Mercurial > cpython-lru_cache-weakref

annotate Modules/getpath.c @ 86127:a3d09c19bb93

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merge with 3.3
author Georg Brandl <georg@python.org>
date Sun, 06 Oct 2013 19:24:00 +0200
parents 01597384531f
children a7a8ccf69708
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3621
f158edccc72c grand renaming; added copyright to some files
Guido van Rossum <guido@python.org>
parents: 3416
diff changeset
1 /* Return the initial module search path. */
f158edccc72c grand renaming; added copyright to some files
Guido van Rossum <guido@python.org>
parents: 3416
diff changeset
2
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3 #include "Python.h"
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4 #include "osdefs.h"
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
5
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
6 #include <sys/types.h>
5698
ba860dc0a585 Use string.h, not strings.h
Guido van Rossum <guido@python.org>
parents: 5568
diff changeset
7 #include <string.h>
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
8
32410
8444849c9448 Modules/getpath.c now compiles properly under OS X when using the
Brett Cannon <bcannon@gmail.com>
parents: 32399
diff changeset
9 #ifdef __APPLE__
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
10 #include <mach-o/dyld.h>
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
11 #endif
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
12
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
13 /* Search in some common locations for the associated Python libraries.
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
14 *
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
15 * Two directories must be found, the platform independent directory
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
16 * (prefix), containing the common .py and .pyc files, and the platform
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
17 * dependent directory (exec_prefix), containing the shared library
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
18 * modules. Note that prefix and exec_prefix can be the same directory,
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
19 * but for some installations, they are different.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
20 *
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
21 * Py_GetPath() carries out separate searches for prefix and exec_prefix.
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
22 * Each search tries a number of different locations until a ``landmark''
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
23 * file or directory is found. If no prefix or exec_prefix is found, a
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
24 * warning message is issued and the preprocessor defined PREFIX and
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
25 * EXEC_PREFIX are used (even though they will not work); python carries on
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
26 * as best as is possible, but most imports will fail.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
27 *
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
28 * Before any searches are done, the location of the executable is
41554
06145fbc7ab9 Merged revisions 53952-54987 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 39442
diff changeset
29 * determined. If argv[0] has one or more slashes in it, it is used
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
30 * unchanged. Otherwise, it must have been invoked from the shell's path,
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
31 * so we search $PATH for the named executable and use that. If the
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
32 * executable was not found on $PATH (or there was no $PATH environment
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
33 * variable), the original argv[0] string is used.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
34 *
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
35 * Next, the executable location is examined to see if it is a symbolic
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
36 * link. If so, the link is chased (correctly interpreting a relative
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
37 * pathname if one is found) and the directory of the link target is used.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
38 *
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
39 * Finally, argv0_path is set to the directory containing the executable
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
40 * (i.e. the last component is stripped).
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
41 *
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
42 * With argv0_path in hand, we perform a number of steps. The same steps
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
43 * are performed for prefix and for exec_prefix, but with a different
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
44 * landmark.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
45 *
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
46 * Step 1. Are we running python out of the build directory? This is
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
47 * checked by looking for a different kind of landmark relative to
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
48 * argv0_path. For prefix, the landmark's path is derived from the VPATH
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
49 * preprocessor variable (taking into account that its value is almost, but
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
50 * not quite, what we need). For exec_prefix, the landmark is
63981
794eb40bef3a Add comments about Windows in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63964
diff changeset
51 * pybuilddir.txt. If the landmark is found, we're done.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
52 *
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
53 * For the remaining steps, the prefix landmark will always be
12775
8e2b35d386aa Patch from M.-A. Lemburg:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
54 * lib/python$VERSION/os.py and the exec_prefix will always be
6498
4981fd2b3211 Change sharedmodules to lib-dynload.
Guido van Rossum <guido@python.org>
parents: 6121
diff changeset
55 * lib/python$VERSION/lib-dynload, where $VERSION is Python's version
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
56 * number as supplied by the Makefile. Note that this means that no more
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
57 * build directory checking is performed; if the first step did not find
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
58 * the landmarks, the assumption is that python is running from an
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
59 * installed setup.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
60 *
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
61 * Step 2. See if the $PYTHONHOME environment variable points to the
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
62 * installed location of the Python libraries. If $PYTHONHOME is set, then
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
63 * it points to prefix and exec_prefix. $PYTHONHOME can be a single
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
64 * directory, which is used for both, or the prefix and exec_prefix
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
65 * directories separated by a colon.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
66 *
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
67 * Step 3. Try to find prefix and exec_prefix relative to argv0_path,
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
68 * backtracking up the path until it is exhausted. This is the most common
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
69 * step to succeed. Note that if prefix and exec_prefix are different,
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
70 * exec_prefix is more likely to be found; however if exec_prefix is a
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
71 * subdirectory of prefix, both will be found.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
72 *
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
73 * Step 4. Search the directories pointed to by the preprocessor variables
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
74 * PREFIX and EXEC_PREFIX. These are supplied by the Makefile but can be
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
75 * passed in as options to the configure script.
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
76 *
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
77 * That's it!
