deque_rotate(deque, i) == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
629 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
630 Py_RETURN_NONE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
631 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
632 else if (cmp < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
633 _deque_rotate(deque, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
634 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
635 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
636 _deque_rotate(deque, -1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
637 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
638 PyErr_SetString(PyExc_ValueError, "deque.remove(x): x not in deque");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
639 return NULL;
34771
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
640 }
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
641
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
642 PyDoc_STRVAR(remove_doc,
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
643 "D.remove(value) -- remove first occurrence of value.");
fb39f4eeaea4 Add a remove() method to collections.deque objects.
Raymond Hettinger <python@rcn.com>
parents: 33949
diff changeset
644
81472
ad585b439d97 make deque_clear void, since it's infallible
Benjamin Peterson <benjamin@python.org>
parents: 81439
diff changeset
645 static void
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
646 deque_clear(dequeobject *deque)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
647 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
648 PyObject *item;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
649
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
650 while (deque->len) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
651 item = deque_pop(deque, NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
652 assert (item != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
653 Py_DECREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
654 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
655 assert(deque->leftblock == deque->rightblock &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
656 deque->leftindex - 1 == deque->rightindex &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
657 deque->len == 0);
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
658 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
659
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
660 static PyObject *
48059
b68704457efe Finish-up the partial conversion from int to Py_ssize_t for deque indices and length.
Raymond Hettinger <python@rcn.com>
parents: 47961
diff changeset
661 deque_item(dequeobject *deque, Py_ssize_t i)
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
662 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
663 block *b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
664 PyObject *item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
665 Py_ssize_t n, index=i;
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
666
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
667 if (i < 0 || i >= deque->len) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
668 PyErr_SetString(PyExc_IndexError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
669 "deque index out of range");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
670 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
671 }
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
672
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
673 if (i == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
674 i = deque->leftindex;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
675 b = deque->leftblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
676 } else if (i == deque->len - 1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
677 i = deque->rightindex;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
678 b = deque->rightblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
679 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
680 i += deque->leftindex;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
681 n = i / BLOCKLEN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
682 i %= BLOCKLEN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
683 if (index < (deque->len >> 1)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
684 b = deque->leftblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
685 while (n--)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
686 b = b->rightlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
687 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
688 n = (deque->leftindex + deque->len - 1) / BLOCKLEN - n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
689 b = deque->rightblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
690 while (n--)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
691 b = b->leftlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
692 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
693 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
694 item = b->data[i];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
695 Py_INCREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
696 return item;
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
697 }
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
698
32413
d7110bb6c13d Add a comment with implementation notes.
Raymond Hettinger <python@rcn.com>
parents: 32363
diff changeset
699 /* delitem() implemented in terms of rotate for simplicity and reasonable
d7110bb6c13d Add a comment with implementation notes.
Raymond Hettinger <python@rcn.com>
parents: 32363
diff changeset
700 performance near the end points. If for some reason this method becomes
33634
6bd4a1056716 Trimmed trailing whitespace.
Tim Peters <tim.peters@gmail.com>
parents: 32752
diff changeset
701 popular, it is not hard to re-implement this using direct data movement
32413
d7110bb6c13d Add a comment with implementation notes.
Raymond Hettinger <python@rcn.com>
parents: 32363
diff changeset
702 (similar to code in list slice assignment) and achieve a two or threefold
d7110bb6c13d Add a comment with implementation notes.
Raymond Hettinger <python@rcn.com>
parents: 32363
diff changeset
703 performance boost.
d7110bb6c13d Add a comment with implementation notes.
Raymond Hettinger <python@rcn.com>
parents: 32363
diff changeset
704 */
d7110bb6c13d Add a comment with implementation notes.
Raymond Hettinger <python@rcn.com>
parents: 32363
diff changeset
705
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
706 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
707 deque_del_item(dequeobject *deque, Py_ssize_t i)
32084
245835ed8de8 Make sure "del d[n]" is properly supported. Was necessary because the
Raymond Hettinger <python@rcn.com>
parents: 31908
diff changeset
708 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
709 PyObject *item;
32084
245835ed8de8 Make sure "del d[n]" is properly supported. Was necessary because the
Raymond Hettinger <python@rcn.com>
parents: 31908
diff changeset
710
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
711 assert (i >= 0 && i < deque->len);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
712 if (_deque_rotate(deque, -i) == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
713 return -1;
32084
245835ed8de8 Make sure "del d[n]" is properly supported. Was necessary because the
Raymond Hettinger <python@rcn.com>
parents: 31908
diff changeset
714
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
715 item = deque_popleft(deque, NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
716 assert (item != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
717 Py_DECREF(item);
32084
245835ed8de8 Make sure "del d[n]" is properly supported. Was necessary because the
Raymond Hettinger <python@rcn.com>
parents: 31908
diff changeset
718
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
719 return _deque_rotate(deque, i);
32084
245835ed8de8 Make sure "del d[n]" is properly supported. Was necessary because the
Raymond Hettinger <python@rcn.com>
parents: 31908
diff changeset
720 }
245835ed8de8 Make sure "del d[n]" is properly supported. Was necessary because the
Raymond Hettinger <python@rcn.com>
parents: 31908
diff changeset
721
245835ed8de8 Make sure "del d[n]" is properly supported. Was necessary because the
Raymond Hettinger <python@rcn.com>
parents: 31908
diff changeset
722 static int
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36484
diff changeset
723 deque_ass_item(dequeobject *deque, Py_ssize_t i, PyObject *v)
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
724 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
725 PyObject *old_value;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
726 block *b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
727 Py_ssize_t n, len=deque->len, halflen=(len+1)>>1, index=i;
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
728
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
729 if (i < 0 || i >= len) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
730 PyErr_SetString(PyExc_IndexError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
731 "deque index out of range");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
732 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
733 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
734 if (v == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
735 return deque_del_item(deque, i);
32084
245835ed8de8 Make sure "del d[n]" is properly supported. Was necessary because the
Raymond Hettinger <python@rcn.com>
parents: 31908
diff changeset
736
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
737 i += deque->leftindex;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
738 n = i / BLOCKLEN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
739 i %= BLOCKLEN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
740 if (index <= halflen) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
741 b = deque->leftblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
742 while (n--)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
743 b = b->rightlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
744 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
745 n = (deque->leftindex + len - 1) / BLOCKLEN - n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
746 b = deque->rightblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
747 while (n--)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
748 b = b->leftlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
749 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
750 Py_INCREF(v);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
751 old_value = b->data[i];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
752 b->data[i] = v;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
753 Py_DECREF(old_value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
754 return 0;
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
755 }
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
756
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
757 static PyObject *
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
758 deque_clearmethod(dequeobject *deque)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
759 {
81472
ad585b439d97 make deque_clear void, since it's infallible
Benjamin Peterson <benjamin@python.org>
parents: 81439
diff changeset
760 deque_clear(deque);
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
761 Py_RETURN_NONE;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
762 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
763
