Mercurial > cpython-lru_cache-weakref

annotate Objects/moduleobject.c @ 11518:cc412dfd79f7 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
New examples by Tony Ingraldi, using dns-lookup in stead of the funny interslip module.
author Jack Jansen <jack.jansen@cwi.nl>
date Fri, 03 Dec 1999 15:15:28 +0000
parents 5c1ebf23f1d7
children 1c7c2dd1beb1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
1 /***********************************************************
2059
866c81068dbd Added 1995 to copyright message.
Guido van Rossum <guido@python.org>
parents: 1848
diff changeset
2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
866c81068dbd Added 1995 to copyright message.
Guido van Rossum <guido@python.org>
parents: 1848
diff changeset
3 The Netherlands.
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
4
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
5 All Rights Reserved
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
6
4503
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
7 Permission to use, copy, modify, and distribute this software and its
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
8 documentation for any purpose and without fee is hereby granted,
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
9 provided that the above copyright notice appear in all copies and that
4503
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
10 both that copyright notice and this permission notice appear in
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
11 supporting documentation, and that the names of Stichting Mathematisch
4503
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
12 Centrum or CWI or Corporation for National Research Initiatives or
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
13 CNRI not be used in advertising or publicity pertaining to
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
14 distribution of the software without specific, written prior
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
15 permission.
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
16
4503
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
17 While CWI is the initial source for this software, a modified version
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
18 is made available by the Corporation for National Research Initiatives
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
19 (CNRI) at the Internet address ftp://ftp.python.org.
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
20
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
21 STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
22 REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
23 MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
24 CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
25 DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
26 PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
27 TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
65d2d8e67da3 New permission notice, includes CNRI.
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
28 PERFORMANCE OF THIS SOFTWARE.
145
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
29
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
30 ******************************************************************/
853b736a6a9e Added copyright notice.
Guido van Rossum <guido@python.org>
parents: 95
diff changeset
31
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
32 /* Module object implementation */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
33
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
34 #include "Python.h"
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
35
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
36 typedef struct {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
37 PyObject_HEAD
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
38 PyObject *md_dict;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
39 } PyModuleObject;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
40
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
41 PyObject *
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
42 PyModule_New(name)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
43 char *name;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
44 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
45 PyModuleObject *m;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
46 PyObject *nameobj;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
47 m = PyObject_NEW(PyModuleObject, &PyModule_Type);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
48 if (m == NULL)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
49 return NULL;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
50 nameobj = PyString_FromString(name);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
51 m->md_dict = PyDict_New();
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
52 if (m->md_dict == NULL || nameobj == NULL)
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
53 goto fail;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
54 if (PyDict_SetItemString(m->md_dict, "__name__", nameobj) != 0)
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
55 goto fail;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
56 if (PyDict_SetItemString(m->md_dict, "__doc__", Py_None) != 0)
2081
afecdec996ff initialize __doc__ to None
Guido van Rossum <guido@python.org>
parents: 2059
diff changeset
57 goto fail;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
58 Py_DECREF(nameobj);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
59 return (PyObject *)m;
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
60
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
61 fail:
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
62 Py_XDECREF(nameobj);
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
63 Py_DECREF(m);
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
64 return NULL;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
65 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
66
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
67 PyObject *
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
68 PyModule_GetDict(m)
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
69 PyObject *m;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
70 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
71 if (!PyModule_Check(m)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
72 PyErr_BadInternalCall();
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
73 return NULL;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
74 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
75 return ((PyModuleObject *)m) -> md_dict;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
76 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
77
43
ea21982a1532 Added getmodulename() public interface.
Guido van Rossum <guido@python.org>
parents: 25
diff changeset
78 char *
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
79 PyModule_GetName(m)
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
80 PyObject *m;
43
ea21982a1532 Added getmodulename() public interface.
Guido van Rossum <guido@python.org>
parents: 25
diff changeset
81 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
82 PyObject *nameobj;
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
83 if (!PyModule_Check(m)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
84 PyErr_BadArgument();
43
ea21982a1532 Added getmodulename() public interface.
Guido van Rossum <guido@python.org>
parents: 25
diff changeset
85 return NULL;
ea21982a1532 Added getmodulename() public interface.
Guido van Rossum <guido@python.org>
parents: 25
diff changeset
86 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
87 nameobj = PyDict_GetItemString(((PyModuleObject *)m)->md_dict,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
88 "__name__");
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
89 if (nameobj == NULL || !PyString_Check(nameobj)) {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
90 PyErr_SetString(PyExc_SystemError, "nameless module");
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
91 return NULL;
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
92 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
93 return PyString_AsString(nameobj);
43
ea21982a1532 Added getmodulename() public interface.