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
78 *
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
79 * Well, almost. Once we have determined prefix and exec_prefix, the
13620
5b727ab37092 Spelling fixes supplied by Rob W. W. Hooft. All these are fixes in either
Thomas Wouters <thomas@python.org>
parents: 13428
diff changeset
80 * preprocessor variable PYTHONPATH is used to construct a path. Each
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
81 * relative path on PYTHONPATH is prefixed with prefix. Then the directory
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
82 * containing the shared library modules is appended. The environment
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
83 * variable $PYTHONPATH is inserted in front of it all. Finally, the
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
84 * prefix and exec_prefix globals are tweaked so they reflect the values
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
85 * expected by other code, by stripping the "lib/python$VERSION/..." stuff
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
86 * off. If either points to the build directory, the globals are reset to
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
87 * the corresponding preprocessor variables (so sys.prefix will reflect the
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
88 * installation location, even though sys.path points into the build
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
89 * directory). This seems to make more sense given that currently the only
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
90 * known use of sys.prefix and sys.exec_prefix is for the ILU installation
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
91 * process to find the installed Python tree.
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
92 *
64955
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
93 * An embedding application can use Py_SetPath() to override all of
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
94 * these authomatic path computations.
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
95 *
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
96 * NOTE: Windows MSVC builds use PC/getpathp.c instead!
5316
c8e24c4b8bfb Removed two unused static function: string_addsep() and
Barry Warsaw <barry@python.org>
parents: 5300
diff changeset
97 */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
98
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
99 #ifdef __cplusplus
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
100 extern "C" {
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
101 #endif
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
102
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
103
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
104 #ifndef VERSION
16147
fbf8abec93d1 Clean up some comments and the default VERSION.
Guido van Rossum <guido@python.org>
parents: 14907
diff changeset
105 #define VERSION "2.1"
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
106 #endif
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
107
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
108 #ifndef VPATH
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
109 #define VPATH "."
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
110 #endif
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
111
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
112 #ifndef PREFIX
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
113 # ifdef __VMS
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
114 # define PREFIX ""
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
115 # else
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
116 # define PREFIX "/usr/local"
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 37879
diff changeset
117 # endif
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
118 #endif
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
119
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
120 #ifndef EXEC_PREFIX
3878
4286910080a9 Don't have "." in the default path.
Guido van Rossum <guido@python.org>
parents: 3674
diff changeset
121 #define EXEC_PREFIX PREFIX
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
122 #endif
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
123
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
124 #ifndef PYTHONPATH
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
125 #define PYTHONPATH PREFIX "/lib/python" VERSION ":" \
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
126 EXEC_PREFIX "/lib/python" VERSION "/lib-dynload"
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
127 #endif
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
128
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
129 #ifndef LANDMARK
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
130 #define LANDMARK L"os.py"
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
131 #endif
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
132
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
133 static wchar_t prefix[MAXPATHLEN+1];
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
134 static wchar_t exec_prefix[MAXPATHLEN+1];
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
135 static wchar_t progpath[MAXPATHLEN+1];
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
136 static wchar_t *module_search_path = NULL;
68662
a791dd7d51f3 Issue #10914: fix bogus memory management in Modules/getpath.c, leading to a possible crash when calling Py_SetPath()
Antoine Pitrou <solipsis@pitrou.net>
parents: 68257
diff changeset
137 static int module_search_path_malloced = 0;
59041
9b5806a008e7 #4532: fixes to make 3.x compile on QNX 6.3.2 (reported by Matt Kraai)
Andrew M. Kuchling <amk@amk.ca>
parents: 51560
diff changeset
138 static wchar_t *lib_python = L"lib/python" VERSION;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
139
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
140 static void
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
141 reduce(wchar_t *dir)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
142 {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
143 size_t i = wcslen(dir);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
144 while (i > 0 && dir[i] != SEP)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
145 --i;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
146 dir[i] = '\0';
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
147 }
7117
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
148
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
149 static int
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
150 isfile(wchar_t *filename) /* Is file, not directory */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
151 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
152 struct stat buf;
65162
39014f0abc32 Create fileutils.c/.h
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65161
diff changeset
153 if (_Py_wstat(filename, &buf) != 0)
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
154 return 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
155 if (!S_ISREG(buf.st_mode))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
156 return 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
157 return 1;
7117
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
158 }
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
159
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
160
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
161 static int
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
162 ismodule(wchar_t *filename) /* Is module -- check for .pyc/.pyo too */
7117
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
163 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
164 if (isfile(filename))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
165 return 1;
7117
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
166
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
167 /* Check for the compiled version of prefix. */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
168 if (wcslen(filename) < MAXPATHLEN) {
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
169 wcscat(filename, Py_OptimizeFlag ? L"o" : L"c");
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
170 if (isfile(filename))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
171 return 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
172 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
173 return 0;
7117
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
174 }
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
175
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
176
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
177 static int
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
178 isxfile(wchar_t *filename) /* Is executable file */
7117
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
179 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
180 struct stat buf;
65162
39014f0abc32 Create fileutils.c/.h
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65161
diff changeset
181 if (_Py_wstat(filename, &buf) != 0)
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
182 return 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
183 if (!S_ISREG(buf.st_mode))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
184 return 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
185 if ((buf.st_mode & 0111) == 0)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
186 return 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
187 return 1;
7117
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
188 }
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
189
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
190
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
191 static int
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
192 isdir(wchar_t *filename) /* Is directory */
7117
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
Guido van Rossum <guido@python.org>
parents: 6823
diff changeset
193 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
194 struct stat buf;
65162
39014f0abc32 Create fileutils.c/.h
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65161
diff changeset
195 if (_Py_wstat(filename, &buf) != 0)
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
196 return 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
197 if (!S_ISDIR(buf.st_mode))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
198 return 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
199 return 1;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
200 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
201
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
202
33038
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
203 /* Add a path component, by appending stuff to buffer.