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
764 PyDoc_STRVAR(clear_doc, "Remove all elements from the deque.");
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
765
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
766 static void
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
767 deque_dealloc(dequeobject *deque)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
768 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
769 PyObject_GC_UnTrack(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
770 if (deque->weakreflist != NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
771 PyObject_ClearWeakRefs((PyObject *) deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
772 if (deque->leftblock != NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
773 deque_clear(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
774 assert(deque->leftblock != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
775 freeblock(deque->leftblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
776 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
777 deque->leftblock = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
778 deque->rightblock = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
779 Py_TYPE(deque)->tp_free(deque);
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
780 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
781
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
782 static int
31607
8ecee8f47108 Replace left(), right(), and __reversed__() with the more general purpose
Raymond Hettinger <python@rcn.com>
parents: 31605
diff changeset
783 deque_traverse(dequeobject *deque, visitproc visit, void *arg)
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
784 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
785 block *b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
786 PyObject *item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
787 Py_ssize_t index;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
788 Py_ssize_t indexlo = deque->leftindex;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
789
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
790 for (b = deque->leftblock; b != NULL; b = b->rightlink) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
791 const Py_ssize_t indexhi = b == deque->rightblock ?
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
792 deque->rightindex :
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
793 BLOCKLEN - 1;
33639
40350fbe665d deque_traverse(): If the deque had one block, and its rightindex was
Tim Peters <tim.peters@gmail.com>
parents: 33638
diff changeset
794
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
795 for (index = indexlo; index <= indexhi; ++index) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
796 item = b->data[index];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
797 Py_VISIT(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
798 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
799 indexlo = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
800 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
801 return 0;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
802 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
803
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
804 static PyObject *
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
805 deque_copy(PyObject *deque)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
806 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
807 if (((dequeobject *)deque)->maxlen == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
808 return PyObject_CallFunction((PyObject *)(Py_TYPE(deque)), "O", deque, NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
809 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
810 return PyObject_CallFunction((PyObject *)(Py_TYPE(deque)), "Oi",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
811 deque, ((dequeobject *)deque)->maxlen, NULL);
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
812 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
813
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
814 PyDoc_STRVAR(copy_doc, "Return a shallow copy of a deque.");
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
815
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
816 static PyObject *
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
817 deque_reduce(dequeobject *deque)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
818 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
819 PyObject *dict, *result, *aslist;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
820
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
821 dict = PyObject_GetAttrString((PyObject *)deque, "__dict__");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
822 if (dict == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
823 PyErr_Clear();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
824 aslist = PySequence_List((PyObject *)deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
825 if (aslist == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
826 Py_XDECREF(dict);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
827 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
828 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
829 if (dict == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
830 if (deque->maxlen == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
831 result = Py_BuildValue("O(O)", Py_TYPE(deque), aslist);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
832 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
833 result = Py_BuildValue("O(On)", Py_TYPE(deque), aslist, deque->maxlen);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
834 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
835 if (deque->maxlen == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
836 result = Py_BuildValue("O(OO)O", Py_TYPE(deque), aslist, Py_None, dict);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
837 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
838 result = Py_BuildValue("O(On)O", Py_TYPE(deque), aslist, deque->maxlen, dict);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
839 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
840 Py_XDECREF(dict);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
841 Py_DECREF(aslist);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
842 return result;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
843 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
844
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
845 PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
846
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
847 static PyObject *
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
848 deque_repr(PyObject *deque)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
849 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
850 PyObject *aslist, *result, *fmt;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
851 int i;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
852
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
853 i = Py_ReprEnter(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
854 if (i != 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
855 if (i < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
856 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
857 return PyString_FromString("[...]");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
858 }
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
859
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
860 aslist = PySequence_List(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
861 if (aslist == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
862 Py_ReprLeave(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
863 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
864 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
865 if (((dequeobject *)deque)->maxlen != -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
866 fmt = PyString_FromFormat("deque(%%r, maxlen=%zd)",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
867 ((dequeobject *)deque)->maxlen);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
868 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
869 fmt = PyString_FromString("deque(%r)");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
870 if (fmt == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
871 Py_DECREF(aslist);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
872 Py_ReprLeave(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
873 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
874 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
875 result = PyString_Format(fmt, aslist);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
876 Py_DECREF(fmt);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
877 Py_DECREF(aslist);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
878 Py_ReprLeave(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
879 return result;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
880 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
881
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
882 static int
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
883 deque_tp_print(PyObject *deque, FILE *fp, int flags)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
884 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
885 PyObject *it, *item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
886 char *emit = ""; /* No separator emitted on first pass */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
887 char *separator = ", ";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
888 int i;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
889
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
890 i = Py_ReprEnter(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
891 if (i != 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
892 if (i < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
893 return i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
894 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
895 fputs("[...]", fp);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
896 Py_END_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
897 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
898 }
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
899
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
900 it = PyObject_GetIter(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
901 if (it == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
902 return -1;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
903
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
904 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
905 fputs("deque([", fp);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
906 Py_END_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
907 while ((item = PyIter_Next(it)) != NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
908 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
909 fputs(emit, fp);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
910 Py_END_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
911 emit = separator;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
912 if (PyObject_Print(item, fp, 0) != 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
913 Py_DECREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
914 Py_DECREF(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
915 Py_ReprLeave(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
916 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
