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annotate Modules/getpath.c @ 65573:a2bb50ffdff3

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#3077: fix h2py substitution of character literals.
author Georg Brandl <georg@python.org>
date Thu, 21 Oct 2010 13:29:10 +0000
parents 9306ff1c3d46
children 5b6e13b6b473
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* Return the initial module search path. */
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2
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3 #include "Python.h"
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4 #include "osdefs.h"
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5
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6 #include <sys/types.h>
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7 #include <string.h>
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8
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9 #ifdef __APPLE__
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10 #include <mach-o/dyld.h>
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11 #endif
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12
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13 /* Search in some common locations for the associated Python libraries.
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14 *
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15 * Two directories must be found, the platform independent directory
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16 * (prefix), containing the common .py and .pyc files, and the platform
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17 * dependent directory (exec_prefix), containing the shared library
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18 * modules. Note that prefix and exec_prefix can be the same directory,
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19 * but for some installations, they are different.
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20 *
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21 * Py_GetPath() carries out separate searches for prefix and exec_prefix.
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22 * Each search tries a number of different locations until a ``landmark''
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23 * file or directory is found. If no prefix or exec_prefix is found, a
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24 * warning message is issued and the preprocessor defined PREFIX and
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25 * EXEC_PREFIX are used (even though they will not work); python carries on
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26 * as best as is possible, but most imports will fail.
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27 *
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28 * Before any searches are done, the location of the executable is
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29 * determined. If argv[0] has one or more slashes in it, it is used
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30 * unchanged. Otherwise, it must have been invoked from the shell's path,
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31 * so we search $PATH for the named executable and use that. If the
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32 * executable was not found on $PATH (or there was no $PATH environment
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33 * variable), the original argv[0] string is used.
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34 *
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35 * Next, the executable location is examined to see if it is a symbolic
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36 * link. If so, the link is chased (correctly interpreting a relative
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37 * pathname if one is found) and the directory of the link target is used.
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38 *
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39 * Finally, argv0_path is set to the directory containing the executable
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40 * (i.e. the last component is stripped).
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41 *
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42 * With argv0_path in hand, we perform a number of steps. The same steps
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43 * are performed for prefix and for exec_prefix, but with a different
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44 * landmark.
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45 *
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46 * Step 1. Are we running python out of the build directory? This is
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47 * checked by looking for a different kind of landmark relative to
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48 * argv0_path. For prefix, the landmark's path is derived from the VPATH
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49 * preprocessor variable (taking into account that its value is almost, but
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50 * not quite, what we need). For exec_prefix, the landmark is
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51 * pybuilddir.txt. If the landmark is found, we're done.
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52 *
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53 * For the remaining steps, the prefix landmark will always be
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54 * lib/python$VERSION/os.py and the exec_prefix will always be
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55 * lib/python$VERSION/lib-dynload, where $VERSION is Python's version
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56 * number as supplied by the Makefile. Note that this means that no more
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57 * build directory checking is performed; if the first step did not find
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58 * the landmarks, the assumption is that python is running from an
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59 * installed setup.
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60 *
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61 * Step 2. See if the $PYTHONHOME environment variable points to the
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62 * installed location of the Python libraries. If $PYTHONHOME is set, then
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63 * it points to prefix and exec_prefix. $PYTHONHOME can be a single
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64 * directory, which is used for both, or the prefix and exec_prefix
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65 * directories separated by a colon.
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66 *
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67 * Step 3. Try to find prefix and exec_prefix relative to argv0_path,
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68 * backtracking up the path until it is exhausted. This is the most common
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69 * step to succeed. Note that if prefix and exec_prefix are different,
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70 * exec_prefix is more likely to be found; however if exec_prefix is a
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71 * subdirectory of prefix, both will be found.
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72 *
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73 * Step 4. Search the directories pointed to by the preprocessor variables
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74 * PREFIX and EXEC_PREFIX. These are supplied by the Makefile but can be
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75 * passed in as options to the configure script.
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76 *
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77 * That's it!
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78 *
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79 * Well, almost. Once we have determined prefix and exec_prefix, the
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80 * preprocessor variable PYTHONPATH is used to construct a path. Each
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81 * relative path on PYTHONPATH is prefixed with prefix. Then the directory
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82 * containing the shared library modules is appended. The environment
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83 * variable $PYTHONPATH is inserted in front of it all. Finally, the
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84 * prefix and exec_prefix globals are tweaked so they reflect the values
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85 * expected by other code, by stripping the "lib/python$VERSION/..." stuff
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86 * off. If either points to the build directory, the globals are reset to
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87 * the corresponding preprocessor variables (so sys.prefix will reflect the
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88 * installation location, even though sys.path points into the build
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89 * directory). This seems to make more sense given that currently the only
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90 * known use of sys.prefix and sys.exec_prefix is for the ILU installation
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91 * process to find the installed Python tree.