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
204 buffer must have at least MAXPATHLEN + 1 bytes allocated, and contain a
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
205 NUL-terminated string with no more than MAXPATHLEN characters (not counting
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
206 the trailing NUL). It's a fatal error if it contains a string longer than
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
207 that (callers must be careful!). If these requirements are met, it's
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
208 guaranteed that buffer will still be a NUL-terminated string with no more
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
209 than MAXPATHLEN characters at exit. If stuff is too long, only as much of
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
210 stuff as fits will be appended.
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
211 */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
212 static void
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
213 joinpath(wchar_t *buffer, wchar_t *stuff)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
214 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
215 size_t n, k;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
216 if (stuff[0] == SEP)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
217 n = 0;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
218 else {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
219 n = wcslen(buffer);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
220 if (n > 0 && buffer[n-1] != SEP && n < MAXPATHLEN)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
221 buffer[n++] = SEP;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
222 }
33038
fee2038b8fa9 Bug 1003471: Python 1.5.2 security vulnerability still present in 2.3.4
Tim Peters <tim.peters@gmail.com>
parents: 32410
diff changeset
223 if (n > MAXPATHLEN)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
224 Py_FatalError("buffer overflow in getpath.c's joinpath()");
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
225 k = wcslen(stuff);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
226 if (n + k > MAXPATHLEN)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
227 k = MAXPATHLEN - n;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
228 wcsncpy(buffer+n, stuff, k);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
229 buffer[n+k] = '\0';
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
230 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
231
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
232 /* copy_absolute requires that path be allocated at least
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
233 MAXPATHLEN + 1 bytes and that p be no more than MAXPATHLEN bytes. */
14845
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
234 static void
65312
a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65169
diff changeset
235 copy_absolute(wchar_t *path, wchar_t *p, size_t pathlen)
14845
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
236 {
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
237 if (p[0] == SEP)
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
238 wcscpy(path, p);
14845
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
239 else {
65312
a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65169
diff changeset
240 if (!_Py_wgetcwd(path, pathlen)) {
65171
39a0b943e3e1 copy_absolute(): keep the relative path if _wgetcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63983
diff changeset
241 /* unable to get the current directory */
39a0b943e3e1 copy_absolute(): keep the relative path if _wgetcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63983
diff changeset
242 wcscpy(path, p);
39a0b943e3e1 copy_absolute(): keep the relative path if _wgetcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63983
diff changeset
243 return;
39a0b943e3e1 copy_absolute(): keep the relative path if _wgetcwd() failed
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63983
diff changeset
244 }
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
245 if (p[0] == '.' && p[1] == SEP)
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
246 p += 2;
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
247 joinpath(path, p);
14845
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
248 }
88d3a8974409 fix bug #114290: when interpreter's argv[0] has a relative path make
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
249 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
250
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
251 /* absolutize() requires that path be allocated at least MAXPATHLEN+1 bytes. */
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
252 static void
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
253 absolutize(wchar_t *path)
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
254 {
65312
a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65169
diff changeset
255 wchar_t buffer[MAXPATHLEN+1];
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
256
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
257 if (path[0] == SEP)
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
258 return;
65312
a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65169
diff changeset
259 copy_absolute(buffer, path, MAXPATHLEN+1);
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
260 wcscpy(path, buffer);
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
261 }
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
262
77154
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
263 /* search for a prefix value in an environment file. If found, copy it
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
264 to the provided buffer, which is expected to be no more than MAXPATHLEN
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
265 bytes long.
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
266 */
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
267
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
268 static int
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
269 find_env_config_value(FILE * env_file, const wchar_t * key, wchar_t * value)
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
270 {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
271 int result = 0; /* meaning not found */
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
272 char buffer[MAXPATHLEN*2+1]; /* allow extra for key, '=', etc. */
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
273
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
274 fseek(env_file, 0, SEEK_SET);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
275 while (!feof(env_file)) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
276 char * p = fgets(buffer, MAXPATHLEN*2, env_file);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
277 wchar_t tmpbuffer[MAXPATHLEN*2+1];
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
278 PyObject * decoded;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
279 int n;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
280
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
281 if (p == NULL)
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
282 break;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
283 n = strlen(p);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
284 if (p[n - 1] != '\n') {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
285 /* line has overflowed - bail */
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
286 break;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
287 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
288 if (p[0] == '#') /* Comment - skip */
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
289 continue;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
290 decoded = PyUnicode_DecodeUTF8(buffer, n, "surrogateescape");
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
291 if (decoded != NULL) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
292 Py_ssize_t k;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
293 wchar_t * state;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
294 k = PyUnicode_AsWideChar(decoded,
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
295 tmpbuffer, MAXPATHLEN * 2);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
296 Py_DECREF(decoded);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
297 if (k >= 0) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
298 wchar_t * tok = wcstok(tmpbuffer, L" \t\r\n", &state);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
299 if ((tok != NULL) && !wcscmp(tok, key)) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
300 tok = wcstok(NULL, L" \t", &state);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
301 if ((tok != NULL) && !wcscmp(tok, L"=")) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
302 tok = wcstok(NULL, L"\r\n", &state);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
303 if (tok != NULL) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
304 wcsncpy(value, tok, MAXPATHLEN);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
305 result = 1;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
306 break;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
307 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
308 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
309 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
310 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
311 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
312 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
313 return result;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
314 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
315
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
316 /* search_for_prefix requires that argv0_path be no more than MAXPATHLEN
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
317 bytes long.