Guido van Rossum <guido@python.org>
parents: 25
diff changeset
94 }
ea21982a1532 Added getmodulename() public interface.
Guido van Rossum <guido@python.org>
parents: 25
diff changeset
95
10161
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
96 char *
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
97 PyModule_GetFilename(m)
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
98 PyObject *m;
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
99 {
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
100 PyObject *fileobj;
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
101 if (!PyModule_Check(m)) {
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
102 PyErr_BadArgument();
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
103 return NULL;
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
104 }
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
105 fileobj = PyDict_GetItemString(((PyModuleObject *)m)->md_dict,
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
106 "__file__");
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
107 if (fileobj == NULL || !PyString_Check(fileobj)) {
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
108 PyErr_SetString(PyExc_SystemError, "module filename missing");
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
109 return NULL;
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
110 }
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
111 return PyString_AsString(fileobj);
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
112 }
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
113
7401
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
114 void
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
115 _PyModule_Clear(m)
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
116 PyObject *m;
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
117 {
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
118 /* To make the execution order of destructors for global
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
119 objects a bit more predictable, we first zap all objects
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
120 whose name starts with a single underscore, before we clear
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
121 the entire dictionary. We zap them by replacing them with
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
122 None, rather than deleting them from the dictionary, to
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
123 avoid rehashing the dictionary (to some extent). */
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
124
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
125 int pos;
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
126 PyObject *key, *value;
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
127 PyObject *d;
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
128
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
129 d = ((PyModuleObject *)m)->md_dict;
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
130
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
131 /* First, clear only names starting with a single underscore */
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
132 pos = 0;
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
133 while (PyDict_Next(d, &pos, &key, &value)) {
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
134 if (value != Py_None && PyString_Check(key)) {
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
135 char *s = PyString_AsString(key);
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
136 if (s[0] == '_' && s[1] != '_') {
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
137 if (Py_VerboseFlag > 1)
9329
7f242f29a45f Replace fprintf(stderr, ...) with PySys_WriteStderr(...).
Guido van Rossum <guido@python.org>
parents: 7401
diff changeset
138 PySys_WriteStderr("# clear[1] %s\n", s);
7401
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
139 PyDict_SetItem(d, key, Py_None);
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
140 }
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
141 }
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
142 }
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
143
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
144 /* Next, clear all names except for __builtins__ */
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
145 pos = 0;
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
146 while (PyDict_Next(d, &pos, &key, &value)) {
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
147 if (value != Py_None && PyString_Check(key)) {
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
148 char *s = PyString_AsString(key);
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
149 if (s[0] != '_' || strcmp(s, "__builtins__") != 0) {
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
150 if (Py_VerboseFlag > 1)
9329
7f242f29a45f Replace fprintf(stderr, ...) with PySys_WriteStderr(...).
Guido van Rossum <guido@python.org>
parents: 7401
diff changeset
151 PySys_WriteStderr("# clear[2] %s\n", s);
7401
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
152 PyDict_SetItem(d, key, Py_None);
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
153 }
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
154 }
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
155 }
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
156
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
157 /* Note: we leave __builtins__ in place, so that destructors
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
158 of non-global objects defined in this module can still use
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
159 builtins, in particularly 'None'. */
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
160
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
161 }
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
162
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
163 /* Methods */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
164
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
165 static void
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 43
diff changeset
166 module_dealloc(m)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
167 PyModuleObject *m;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
168 {
2238
b5dcba7b732d apply dictclear to dict of deleted modules
Guido van Rossum <guido@python.org>
parents: 2081
diff changeset
169 if (m->md_dict != NULL) {
7401
8c01cfee14ba Add internal routine _PyModule_Clear(), which does approximately what
Guido van Rossum <guido@python.org>
parents: 5456
diff changeset
170 _PyModule_Clear((PyObject *)m);
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
171 Py_DECREF(m->md_dict);
2238
b5dcba7b732d apply dictclear to dict of deleted modules
Guido van Rossum <guido@python.org>
parents: 2081
diff changeset
172 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
173 free((char *)m);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
174 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
175
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
176 static PyObject *
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 43
diff changeset
177 module_repr(m)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
178 PyModuleObject *m;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
179 {
10161
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
180 char buf[400];
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
181 char *name;
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
182 char *filename;
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
183 name = PyModule_GetName((PyObject *)m);
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
184 if (name == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
185 PyErr_Clear();
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
186 name = "?";
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
187 }
10161
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
188 filename = PyModule_GetFilename((PyObject *)m);
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
189 if (filename == NULL) {
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
190 PyErr_Clear();
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
191 sprintf(buf, "<module '%.80s' (built-in)>", name);
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
192 } else {
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
193 sprintf(buf, "<module '%.80s' from '%.255s'>", name, filename);
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
194 }
5c1ebf23f1d7 Patch by Chris Petrilli to display the origin of a module in its
Guido van Rossum <guido@python.org>
parents: 9329
diff changeset
195
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
196 return PyString_FromString(buf);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
197 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
198
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
199 static PyObject *
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 43
diff changeset
200 module_getattr(m, name)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
201 PyModuleObject *m;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
202 char *name;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
203 {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
204 PyObject *res;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 43
diff changeset
205 if (strcmp(name, "__dict__") == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
206 Py_INCREF(m->md_dict);
25
32639878d16b Added __dict to module getattr.