917 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
918 Py_DECREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
919 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
920 Py_ReprLeave(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
921 Py_DECREF(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
922 if (PyErr_Occurred())
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
923 return -1;
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
924
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
925 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
926 if (((dequeobject *)deque)->maxlen == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
927 fputs("])", fp);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
928 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
929 fprintf(fp, "], maxlen=%" PY_FORMAT_SIZE_T "d)", ((dequeobject *)deque)->maxlen);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
930 Py_END_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
931 return 0;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
932 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
933
31603
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
934 static PyObject *
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
935 deque_richcompare(PyObject *v, PyObject *w, int op)
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
936 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
937 PyObject *it1=NULL, *it2=NULL, *x, *y;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
938 Py_ssize_t vs, ws;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
939 int b, cmp=-1;
31603
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
940
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
941 if (!PyObject_TypeCheck(v, &deque_type) ||
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
942 !PyObject_TypeCheck(w, &deque_type)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
943 Py_INCREF(Py_NotImplemented);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
944 return Py_NotImplemented;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
945 }
31603
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
946
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
947 /* Shortcuts */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
948 vs = ((dequeobject *)v)->len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
949 ws = ((dequeobject *)w)->len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
950 if (op == Py_EQ) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
951 if (v == w)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
952 Py_RETURN_TRUE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
953 if (vs != ws)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
954 Py_RETURN_FALSE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
955 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
956 if (op == Py_NE) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
957 if (v == w)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
958 Py_RETURN_FALSE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
959 if (vs != ws)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
960 Py_RETURN_TRUE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
961 }
31603
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
962
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
963 /* Search for the first index where items are different */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
964 it1 = PyObject_GetIter(v);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
965 if (it1 == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
966 goto done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
967 it2 = PyObject_GetIter(w);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
968 if (it2 == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
969 goto done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
970 for (;;) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
971 x = PyIter_Next(it1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
972 if (x == NULL && PyErr_Occurred())
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
973 goto done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
974 y = PyIter_Next(it2);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
975 if (x == NULL || y == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
976 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
977 b = PyObject_RichCompareBool(x, y, Py_EQ);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
978 if (b == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
979 cmp = PyObject_RichCompareBool(x, y, op);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
980 Py_DECREF(x);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
981 Py_DECREF(y);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
982 goto done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
983 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
984 Py_DECREF(x);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
985 Py_DECREF(y);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
986 if (b == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
987 goto done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
988 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
989 /* We reached the end of one deque or both */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
990 Py_XDECREF(x);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
991 Py_XDECREF(y);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
992 if (PyErr_Occurred())
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
993 goto done;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
994 switch (op) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
995 case Py_LT: cmp = y != NULL; break; /* if w was longer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
996 case Py_LE: cmp = x == NULL; break; /* if v was not longer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
997 case Py_EQ: cmp = x == y; break; /* if we reached the end of both */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
998 case Py_NE: cmp = x != y; break; /* if one deque continues */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
999 case Py_GT: cmp = x != NULL; break; /* if v was longer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1000 case Py_GE: cmp = y == NULL; break; /* if w was not longer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1001 }
33634
6bd4a1056716 Trimmed trailing whitespace.
Tim Peters <tim.peters@gmail.com>
parents: 32752
diff changeset
1002
31603
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
1003 done:
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1004 Py_XDECREF(it1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1005 Py_XDECREF(it2);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1006 if (cmp == 1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1007 Py_RETURN_TRUE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1008 if (cmp == 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1009 Py_RETURN_FALSE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1010 return NULL;
31603
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
1011 }
15553a1b7a17 Improvements to collections.deque():
Raymond Hettinger <python@rcn.com>
parents: 31595
diff changeset
1012
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1013 static int
43466
73f49656420b Add __asdict__() to NamedTuple and refine the docs.
Raymond Hettinger <python@rcn.com>
parents: 43378
diff changeset
1014 deque_init(dequeobject *deque, PyObject *args, PyObject *kwdargs)
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1015 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1016 PyObject *iterable = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1017 PyObject *maxlenobj = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1018 Py_ssize_t maxlen = -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1019 char *kwlist[] = {"iterable", "maxlen", 0};
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1020
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1021 if (!PyArg_ParseTupleAndKeywords(args, kwdargs, "|OO:deque", kwlist, &iterable, &maxlenobj))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1022 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1023 if (maxlenobj != NULL && maxlenobj != Py_None) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1024 maxlen = PyInt_AsSsize_t(maxlenobj);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1025 if (maxlen == -1 && PyErr_Occurred())
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1026 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1027 if (maxlen < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1028 PyErr_SetString(PyExc_ValueError, "maxlen must be non-negative");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1029 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1030 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1031 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1032 deque->maxlen = maxlen;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1033 deque_clear(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1034 if (iterable != NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1035 PyObject *rv = deque_extend(deque, iterable);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1036 if (rv == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1037 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1038 Py_DECREF(rv);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1039 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1040 return 0;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1041 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1042
52119
b0911b5a002e For collections.deque() objects, expose the maxlen parameter as a read-only attribute.
Raymond Hettinger <python@rcn.com>
parents: 52117
diff changeset
1043 static PyObject *
78393
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1044 deque_sizeof(dequeobject *deque, void *unused)
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1045 {
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1046 Py_ssize_t res;
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1047 Py_ssize_t blocks;
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1048
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1049 res = sizeof(dequeobject);
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1050 blocks = (deque->leftindex + deque->len + BLOCKLEN - 1) / BLOCKLEN;
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1051 assert(deque->leftindex + deque->len - 1 ==
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1052 (blocks - 1) * BLOCKLEN + deque->rightindex);
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1053 res += blocks * sizeof(block);
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1054 return PyLong_FromSsize_t(res);
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1055 }
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1056
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1057 PyDoc_STRVAR(sizeof_doc,
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1058 "D.__sizeof__() -- size of D in memory, in bytes");
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1059
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1060 static PyObject *
52119
b0911b5a002e For collections.deque() objects, expose the maxlen parameter as a read-only attribute.
Raymond Hettinger <python@rcn.com>
parents: 52117
diff changeset
1061 deque_get_maxlen(dequeobject *deque)
b0911b5a002e For collections.deque() objects, expose the maxlen parameter as a read-only attribute.