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
318 */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
319 static int
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
320 search_for_prefix(wchar_t *argv0_path, wchar_t *home, wchar_t *_prefix)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
321 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
322 size_t n;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
323 wchar_t *vpath;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
324
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
325 /* If PYTHONHOME is set, we believe it unconditionally */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
326 if (home) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
327 wchar_t *delim;
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
328 wcsncpy(prefix, home, MAXPATHLEN);
84785
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
329 prefix[MAXPATHLEN] = L'\0';
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
330 delim = wcschr(prefix, DELIM);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
331 if (delim)
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
332 *delim = L'\0';
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
333 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
334 joinpath(prefix, LANDMARK);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
335 return 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
336 }
12775
8e2b35d386aa Patch from M.-A. Lemburg:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
337
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
338 /* Check to see if argv[0] is in the build directory */
84785
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
339 wcsncpy(prefix, argv0_path, MAXPATHLEN);
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
340 prefix[MAXPATHLEN] = L'\0';
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
341 joinpath(prefix, L"Modules/Setup");
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
342 if (isfile(prefix)) {
16222
a0e46c3be63e Build now happens in toplevel directory, not Modules. Don't monkey with
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 16147
diff changeset
343 /* Check VPATH to see if argv0_path is in the build directory. */
65600
5b6e13b6b473 Issue #6011: getpath: decode VPATH env var from the locale encoding
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65414
diff changeset
344 vpath = _Py_char2wchar(VPATH, NULL);
5b6e13b6b473 Issue #6011: getpath: decode VPATH env var from the locale encoding
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65414
diff changeset
345 if (vpath != NULL) {
84785
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
346 wcsncpy(prefix, argv0_path, MAXPATHLEN);
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
347 prefix[MAXPATHLEN] = L'\0';
65600
5b6e13b6b473 Issue #6011: getpath: decode VPATH env var from the locale encoding
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65414
diff changeset
348 joinpath(prefix, vpath);
84490
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
349 PyMem_RawFree(vpath);
65600
5b6e13b6b473 Issue #6011: getpath: decode VPATH env var from the locale encoding
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65414
diff changeset
350 joinpath(prefix, L"Lib");
5b6e13b6b473 Issue #6011: getpath: decode VPATH env var from the locale encoding
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65414
diff changeset
351 joinpath(prefix, LANDMARK);
5b6e13b6b473 Issue #6011: getpath: decode VPATH env var from the locale encoding
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65414
diff changeset
352 if (ismodule(prefix))
5b6e13b6b473 Issue #6011: getpath: decode VPATH env var from the locale encoding
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65414
diff changeset
353 return -1;
5b6e13b6b473 Issue #6011: getpath: decode VPATH env var from the locale encoding
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65414
diff changeset
354 }
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
355 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
356
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
357 /* Search from argv0_path, until root is found */
65312
a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65169
diff changeset
358 copy_absolute(prefix, argv0_path, MAXPATHLEN+1);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
359 do {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
360 n = wcslen(prefix);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
361 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
362 joinpath(prefix, LANDMARK);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
363 if (ismodule(prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
364 return 1;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
365 prefix[n] = L'\0';
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
366 reduce(prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
367 } while (prefix[0]);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
368
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
369 /* Look at configure's PREFIX */
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
370 wcsncpy(prefix, _prefix, MAXPATHLEN);
84785
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
371 prefix[MAXPATHLEN] = L'\0';
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
372 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
373 joinpath(prefix, LANDMARK);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
374 if (ismodule(prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
375 return 1;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
376
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
377 /* Fail */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
378 return 0;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
379 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
380
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
381
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
382 /* search_for_exec_prefix requires that argv0_path be no more than
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
383 MAXPATHLEN bytes long.
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
384 */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
385 static int
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
386 search_for_exec_prefix(wchar_t *argv0_path, wchar_t *home, wchar_t *_exec_prefix)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
387 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
388 size_t n;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
389
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
390 /* If PYTHONHOME is set, we believe it unconditionally */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
391 if (home) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
392 wchar_t *delim;
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
393 delim = wcschr(home, DELIM);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
394 if (delim)
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
395 wcsncpy(exec_prefix, delim+1, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
396 else
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
397 wcsncpy(exec_prefix, home, MAXPATHLEN);
84785
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
398 exec_prefix[MAXPATHLEN] = L'\0';
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
399 joinpath(exec_prefix, lib_python);
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
400 joinpath(exec_prefix, L"lib-dynload");
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
401 return 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
402 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
403
63961
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
404 /* Check to see if argv[0] is in the build directory. "pybuilddir.txt"
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
405 is written by setup.py and contains the relative path to the location
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
406 of shared library modules. */
84785
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
407 wcsncpy(exec_prefix, argv0_path, MAXPATHLEN);
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
408 exec_prefix[MAXPATHLEN] = L'\0';
63961
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
409 joinpath(exec_prefix, L"pybuilddir.txt");
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
410 if (isfile(exec_prefix)) {
63961
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
411 FILE *f = _Py_wfopen(exec_prefix, L"rb");
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
412 if (f == NULL)
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
413 errno = 0;
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
414 else {
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
415 char buf[MAXPATHLEN+1];
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
416 PyObject *decoded;
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
417 wchar_t rel_builddir_path[MAXPATHLEN+1];
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
418 n = fread(buf, 1, MAXPATHLEN, f);
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
419 buf[n] = '\0';
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
420 fclose(f);
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
421 decoded = PyUnicode_DecodeUTF8(buf, n, "surrogateescape");
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
422 if (decoded != NULL) {
66141