Guido van Rossum <guido@python.org>
parents: 14
diff changeset
207 return m->md_dict;
32639878d16b Added __dict to module getattr.
Guido van Rossum <guido@python.org>
parents: 14
diff changeset
208 }
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
209 res = PyDict_GetItemString(m->md_dict, name);
14
874c8fd565fa New error handling in getattr().
Guido van Rossum <guido@python.org>
parents: 6
diff changeset
210 if (res == NULL)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
211 PyErr_SetString(PyExc_AttributeError, name);
5456
7316eecb1e6b removed last #ifdef SUPPORT_OBSOLETE_ACCESS bits.
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
212 else
7316eecb1e6b removed last #ifdef SUPPORT_OBSOLETE_ACCESS bits.
Guido van Rossum <guido@python.org>
parents: 5396
diff changeset
213 Py_INCREF(res);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
214 return res;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
215 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
216
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
217 static int
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 43
diff changeset
218 module_setattr(m, name, v)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
219 PyModuleObject *m;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
220 char *name;
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
221 PyObject *v;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
222 {
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
223 if (name[0] == '_' && strcmp(name, "__dict__") == 0) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
224 PyErr_SetString(PyExc_TypeError,
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
225 "read-only special attribute");
1410
315272ec4d5b * import.c (get_module): total rewrite, to ensure proper search order: for
Guido van Rossum <guido@python.org>
parents: 1293
diff changeset
226 return -1;
25
32639878d16b Added __dict to module getattr.
Guido van Rossum <guido@python.org>
parents: 14
diff changeset
227 }
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
228 if (v == NULL) {
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
229 int rv = PyDict_DelItemString(m->md_dict, name);
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
230 if (rv < 0)
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
231 PyErr_SetString(PyExc_AttributeError,
1031
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
232 "delete non-existing module attribute");
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
233 return rv;
7a11a70f7f44 classobject.c moduleobject.c stdwinmodule.c xxobject.c:
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
234 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
235 else
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
236 return PyDict_SetItemString(m->md_dict, name, v);
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
237 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
238
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
239 PyTypeObject PyModule_Type = {
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
240 PyObject_HEAD_INIT(&PyType_Type)
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
241 0, /*ob_size*/
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
242 "module", /*tp_name*/
5396
d1447950fa04 Quickly renamed the last directory.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
243 sizeof(PyModuleObject), /*tp_size*/
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
244 0, /*tp_itemsize*/
1848
b724599401ff Merge back to main trunk
Guido van Rossum <guido@python.org>
parents: 1410
diff changeset
245 (destructor)module_dealloc, /*tp_dealloc*/
1051
f54e64c8b9b7 * Makefile: added IMGFILE; moved some stuff around.
Guido van Rossum <guido@python.org>
parents: 1031
diff changeset
246 0, /*tp_print*/
1848
b724599401ff Merge back to main trunk
Guido van Rossum <guido@python.org>
parents: 1410
diff changeset
247 (getattrfunc)module_getattr, /*tp_getattr*/
b724599401ff Merge back to main trunk
Guido van Rossum <guido@python.org>
parents: 1410
diff changeset
248 (setattrfunc)module_setattr, /*tp_setattr*/
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 43
diff changeset
249 0, /*tp_compare*/
1848
b724599401ff Merge back to main trunk
Guido van Rossum <guido@python.org>
parents: 1410
diff changeset
250 (reprfunc)module_repr, /*tp_repr*/
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
251 };