Raymond Hettinger <python@rcn.com>
parents: 52117
diff changeset
1062 {
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1063 if (deque->maxlen == -1)
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1064 Py_RETURN_NONE;
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1065 return PyInt_FromSsize_t(deque->maxlen);
52119
b0911b5a002e For collections.deque() objects, expose the maxlen parameter as a read-only attribute.
Raymond Hettinger <python@rcn.com>
parents: 52117
diff changeset
1066 }
b0911b5a002e For collections.deque() objects, expose the maxlen parameter as a read-only attribute.
Raymond Hettinger <python@rcn.com>
parents: 52117
diff changeset
1067
b0911b5a002e For collections.deque() objects, expose the maxlen parameter as a read-only attribute.
Raymond Hettinger <python@rcn.com>
parents: 52117
diff changeset
1068 static PyGetSetDef deque_getset[] = {
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1069 {"maxlen", (getter)deque_get_maxlen, (setter)NULL,
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1070 "maximum size of a deque or None if unbounded"},
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1071 {0}
52119
b0911b5a002e For collections.deque() objects, expose the maxlen parameter as a read-only attribute.
Raymond Hettinger <python@rcn.com>
parents: 52117
diff changeset
1072 };
b0911b5a002e For collections.deque() objects, expose the maxlen parameter as a read-only attribute.
Raymond Hettinger <python@rcn.com>
parents: 52117
diff changeset
1073
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1074 static PySequenceMethods deque_as_sequence = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1075 (lenfunc)deque_len, /* sq_length */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1076 0, /* sq_concat */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1077 0, /* sq_repeat */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1078 (ssizeargfunc)deque_item, /* sq_item */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1079 0, /* sq_slice */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1080 (ssizeobjargproc)deque_ass_item, /* sq_ass_item */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1081 0, /* sq_ass_slice */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1082 0, /* sq_contains */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1083 (binaryfunc)deque_inplace_concat, /* sq_inplace_concat */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1084 0, /* sq_inplace_repeat */
57633
b5a4acbeaaa1 Fix variants of deque.extend: d.extend(d) d+=d d.extendleft(d)
Raymond Hettinger <python@rcn.com>
parents: 55534
diff changeset
1085
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1086 };
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1087
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1088 /* deque object ********************************************************/
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1089
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1090 static PyObject *deque_iter(dequeobject *deque);
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1091 static PyObject *deque_reviter(dequeobject *deque);
33634
6bd4a1056716 Trimmed trailing whitespace.
Tim Peters <tim.peters@gmail.com>
parents: 32752
diff changeset
1092 PyDoc_STRVAR(reversed_doc,
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1093 "D.__reversed__() -- return a reverse iterator over the deque");
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1094
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1095 static PyMethodDef deque_methods[] = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1096 {"append", (PyCFunction)deque_append,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1097 METH_O, append_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1098 {"appendleft", (PyCFunction)deque_appendleft,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1099 METH_O, appendleft_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1100 {"clear", (PyCFunction)deque_clearmethod,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1101 METH_NOARGS, clear_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1102 {"__copy__", (PyCFunction)deque_copy,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1103 METH_NOARGS, copy_doc},
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1104 {"count", (PyCFunction)deque_count,
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1105 METH_O, count_doc},
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1106 {"extend", (PyCFunction)deque_extend,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1107 METH_O, extend_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1108 {"extendleft", (PyCFunction)deque_extendleft,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1109 METH_O, extendleft_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1110 {"pop", (PyCFunction)deque_pop,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1111 METH_NOARGS, pop_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1112 {"popleft", (PyCFunction)deque_popleft,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1113 METH_NOARGS, popleft_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1114 {"__reduce__", (PyCFunction)deque_reduce,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1115 METH_NOARGS, reduce_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1116 {"remove", (PyCFunction)deque_remove,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1117 METH_O, remove_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1118 {"__reversed__", (PyCFunction)deque_reviter,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1119 METH_NOARGS, reversed_doc},
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1120 {"reverse", (PyCFunction)deque_reverse,
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1121 METH_NOARGS, reverse_doc},
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1122 {"rotate", (PyCFunction)deque_rotate,
78393
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1123 METH_VARARGS, rotate_doc},
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1124 {"__sizeof__", (PyCFunction)deque_sizeof,
a3d49f1de893 Closes #15469: Correct __sizeof__ support for deque
Jesus Cea <jcea@jcea.es>
parents: 74938
diff changeset
1125 METH_NOARGS, sizeof_doc},
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1126 {NULL, NULL} /* sentinel */
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1127 };
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1128
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1129 PyDoc_STRVAR(deque_doc,
80082
96c02b5a4e8d Fix docstring for deque ctor to mark iterable parameter optional
Andrew Svetlov <andrew.svetlov@gmail.com>
parents: 78393
diff changeset
1130 "deque([iterable[, maxlen]]) --> deque object\n\
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1131 \n\
69058
f4e6e18cae4b Issue 11713: clarify docstring for collections.deque()
Raymond Hettinger <python@rcn.com>
parents: 68256
diff changeset
1132 Build an ordered collection with optimized access from its endpoints.");
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1133
31605
2fed331de014 Make deque_type static so namespace is not polluted.
Neal Norwitz <nnorwitz@gmail.com>
parents: 31603
diff changeset
1134 static PyTypeObject deque_type = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1135 PyVarObject_HEAD_INIT(NULL, 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1136 "collections.deque", /* tp_name */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1137 sizeof(dequeobject), /* tp_basicsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1138 0, /* tp_itemsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1139 /* methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1140 (destructor)deque_dealloc, /* tp_dealloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1141 deque_tp_print, /* tp_print */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1142 0, /* tp_getattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1143 0, /* tp_setattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1144 0, /* tp_compare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1145 deque_repr, /* tp_repr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1146 0, /* tp_as_number */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1147 &deque_as_sequence, /* tp_as_sequence */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1148 0, /* tp_as_mapping */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1149 (hashfunc)PyObject_HashNotImplemented, /* tp_hash */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1150 0, /* tp_call */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1151 0, /* tp_str */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1152 PyObject_GenericGetAttr, /* tp_getattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1153 0, /* tp_setattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1154 0, /* tp_as_buffer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1155 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC |
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1156 Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1157 deque_doc, /* tp_doc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1158 (traverseproc)deque_traverse, /* tp_traverse */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1159 (inquiry)deque_clear, /* tp_clear */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1160 (richcmpfunc)deque_richcompare, /* tp_richcompare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1161 offsetof(dequeobject, weakreflist), /* tp_weaklistoffset*/
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1162 (getiterfunc)deque_iter, /* tp_iter */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1163 0, /* tp_iternext */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1164 deque_methods, /* tp_methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1165 0, /* tp_members */
61463
fd25030223b0 Untabify C files. Will watch buildbots.