7cec0dd391d6 getpath.c: fix test to detech PyUnicode_AsWideChar() failure
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66096
diff changeset
423 Py_ssize_t k;
66664
62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 66141
diff changeset
424 k = PyUnicode_AsWideChar(decoded,
63964
ab6946972b7f Kill a gcc warning introduced by r83988
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63962
diff changeset
425 rel_builddir_path, MAXPATHLEN);
63961
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
426 Py_DECREF(decoded);
66141
7cec0dd391d6 getpath.c: fix test to detech PyUnicode_AsWideChar() failure
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66096
diff changeset
427 if (k >= 0) {
7cec0dd391d6 getpath.c: fix test to detech PyUnicode_AsWideChar() failure
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66096
diff changeset
428 rel_builddir_path[k] = L'\0';
84785
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
429 wcsncpy(exec_prefix, argv0_path, MAXPATHLEN);
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
430 exec_prefix[MAXPATHLEN] = L'\0';
63961
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
431 joinpath(exec_prefix, rel_builddir_path);
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
432 return -1;
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
433 }
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
434 }
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
435 }
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
436 }
12775
8e2b35d386aa Patch from M.-A. Lemburg:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
437
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
438 /* Search from argv0_path, until root is found */
65312
a27fc0ff3678 _Py_wgetcwd() decodes the path using _Py_char2wchar() to support surrogates
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65169
diff changeset
439 copy_absolute(exec_prefix, argv0_path, MAXPATHLEN+1);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
440 do {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
441 n = wcslen(exec_prefix);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
442 joinpath(exec_prefix, lib_python);
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
443 joinpath(exec_prefix, L"lib-dynload");
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
444 if (isdir(exec_prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
445 return 1;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
446 exec_prefix[n] = L'\0';
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
447 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
448 } while (exec_prefix[0]);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
449
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
450 /* Look at configure's EXEC_PREFIX */
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
451 wcsncpy(exec_prefix, _exec_prefix, MAXPATHLEN);
84785
dca92e8a011a Issue #15905: Fix theoretical buffer overflow in handling of sys.argv[0],
Christian Heimes <christian@cheimes.de>
parents: 78160
diff changeset
452 exec_prefix[MAXPATHLEN] = L'\0';
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
453 joinpath(exec_prefix, lib_python);
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
454 joinpath(exec_prefix, L"lib-dynload");
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
455 if (isdir(exec_prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
456 return 1;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
457
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
458 /* Fail */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
459 return 0;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
460 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
461
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
462 static void
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
463 calculate_path(void)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
464 {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
465 extern wchar_t *Py_GetProgramName(void);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
466
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
467 static wchar_t delimiter[2] = {DELIM, '\0'};
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
468 static wchar_t separator[2] = {SEP, '\0'};
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
469 char *_rtpypath = Py_GETENV("PYTHONPATH"); /* XXX use wide version on Windows */
70898
f571ed28a9ba calculate_path() decodes the PYTHONPATH environment variable from the locale
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68662
diff changeset
470 wchar_t *rtpypath = NULL;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
471 wchar_t *home = Py_GetPythonHome();
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
472 char *_path = getenv("PATH");
65414
9306ff1c3d46 Oops, fix my previous commit (r85583) on calculate_path()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65413
diff changeset
473 wchar_t *path_buffer = NULL;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
474 wchar_t *path = NULL;
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
475 wchar_t *prog = Py_GetProgramName();
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
476 wchar_t argv0_path[MAXPATHLEN+1];
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
477 wchar_t zip_path[MAXPATHLEN+1];
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
478 int pfound, efound; /* 1 if found; -1 if found build directory */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
479 wchar_t *buf;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
480 size_t bufsz;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
481 size_t prefixsz;
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
482 wchar_t *defpath;
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
483 #ifdef WITH_NEXT_FRAMEWORK
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
484 NSModule pythonModule;
78160
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
485 const char* modPath;
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
486 #endif
32229
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
487 #ifdef __APPLE__
36205
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
488 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
35578
c28d0ed86ff0 Change type on variable to silence gcc 4 warning. Call signature was found at
Brett Cannon <bcannon@gmail.com>
parents: 33038
diff changeset
489 uint32_t nsexeclength = MAXPATHLEN;
36205
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
490 #else
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
491 unsigned long nsexeclength = MAXPATHLEN;
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
492 #endif
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
493 char execpath[MAXPATHLEN+1];
32229
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
494 #endif
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
495 wchar_t *_pythonpath, *_prefix, *_exec_prefix;
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
496
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
497 _pythonpath = _Py_char2wchar(PYTHONPATH, NULL);
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
498 _prefix = _Py_char2wchar(PREFIX, NULL);
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
499 _exec_prefix = _Py_char2wchar(EXEC_PREFIX, NULL);
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
500
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
501 if (!_pythonpath || !_prefix || !_exec_prefix) {
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
502 Py_FatalError(
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
503 "Unable to decode path variables in getpath.c: "
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
504 "memory error");
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
505 }
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
506
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
507 if (_path) {
65414
9306ff1c3d46 Oops, fix my previous commit (r85583) on calculate_path()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65413
diff changeset
508 path_buffer = _Py_char2wchar(_path, NULL);
9306ff1c3d46 Oops, fix my previous commit (r85583) on calculate_path()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65413
diff changeset
509 path = path_buffer;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
510 }
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
511
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
512 /* If there is no slash in the argv0 path, then we have to
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
513 * assume python is on the user's $PATH, since there's no
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
514 * other way to find a directory to start the search from. If
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
515 * $PATH isn't exported, you lose.
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
516 */
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
517 if (wcschr(prog, SEP))
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
518 wcsncpy(progpath, prog, MAXPATHLEN);
32229
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
519 #ifdef __APPLE__
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
520 /* On Mac OS X, if a script uses an interpreter of the form
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
521 * "#!/opt/python2.3/bin/python", the kernel only passes "python"
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
522 * as argv[0], which falls through to the $PATH search below.
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
523 * If /opt/python2.3/bin isn't in your path, or is near the end,
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
524 * this algorithm may incorrectly find /usr/bin/python. To work
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
525 * around this, we can use _NSGetExecutablePath to get a better
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
526 * hint of what the intended interpreter was, although this
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
527 * will fail if a relative path was used. but in that case,
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
528 * absolutize() should help us out below
27967fbba48f Fix for #932977: MacOSX does not pass the whole pathname in argv[0] for
Jack Jansen <jack.jansen@cwi.nl>
parents: 26944
diff changeset
529 */
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
530 else if(0 == _NSGetExecutablePath(execpath, &nsexeclength) && execpath[0] == SEP) {
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
531 size_t r = mbstowcs(progpath, execpath, MAXPATHLEN+1);
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
532 if (r == (size_t)-1 || r > MAXPATHLEN) {
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
533 /* Could not convert execpath, or it's too long. */
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
534 progpath[0] = '\0';
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
535 }
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
536 }
32399
472023d0a10d Change comment from C++ style to C.
Brett Cannon <bcannon@gmail.com>
parents: 32229
diff changeset
537 #endif /* __APPLE__ */
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
538 else if (path) {
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
539 while (1) {
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
540 wchar_t *delim = wcschr(path, DELIM);
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
541
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
542 if (delim) {
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
543 size_t len = delim - path;
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
544 if (len > MAXPATHLEN)
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
545 len = MAXPATHLEN;
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
546 wcsncpy(progpath, path, len);
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
547 *(progpath + len) = '\0';
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
548 }
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
549 else
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
550 wcsncpy(progpath, path, MAXPATHLEN);
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
551
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
552 joinpath(progpath, prog);
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
553 if (isxfile(progpath))
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
554 break;
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
555
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
556 if (!delim) {
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
557 progpath[0] = L'\0';
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
558 break;
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
559 }
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
560 path = delim + 1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
561 }
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
562 }
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
563 else
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
564 progpath[0] = '\0';
84490
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
565 PyMem_RawFree(path_buffer);
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
566 if (progpath[0] != SEP && progpath[0] != '\0')
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
567 absolutize(progpath);
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
568 wcsncpy(argv0_path, progpath, MAXPATHLEN);
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
569 argv0_path[MAXPATHLEN] = '\0';
21141
51b4572cf013 Changed logic for finding python home in Mac OS X framework Pythons.
Jack Jansen <jack.jansen@cwi.nl>
parents: 20156
diff changeset
570
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
571 #ifdef WITH_NEXT_FRAMEWORK
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
572 /* On Mac OS X we have a special case if we're running from a framework.
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
573 ** This is because the python home should be set relative to the library,
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
574 ** which is in the framework, not relative to the executable, which may
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
575 ** be outside of the framework. Except when we're in the build directory...
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
576 */
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
577 pythonModule = NSModuleForSymbol(NSLookupAndBindSymbol("_Py_Initialize"));
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
578 /* Use dylib functions to find out where the framework was loaded from */
78160
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
579 modPath = NSLibraryNameForModule(pythonModule);
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
580 if (modPath != NULL) {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
581 /* We're in a framework. */
19261
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
582 /* See if we might be in the build directory. The framework in the
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
583 ** build directory is incomplete, it only has the .dylib and a few
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
584 ** needed symlinks, it doesn't have the Lib directories and such.
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
585 ** If we're running with the framework from the build directory we must
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
586 ** be running the interpreter in the build directory, so we use the
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
587 ** build-directory-specific logic to find Lib and such.
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
588 */
78160
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
589 wchar_t* wbuf = _Py_char2wchar(modPath, NULL);
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
590 if (wbuf == NULL) {
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
591 Py_FatalError("Cannot decode framework location");
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
592 }
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
593
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
594 wcsncpy(argv0_path, wbuf, MAXPATHLEN);
19261
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
595 reduce(argv0_path);
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
596 joinpath(argv0_path, lib_python);
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
597 joinpath(argv0_path, LANDMARK);
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
598 if (!ismodule(argv0_path)) {
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
599 /* We are in the build directory so use the name of the
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
600 executable - we know that the absolute path is passed */
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
601 wcsncpy(argv0_path, progpath, MAXPATHLEN);
19261
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
602 }
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
603 else {
63983
293e332b8b4b Merged revisions 84008-84009 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 63169
diff changeset
604 /* Use the location of the library as the progpath */
78160
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
605 wcsncpy(argv0_path, wbuf, MAXPATHLEN);
19261
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
606 }
84490
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
607 PyMem_RawFree(wbuf);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
608 }
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
609 #endif
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
610
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
611 #if HAVE_READLINK
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
612 {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
613 wchar_t tmpbuffer[MAXPATHLEN+1];
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
614 int linklen = _Py_wreadlink(progpath, tmpbuffer, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
615 while (linklen != -1) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
616 if (tmpbuffer[0] == SEP)
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
617 /* tmpbuffer should never be longer than MAXPATHLEN,
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
618 but extra check does not hurt */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
619 wcsncpy(argv0_path, tmpbuffer, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
620 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
621 /* Interpret relative to progpath */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
622 reduce(argv0_path);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
623 joinpath(argv0_path, tmpbuffer);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
624 }
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
625 linklen = _Py_wreadlink(argv0_path, tmpbuffer, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
626 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
627 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
628 #endif /* HAVE_READLINK */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
629
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
630 reduce(argv0_path);
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
631 /* At this point, argv0_path is guaranteed to be less than
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
632 MAXPATHLEN bytes long.
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
633 */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
634
77154
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
635 /* Search for an environment configuration file, first in the
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
636 executable's directory and then in the parent directory.