Antoine Pitrou <solipsis@pitrou.net>
parents: 60277
diff changeset
1166 deque_getset, /* tp_getset */
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1167 0, /* tp_base */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1168 0, /* tp_dict */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1169 0, /* tp_descr_get */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1170 0, /* tp_descr_set */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1171 0, /* tp_dictoffset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1172 (initproc)deque_init, /* tp_init */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1173 PyType_GenericAlloc, /* tp_alloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1174 deque_new, /* tp_new */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1175 PyObject_GC_Del, /* tp_free */
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1176 };
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1177
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1178 /*********************** Deque Iterator **************************/
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1179
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1180 typedef struct {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1181 PyObject_HEAD
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1182 Py_ssize_t index;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1183 block *b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1184 dequeobject *deque;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1185 long state; /* state when the iterator is created */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1186 Py_ssize_t counter; /* number of items remaining for iteration */
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1187 } dequeiterobject;
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1188
47678
a35da94e05fc Make more symbols static.
Martin v. Löwis <martin@v.loewis.de>
parents: 47527
diff changeset
1189 static PyTypeObject dequeiter_type;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1190
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1191 static PyObject *
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1192 deque_iter(dequeobject *deque)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1193 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1194 dequeiterobject *it;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1195
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1196 it = PyObject_GC_New(dequeiterobject, &dequeiter_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1197 if (it == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1198 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1199 it->b = deque->leftblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1200 it->index = deque->leftindex;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1201 Py_INCREF(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1202 it->deque = deque;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1203 it->state = deque->state;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1204 it->counter = deque->len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1205 PyObject_GC_Track(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1206 return (PyObject *)it;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1207 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1208
50424
df3923c36ec5 Merged revisions 67952-67953,67955,67957-67958,67960-67961,67963,67965,67967,67970-67971,67973,67982,67988,67990,67995,68014,68016,68030,68057,68061,68112,68115-68118,68120-68121,68123-68128 via svnmerge from
Georg Brandl <georg@python.org>
parents: 49138
diff changeset
1209 static int
df3923c36ec5 Merged revisions 67952-67953,67955,67957-67958,67960-67961,67963,67965,67967,67970-67971,67973,67982,67988,67990,67995,68014,68016,68030,68057,68061,68112,68115-68118,68120-68121,68123-68128 via svnmerge from
Georg Brandl <georg@python.org>
parents: 49138
diff changeset
1210 dequeiter_traverse(dequeiterobject *dio, visitproc visit, void *arg)
df3923c36ec5 Merged revisions 67952-67953,67955,67957-67958,67960-67961,67963,67965,67967,67970-67971,67973,67982,67988,67990,67995,68014,68016,68030,68057,68061,68112,68115-68118,68120-68121,68123-68128 via svnmerge from
Georg Brandl <georg@python.org>
parents: 49138
diff changeset
1211 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1212 Py_VISIT(dio->deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1213 return 0;
50424
df3923c36ec5 Merged revisions 67952-67953,67955,67957-67958,67960-67961,67963,67965,67967,67970-67971,67973,67982,67988,67990,67995,68014,68016,68030,68057,68061,68112,68115-68118,68120-68121,68123-68128 via svnmerge from
Georg Brandl <georg@python.org>
parents: 49138
diff changeset
1214 }
df3923c36ec5 Merged revisions 67952-67953,67955,67957-67958,67960-67961,67963,67965,67967,67970-67971,67973,67982,67988,67990,67995,68014,68016,68030,68057,68061,68112,68115-68118,68120-68121,68123-68128 via svnmerge from
Georg Brandl <georg@python.org>
parents: 49138
diff changeset
1215
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1216 static void
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1217 dequeiter_dealloc(dequeiterobject *dio)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1218 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1219 Py_XDECREF(dio->deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1220 PyObject_GC_Del(dio);
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1221 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1222
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1223 static PyObject *
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1224 dequeiter_next(dequeiterobject *it)
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1225 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1226 PyObject *item;
33644
00c36e1bc50b * Bulletproof the method for detecting mutations during iteration.
Raymond Hettinger <python@rcn.com>
parents: 33643
diff changeset
1227
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1228 if (it->deque->state != it->state) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1229 it->counter = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1230 PyErr_SetString(PyExc_RuntimeError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1231 "deque mutated during iteration");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1232 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1233 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1234 if (it->counter == 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1235 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1236 assert (!(it->b == it->deque->rightblock &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1237 it->index > it->deque->rightindex));
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1238
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1239 item = it->b->data[it->index];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1240 it->index++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1241 it->counter--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1242 if (it->index == BLOCKLEN && it->counter > 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1243 assert (it->b->rightlink != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1244 it->b = it->b->rightlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1245 it->index = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1246 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1247 Py_INCREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1248 return item;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1249 }
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1250
35636
e22334b1da67 Convert iterator __len__() methods to a private API.
Raymond Hettinger <python@rcn.com>
parents: 35449
diff changeset
1251 static PyObject *
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1252 dequeiter_len(dequeiterobject *it)
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1253 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1254 return PyInt_FromLong(it->counter);
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1255 }
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1256
36484
20f75d5e79e9 Renamed _length_cue() to __length_hint__(). See:
Armin Rigo <arigo@tunes.org>
parents: 36324
diff changeset
1257 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
1258
e22334b1da67 Convert iterator __len__() methods to a private API.
Raymond Hettinger <python@rcn.com>
parents: 35449
diff changeset
1259 static PyMethodDef dequeiter_methods[] = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1260 {"__length_hint__", (PyCFunction)dequeiter_len, METH_NOARGS, length_hint_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1261 {NULL, NULL} /* sentinel */
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1262 };
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1263
47678
a35da94e05fc Make more symbols static.