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
637 If found, open it for use when searching for prefixes.
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
638 */
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
639
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
640 {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
641 wchar_t tmpbuffer[MAXPATHLEN+1];
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
642 wchar_t *env_cfg = L"pyvenv.cfg";
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
643 FILE * env_file = NULL;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
644
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
645 wcscpy(tmpbuffer, argv0_path);
78160
b79d276041a8 Closes #15307: symlinks now work on OS X with framework Python builds. Patch by Ronald Oussoren.
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 77154
diff changeset
646
77154
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
647 joinpath(tmpbuffer, env_cfg);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
648 env_file = _Py_wfopen(tmpbuffer, L"r");
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
649 if (env_file == NULL) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
650 errno = 0;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
651 reduce(tmpbuffer);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
652 reduce(tmpbuffer);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
653 joinpath(tmpbuffer, env_cfg);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
654 env_file = _Py_wfopen(tmpbuffer, L"r");
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
655 if (env_file == NULL) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
656 errno = 0;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
657 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
658 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
659 if (env_file != NULL) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
660 /* Look for a 'home' variable and set argv0_path to it, if found */
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
661 if (find_env_config_value(env_file, L"home", tmpbuffer)) {
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
662 wcscpy(argv0_path, tmpbuffer);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
663 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
664 fclose(env_file);
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
665 env_file = NULL;
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
666 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
667 }
294f8aeb4d4b Implemented PEP 405 (Python virtual environments).
Vinay Sajip <vinay_sajip@yahoo.co.uk>
parents: 70898
diff changeset
668
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
669 if (!(pfound = search_for_prefix(argv0_path, home, _prefix))) {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
670 if (!Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
671 fprintf(stderr,
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
672 "Could not find platform independent libraries <prefix>\n");
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
673 wcsncpy(prefix, _prefix, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
674 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
675 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
676 else
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
677 reduce(prefix);
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
678
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
679 wcsncpy(zip_path, prefix, MAXPATHLEN);
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
680 zip_path[MAXPATHLEN] = L'\0';
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
681 if (pfound > 0) { /* Use the reduced prefix returned by Py_GetPrefix() */
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
682 reduce(zip_path);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
683 reduce(zip_path);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
684 }
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
685 else
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
686 wcsncpy(zip_path, _prefix, MAXPATHLEN);
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
687 joinpath(zip_path, L"lib/python00.zip");
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
688 bufsz = wcslen(zip_path); /* Replace "00" with version */
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
689 zip_path[bufsz - 6] = VERSION[0];
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
690 zip_path[bufsz - 5] = VERSION[2];
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
691
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
692 if (!(efound = search_for_exec_prefix(argv0_path, home, _exec_prefix))) {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
693 if (!Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
694 fprintf(stderr,
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
695 "Could not find platform dependent libraries <exec_prefix>\n");
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
696 wcsncpy(exec_prefix, _exec_prefix, MAXPATHLEN);
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
697 joinpath(exec_prefix, L"lib/lib-dynload");
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
698 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
699 /* If we found EXEC_PREFIX do *not* reduce it! (Yet.) */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
700
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
701 if ((!pfound || !efound) && !Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
702 fprintf(stderr,
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
703 "Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]\n");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
704
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
705 /* Calculate size of return buffer.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
706 */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
707 bufsz = 0;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
708
80186
05f8f7544f92 Issue #16309: Make PYTHONPATH= behavior the same as if PYTHONPATH not set at all.
Andrew Svetlov <andrew.svetlov@gmail.com>
parents: 78160
diff changeset
709 if (_rtpypath && _rtpypath[0] != '\0') {
70898
f571ed28a9ba calculate_path() decodes the PYTHONPATH environment variable from the locale
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68662
diff changeset
710 size_t rtpypath_len;
f571ed28a9ba calculate_path() decodes the PYTHONPATH environment variable from the locale
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68662
diff changeset
711 rtpypath = _Py_char2wchar(_rtpypath, &rtpypath_len);
f571ed28a9ba calculate_path() decodes the PYTHONPATH environment variable from the locale
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68662
diff changeset
712 if (rtpypath != NULL)
f571ed28a9ba calculate_path() decodes the PYTHONPATH environment variable from the locale
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68662
diff changeset
713 bufsz += rtpypath_len + 1;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
714 }
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
715
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
716 defpath = _pythonpath;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
717 prefixsz = wcslen(prefix) + 1;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
718 while (1) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
719 wchar_t *delim = wcschr(defpath, DELIM);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
720
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
721 if (defpath[0] != SEP)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
722 /* Paths are relative to prefix */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
723 bufsz += prefixsz;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
724
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
725 if (delim)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
726 bufsz += delim - defpath + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
727 else {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
728 bufsz += wcslen(defpath) + 1;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
729 break;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
730 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
731 defpath = delim + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
732 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
733
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
734 bufsz += wcslen(zip_path) + 1;
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
735 bufsz += wcslen(exec_prefix) + 1;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
736
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
737 buf = (wchar_t *)PyMem_Malloc(bufsz*sizeof(wchar_t));
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
738
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
739 if (buf == NULL) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
740 /* We can't exit, so print a warning and limp along */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
741 fprintf(stderr, "Not enough memory for dynamic PYTHONPATH.\n");
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
742 fprintf(stderr, "Using default static PYTHONPATH.\n");
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
743 module_search_path = L"" PYTHONPATH;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
744 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
745 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
746 /* Run-time value of $PYTHONPATH goes first */
70898
f571ed28a9ba calculate_path() decodes the PYTHONPATH environment variable from the locale
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68662
diff changeset
747 if (rtpypath) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
748 wcscpy(buf, rtpypath);
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
749 wcscat(buf, delimiter);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
750 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
751 else
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
752 buf[0] = '\0';
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
753
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
754 /* Next is the default zip path */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