Martin v. Löwis <martin@v.loewis.de>
parents: 47527
diff changeset
1264 static PyTypeObject dequeiter_type = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1265 PyVarObject_HEAD_INIT(NULL, 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1266 "deque_iterator", /* tp_name */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1267 sizeof(dequeiterobject), /* tp_basicsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1268 0, /* tp_itemsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1269 /* methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1270 (destructor)dequeiter_dealloc, /* tp_dealloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1271 0, /* tp_print */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1272 0, /* tp_getattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1273 0, /* tp_setattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1274 0, /* tp_compare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1275 0, /* tp_repr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1276 0, /* tp_as_number */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1277 0, /* tp_as_sequence */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1278 0, /* tp_as_mapping */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1279 0, /* tp_hash */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1280 0, /* tp_call */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1281 0, /* tp_str */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1282 PyObject_GenericGetAttr, /* tp_getattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1283 0, /* tp_setattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1284 0, /* tp_as_buffer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1285 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1286 0, /* tp_doc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1287 (traverseproc)dequeiter_traverse, /* tp_traverse */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1288 0, /* tp_clear */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1289 0, /* tp_richcompare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1290 0, /* tp_weaklistoffset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1291 PyObject_SelfIter, /* tp_iter */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1292 (iternextfunc)dequeiter_next, /* tp_iternext */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1293 dequeiter_methods, /* tp_methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1294 0,
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1295 };
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1296
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1297 /*********************** Deque Reverse Iterator **************************/
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1298
47678
a35da94e05fc Make more symbols static.
Martin v. Löwis <martin@v.loewis.de>
parents: 47527
diff changeset
1299 static PyTypeObject dequereviter_type;
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1300
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1301 static PyObject *
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1302 deque_reviter(dequeobject *deque)
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1303 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1304 dequeiterobject *it;
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1305
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1306 it = PyObject_GC_New(dequeiterobject, &dequereviter_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1307 if (it == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1308 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1309 it->b = deque->rightblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1310 it->index = deque->rightindex;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1311 Py_INCREF(deque);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1312 it->deque = deque;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1313 it->state = deque->state;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1314 it->counter = deque->len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1315 PyObject_GC_Track(it);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1316 return (PyObject *)it;
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1317 }
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1318
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1319 static PyObject *
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1320 dequereviter_next(dequeiterobject *it)
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1321 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1322 PyObject *item;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1323 if (it->counter == 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1324 return NULL;
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1325
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1326 if (it->deque->state != it->state) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1327 it->counter = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1328 PyErr_SetString(PyExc_RuntimeError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1329 "deque mutated during iteration");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1330 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1331 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1332 assert (!(it->b == it->deque->leftblock &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1333 it->index < it->deque->leftindex));
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1334
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1335 item = it->b->data[it->index];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1336 it->index--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1337 it->counter--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1338 if (it->index == -1 && it->counter > 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1339 assert (it->b->leftlink != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1340 it->b = it->b->leftlink;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1341 it->index = BLOCKLEN - 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1342 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1343 Py_INCREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1344 return item;
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1345 }
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1346
47678
a35da94e05fc Make more symbols static.
Martin v. Löwis <martin@v.loewis.de>
parents: 47527
diff changeset
1347 static PyTypeObject dequereviter_type = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1348 PyVarObject_HEAD_INIT(NULL, 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1349 "deque_reverse_iterator", /* tp_name */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1350 sizeof(dequeiterobject), /* tp_basicsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1351 0, /* tp_itemsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1352 /* methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1353 (destructor)dequeiter_dealloc, /* tp_dealloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1354 0, /* tp_print */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1355 0, /* tp_getattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1356 0, /* tp_setattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1357 0, /* tp_compare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1358 0, /* tp_repr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1359 0, /* tp_as_number */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1360 0, /* tp_as_sequence */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1361 0, /* tp_as_mapping */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1362 0, /* tp_hash */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1363 0, /* tp_call */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1364 0, /* tp_str */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1365 PyObject_GenericGetAttr, /* tp_getattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1366 0, /* tp_setattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1367 0, /* tp_as_buffer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1368 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,/* tp_flags */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1369 0, /* tp_doc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1370 (traverseproc)dequeiter_traverse, /* tp_traverse */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1371 0, /* tp_clear */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1372 0, /* tp_richcompare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1373 0, /* tp_weaklistoffset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1374 PyObject_SelfIter, /* tp_iter */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1375 (iternextfunc)dequereviter_next, /* tp_iternext */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1376 dequeiter_methods, /* tp_methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1377 0,
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1378 };
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1379
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1380 /* defaultdict type *********************************************************/
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1381
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1382 typedef struct {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1383 PyDictObject dict;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1384 PyObject *default_factory;
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1385 } defdictobject;
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1386
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1387 static PyTypeObject defdict_type; /* Forward */
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1388
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1389 PyDoc_STRVAR(defdict_missing_doc,
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1390 "__missing__(key) # Called by __getitem__ for missing key; pseudo-code:\n\
41019
b0f26a7813c9 Fix another reincarnation of bug #1576657 in defaultdict.
Georg Brandl <georg@python.org>
parents: 40989
diff changeset
1391 if self.default_factory is None: raise KeyError((key,))\n\
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1392 self[key] = value = self.default_factory()\n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1393 return value\n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1394 ");
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1395
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1396 static PyObject *
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1397 defdict_missing(defdictobject *dd, PyObject *key)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1398 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1399 PyObject *factory = dd->default_factory;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1400 PyObject *value;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1401 if (factory == NULL || factory == Py_None) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1402 /* XXX Call dict.__missing__(key) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1403 PyObject *tup;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1404 tup = PyTuple_Pack(1, key);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1405 if (!tup) return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1406 PyErr_SetObject(PyExc_KeyError, tup);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1407 Py_DECREF(tup);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1408 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1409 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1410 value = PyEval_CallObject(factory, NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1411 if (value == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1412 return value;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1413 if (PyObject_SetItem((PyObject *)dd, key, value) < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1414 Py_DECREF(value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1415 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1416 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1417 return value;
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1418 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1419
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1420 PyDoc_STRVAR(defdict_copy_doc, "D.copy() -> a shallow copy of D.");
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1421
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1422 static PyObject *
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1423 defdict_copy(defdictobject *dd)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1424 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1425 /* This calls the object's class. That only works for subclasses
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1426 whose class constructor has the same signature. Subclasses that
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1427 define a different constructor signature must override copy().