755 wcscat(buf, zip_path);
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
756 wcscat(buf, delimiter);
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
757
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
758 /* Next goes merge of compile-time $PYTHONPATH with
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
759 * dynamically located prefix.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
760 */
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
761 defpath = _pythonpath;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
762 while (1) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
763 wchar_t *delim = wcschr(defpath, DELIM);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
764
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
765 if (defpath[0] != SEP) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
766 wcscat(buf, prefix);
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
767 wcscat(buf, separator);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
768 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
769
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
770 if (delim) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
771 size_t len = delim - defpath + 1;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
772 size_t end = wcslen(buf) + len;
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
773 wcsncat(buf, defpath, len);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
774 *(buf + end) = '\0';
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
775 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
776 else {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
777 wcscat(buf, defpath);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
778 break;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
779 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
780 defpath = delim + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
781 }
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
782 wcscat(buf, delimiter);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
783
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
784 /* Finally, on goes the directory for dynamic-load modules */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
785 wcscat(buf, exec_prefix);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
786
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
787 /* And publish the results */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
788 module_search_path = buf;
68662
a791dd7d51f3 Issue #10914: fix bogus memory management in Modules/getpath.c, leading to a possible crash when calling Py_SetPath()
Antoine Pitrou <solipsis@pitrou.net>
parents: 68257
diff changeset
789 module_search_path_malloced = 1;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
790 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
791
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
792 /* Reduce prefix and exec_prefix to their essence,
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
793 * e.g. /usr/local/lib/python1.5 is reduced to /usr/local.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
794 * If we're loading relative to the build directory,
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
795 * return the compiled-in defaults instead.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
796 */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
797 if (pfound > 0) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
798 reduce(prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
799 reduce(prefix);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
800 /* The prefix is the root directory, but reduce() chopped
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
801 * off the "/". */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
802 if (!prefix[0])
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
803 wcscpy(prefix, separator);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
804 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
805 else
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
806 wcsncpy(prefix, _prefix, MAXPATHLEN);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
807
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
808 if (efound > 0) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
809 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
810 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
811 reduce(exec_prefix);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
812 if (!exec_prefix[0])
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59856
diff changeset
813 wcscpy(exec_prefix, separator);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
814 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
815 else
66096
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
816 wcsncpy(exec_prefix, _exec_prefix, MAXPATHLEN);
75e02fdbd33e Issue #6011: decode PREFIX, EXEC_PREFIX and PYTHONPATH variables using
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65600
diff changeset
817
84490
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
818 PyMem_RawFree(_pythonpath);
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
819 PyMem_RawFree(_prefix);
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
820 PyMem_RawFree(_exec_prefix);
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
821 PyMem_RawFree(rtpypath);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
822 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
823
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
824
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
825 /* External interface */
64955
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
826 void
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
827 Py_SetPath(const wchar_t *path)
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
828 {
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
829 if (module_search_path != NULL) {
68662
a791dd7d51f3 Issue #10914: fix bogus memory management in Modules/getpath.c, leading to a possible crash when calling Py_SetPath()
Antoine Pitrou <solipsis@pitrou.net>
parents: 68257
diff changeset
830 if (module_search_path_malloced)
84490
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
831 PyMem_RawFree(module_search_path);
64955
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
832 module_search_path = NULL;
68662
a791dd7d51f3 Issue #10914: fix bogus memory management in Modules/getpath.c, leading to a possible crash when calling Py_SetPath()
Antoine Pitrou <solipsis@pitrou.net>
parents: 68257
diff changeset
833 module_search_path_malloced = 0;
64955
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
834 }
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
835 if (path != NULL) {
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
836 extern wchar_t *Py_GetProgramName(void);
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
837 wchar_t *prog = Py_GetProgramName();
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
838 wcsncpy(progpath, prog, MAXPATHLEN);
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
839 exec_prefix[0] = prefix[0] = L'\0';
84490
18bb92b0c458 Issue #18203: Replace malloc() with PyMem_RawMalloc() at Python initialization
Victor Stinner <victor.stinner@gmail.com>
parents: 80186
diff changeset
840 module_search_path = PyMem_RawMalloc((wcslen(path) + 1) * sizeof(wchar_t));
68662
a791dd7d51f3 Issue #10914: fix bogus memory management in Modules/getpath.c, leading to a possible crash when calling Py_SetPath()
Antoine Pitrou <solipsis@pitrou.net>
parents: 68257
diff changeset
841 module_search_path_malloced = 1;
64955
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
842 if (module_search_path != NULL)
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
843 wcscpy(module_search_path, path);
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
844 }
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
845 }
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
846
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
847 wchar_t *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
848 Py_GetPath(void)
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
849 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
850 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
851 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
852 return module_search_path;
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
853 }
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
854
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
855 wchar_t *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
856 Py_GetPrefix(void)
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
857 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
858 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
859 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
860 return prefix;
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
861 }
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
862
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
863 wchar_t *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
864 Py_GetExecPrefix(void)
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
865 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
866 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
867 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
868 return exec_prefix;
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
869 }
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
870
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
871 wchar_t *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
872 Py_GetProgramFullPath(void)
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
873 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
874 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
875 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
876 return progpath;
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
877 }
37879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
878
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
879
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
880 #ifdef __cplusplus
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
881 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
882 #endif
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
883