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1428 */
55534
dd4da75ebc97 Issue 6637: defaultdict.copy() failed with an empty factory.
Raymond Hettinger <python@rcn.com>
parents: 50522
diff changeset
1429
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1430 if (dd->default_factory == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1431 return PyObject_CallFunctionObjArgs((PyObject*)Py_TYPE(dd), Py_None, dd, NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1432 return PyObject_CallFunctionObjArgs((PyObject*)Py_TYPE(dd),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1433 dd->default_factory, dd, NULL);
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1434 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1435
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1436 static PyObject *
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1437 defdict_reduce(defdictobject *dd)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1438 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1439 /* __reduce__ must return a 5-tuple as follows:
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1440
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1441 - factory function
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1442 - tuple of args for the factory function
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1443 - additional state (here None)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1444 - sequence iterator (here None)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1445 - dictionary iterator (yielding successive (key, value) pairs
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1446
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1447 This API is used by pickle.py and copy.py.
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1448
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1449 For this to be useful with pickle.py, the default_factory
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1450 must be picklable; e.g., None, a built-in, or a global
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1451 function in a module or package.
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1452
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1453 Both shallow and deep copying are supported, but for deep
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1454 copying, the default_factory must be deep-copyable; e.g. None,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1455 or a built-in (functions are not copyable at this time).
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1456
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1457 This only works for subclasses as long as their constructor
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1458 signature is compatible; the first argument must be the
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1459 optional default_factory, defaulting to None.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1460 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1461 PyObject *args;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1462 PyObject *items;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1463 PyObject *result;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1464 if (dd->default_factory == NULL || dd->default_factory == Py_None)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1465 args = PyTuple_New(0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1466 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1467 args = PyTuple_Pack(1, dd->default_factory);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1468 if (args == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1469 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1470 items = PyObject_CallMethod((PyObject *)dd, "iteritems", "()");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1471 if (items == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1472 Py_DECREF(args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1473 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1474 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1475 result = PyTuple_Pack(5, Py_TYPE(dd), args,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1476 Py_None, Py_None, items);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1477 Py_DECREF(items);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1478 Py_DECREF(args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1479 return result;
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1480 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1481
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1482 static PyMethodDef defdict_methods[] = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1483 {"__missing__", (PyCFunction)defdict_missing, METH_O,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1484 defdict_missing_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1485 {"copy", (PyCFunction)defdict_copy, METH_NOARGS,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1486 defdict_copy_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1487 {"__copy__", (PyCFunction)defdict_copy, METH_NOARGS,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1488 defdict_copy_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1489 {"__reduce__", (PyCFunction)defdict_reduce, METH_NOARGS,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1490 reduce_doc},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1491 {NULL}
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1492 };
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1493
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1494 static PyMemberDef defdict_members[] = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1495 {"default_factory", T_OBJECT,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1496 offsetof(defdictobject, default_factory), 0,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1497 PyDoc_STR("Factory for default value called by __missing__().")},
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1498 {NULL}
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1499 };
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1500
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1501 static void
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1502 defdict_dealloc(defdictobject *dd)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1503 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1504 Py_CLEAR(dd->default_factory);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1505 PyDict_Type.tp_dealloc((PyObject *)dd);
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1506 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1507
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1508 static int
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1509 defdict_print(defdictobject *dd, FILE *fp, int flags)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1510 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1511 int sts;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1512 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1513 fprintf(fp, "defaultdict(");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1514 Py_END_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1515 if (dd->default_factory == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1516 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1517 fprintf(fp, "None");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1518 Py_END_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1519 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1520 PyObject_Print(dd->default_factory, fp, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1521 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1522 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1523 fprintf(fp, ", ");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1524 Py_END_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1525 sts = PyDict_Type.tp_print((PyObject *)dd, fp, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1526 Py_BEGIN_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1527 fprintf(fp, ")");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1528 Py_END_ALLOW_THREADS
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1529 return sts;
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1530 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1531
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1532 static PyObject *
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1533 defdict_repr(defdictobject *dd)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1534 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1535 PyObject *defrepr;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1536 PyObject *baserepr;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1537 PyObject *result;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1538 baserepr = PyDict_Type.tp_repr((PyObject *)dd);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1539 if (baserepr == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1540 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1541 if (dd->default_factory == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1542 defrepr = PyString_FromString("None");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1543 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1544 {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1545 int status = Py_ReprEnter(dd->default_factory);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1546 if (status != 0) {
74938
7611fb3e19c6 Issue #13015: Fix a possible reference leak in defaultdict.__repr__.
Antoine Pitrou <solipsis@pitrou.net>
parents: 69058
diff changeset
1547 if (status < 0) {
7611fb3e19c6 Issue #13015: Fix a possible reference leak in defaultdict.__repr__.
Antoine Pitrou <solipsis@pitrou.net>
parents: 69058
diff changeset
1548 Py_DECREF(baserepr);
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1549 return NULL;
74938
7611fb3e19c6 Issue #13015: Fix a possible reference leak in defaultdict.__repr__.
Antoine Pitrou <solipsis@pitrou.net>
parents: 69058
diff changeset
1550 }
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1551 defrepr = PyString_FromString("...");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1552 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1553 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1554 defrepr = PyObject_Repr(dd->default_factory);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1555 Py_ReprLeave(dd->default_factory);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1556 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1557 if (defrepr == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1558 Py_DECREF(baserepr);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1559 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1560 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1561 result = PyString_FromFormat("defaultdict(%s, %s)",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1562 PyString_AS_STRING(defrepr),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1563 PyString_AS_STRING(baserepr));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1564 Py_DECREF(defrepr);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1565 Py_DECREF(baserepr);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1566 return result;
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1567 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1568
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1569 static int
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1570 defdict_traverse(PyObject *self, visitproc visit, void *arg)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1571 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1572 Py_VISIT(((defdictobject *)self)->default_factory);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1573 return PyDict_Type.tp_traverse(self, visit, arg);
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1574 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1575
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1576 static int
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1577 defdict_tp_clear(defdictobject *dd)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1578 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1579 Py_CLEAR(dd->default_factory);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1580 return PyDict_Type.tp_clear((PyObject *)dd);
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1581 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1582
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1583 static int
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1584 defdict_init(PyObject *self, PyObject *args, PyObject *kwds)
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1585 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1586 defdictobject *dd = (defdictobject *)self;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1587 PyObject *olddefault = dd->default_factory;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1588 PyObject *newdefault = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1589 PyObject *newargs;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1590 int result;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1591 if (args == NULL || !PyTuple_Check(args))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1592 newargs = PyTuple_New(0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1593 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1594 Py_ssize_t n = PyTuple_GET_SIZE(args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1595 if (n > 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1596 newdefault = PyTuple_GET_ITEM(args, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1597 if (!PyCallable_Check(newdefault) && newdefault != Py_None) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1598 PyErr_SetString(PyExc_TypeError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1599 "first argument must be callable");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1600 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1601 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1602 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1603 newargs = PySequence_GetSlice(args, 1, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1604 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1605 if (newargs == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1606 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1607 Py_XINCREF(newdefault);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1608 dd->default_factory = newdefault;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1609 result = PyDict_Type.tp_init(self, newargs, kwds);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1610 Py_DECREF(newargs);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1611 Py_XDECREF(olddefault);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1612 return result;
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1613 }
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1614
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1615 PyDoc_STRVAR(defdict_doc,
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1616 "defaultdict(default_factory) --> dict with default factory\n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1617 \n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1618 The default factory is called without arguments to produce\n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1619 a new value when a key is not present, in __getitem__ only.\n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1620 A defaultdict compares equal to a dict with the same items.\n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1621 ");
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1622
37470
9ecbce55a454 SF Bug #1448488 - make collectionsmodule build on Cygwin, using the same
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
1623 /* See comment in xxsubtype.c */
9ecbce55a454 SF Bug #1448488 - make collectionsmodule build on Cygwin, using the same
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
1624 #define DEFERRED_ADDRESS(ADDR) 0
9ecbce55a454 SF Bug #1448488 - make collectionsmodule build on Cygwin, using the same
Anthony Baxter <anthonybaxter@gmail.com>
parents: 37305
diff changeset
1625
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1626 static PyTypeObject defdict_type = {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1627 PyVarObject_HEAD_INIT(DEFERRED_ADDRESS(&PyType_Type), 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1628 "collections.defaultdict", /* tp_name */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1629 sizeof(defdictobject), /* tp_basicsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1630 0, /* tp_itemsize */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1631 /* methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1632 (destructor)defdict_dealloc, /* tp_dealloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1633 (printfunc)defdict_print, /* tp_print */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1634 0, /* tp_getattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1635 0, /* tp_setattr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1636 0, /* tp_compare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1637 (reprfunc)defdict_repr, /* tp_repr */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1638 0, /* tp_as_number */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1639 0, /* tp_as_sequence */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1640 0, /* tp_as_mapping */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1641 0, /* tp_hash */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1642 0, /* tp_call */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1643 0, /* tp_str */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1644 PyObject_GenericGetAttr, /* tp_getattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1645 0, /* tp_setattro */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1646 0, /* tp_as_buffer */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1647 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC |
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1648 Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1649 defdict_doc, /* tp_doc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1650 defdict_traverse, /* tp_traverse */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1651 (inquiry)defdict_tp_clear, /* tp_clear */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1652 0, /* tp_richcompare */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1653 0, /* tp_weaklistoffset*/
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1654 0, /* tp_iter */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1655 0, /* tp_iternext */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1656 defdict_methods, /* tp_methods */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1657 defdict_members, /* tp_members */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1658 0, /* tp_getset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1659 DEFERRED_ADDRESS(&PyDict_Type), /* tp_base */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1660 0, /* tp_dict */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1661 0, /* tp_descr_get */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1662 0, /* tp_descr_set */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1663 0, /* tp_dictoffset */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1664 defdict_init, /* tp_init */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1665 PyType_GenericAlloc, /* tp_alloc */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1666 0, /* tp_new */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1667 PyObject_GC_Del, /* tp_free */
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1668 };
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1669
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1670 /* module level code ********************************************************/
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1671
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1672 PyDoc_STRVAR(module_doc,
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1673 "High performance data structures.\n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1674 - deque: ordered collection accessible from endpoints only\n\
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1675 - defaultdict: dict subclass with a default value factory\n\
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1676 ");
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1677
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1678 PyMODINIT_FUNC
40989
4087c0ec733b Prepare collections module for pure python code entries.
Raymond Hettinger <python@rcn.com>
parents: 40760
diff changeset
1679 init_collections(void)
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1680 {
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1681 PyObject *m;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1682
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1683 m = Py_InitModule3("_collections", NULL, module_doc);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1684 if (m == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1685 return;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1686
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1687 if (PyType_Ready(&deque_type) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1688 return;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1689 Py_INCREF(&deque_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1690 PyModule_AddObject(m, "deque", (PyObject *)&deque_type);
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1691
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1692 defdict_type.tp_base = &PyDict_Type;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1693 if (PyType_Ready(&defdict_type) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1694 return;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1695 Py_INCREF(&defdict_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1696 PyModule_AddObject(m, "defaultdict", (PyObject *)&defdict_type);
36656
92ce8bb8b12a - Patch 1433928:
Guido van Rossum <guido@python.org>
parents: 36518
diff changeset
1697
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1698 if (PyType_Ready(&dequeiter_type) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1699 return;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1700
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1701 if (PyType_Ready(&dequereviter_type) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1702 return;
31685
aafe5fef58ba Improve deque iteration.
Raymond Hettinger <python@rcn.com>
parents: 31615
diff changeset
1703
61465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57633
diff changeset
1704 return;
31436
63fa60f2d61c * Move collections.deque() in from the sandbox
Raymond Hettinger <python@rcn.com>
parents:
diff changeset
1705 }