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92 *
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93 * An embedding application can use Py_SetPath() to override all of
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94 * these authomatic path computations.
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95 *
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96 * NOTE: Windows MSVC builds use PC/getpathp.c instead!
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97 */
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98
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99 #ifdef __cplusplus
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100 extern "C" {
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101 #endif
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102
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103
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104 #ifndef VERSION
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105 #define VERSION "2.1"
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106 #endif
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107
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108 #ifndef VPATH
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109 #define VPATH "."
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110 #endif
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111
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112 #ifndef PREFIX
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113 # ifdef __VMS
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114 # define PREFIX ""
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115 # else
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116 # define PREFIX "/usr/local"
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117 # endif
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118 #endif
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119
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120 #ifndef EXEC_PREFIX
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121 #define EXEC_PREFIX PREFIX
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122 #endif
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123
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124 #ifndef PYTHONPATH
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125 #define PYTHONPATH PREFIX "/lib/python" VERSION ":" \
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126 EXEC_PREFIX "/lib/python" VERSION "/lib-dynload"
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127 #endif
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128
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129 #ifndef LANDMARK
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130 #define LANDMARK L"os.py"
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131 #endif
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132
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133 static wchar_t prefix[MAXPATHLEN+1];
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diff changeset
134 static wchar_t exec_prefix[MAXPATHLEN+1];
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diff changeset
135 static wchar_t progpath[MAXPATHLEN+1];
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diff changeset
136 static wchar_t *module_search_path = NULL;
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
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137 static wchar_t *lib_python = L"lib/python" VERSION;
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138
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139 static void
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140 reduce(wchar_t *dir)
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141 {
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142 size_t i = wcslen(dir);
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143 while (i > 0 && dir[i] != SEP)
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144 --i;
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145 dir[i] = '\0';
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146 }
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147
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148 static int
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149 isfile(wchar_t *filename) /* Is file, not directory */
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150 {
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151 struct stat buf;
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152 if (_Py_wstat(filename, &buf) != 0)
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153 return 0;
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154 if (!S_ISREG(buf.st_mode))
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155 return 0;
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156 return 1;
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157 }
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158
419dca2b3a61 Instead of a single exists(), differentiate between files, modules,
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159
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160 static int
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161 ismodule(wchar_t *filename) /* Is module -- check for .pyc/.pyo too */
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162 {
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163 if (isfile(filename))
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164 return 1;
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165
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166 /* Check for the compiled version of prefix. */
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167 if (wcslen(filename) < MAXPATHLEN) {
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168 wcscat(filename, Py_OptimizeFlag ? L"o" : L"c");
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169 if (isfile(filename))
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170 return 1;
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171 }
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172 return 0;
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173 }
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174
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175
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176 static int
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177 isxfile(wchar_t *filename) /* Is executable file */
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178 {
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179 struct stat buf;
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180 if (_Py_wstat(filename, &buf) != 0)
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181 return 0;
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182 if (!S_ISREG(buf.st_mode))
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183 return 0;
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184 if ((buf.st_mode & 0111) == 0)
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185 return 0;
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186 return 1;
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187 }
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188
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189
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190 static int
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191 isdir(wchar_t *filename) /* Is directory */
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192 {
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193 struct stat buf;
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194 if (_Py_wstat(filename, &buf) != 0)
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195 return 0;
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196 if (!S_ISDIR(buf.st_mode))
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197 return 0;
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198 return 1;
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199 }
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200
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201
33038
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diff changeset
202 /* Add a path component, by appending stuff to buffer.
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203 buffer must have at least MAXPATHLEN + 1 bytes allocated, and contain a
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204 NUL-terminated string with no more than MAXPATHLEN characters (not counting
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diff changeset
205 the trailing NUL). It's a fatal error if it contains a string longer than
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206 that (callers must be careful!). If these requirements are met, it's
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diff changeset
207 guaranteed that buffer will still be a NUL-terminated string with no more
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208 than MAXPATHLEN characters at exit. If stuff is too long, only as much of
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diff changeset
209 stuff as fits will be appended.
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diff changeset
210 */
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211 static void
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diff changeset
212 joinpath(wchar_t *buffer, wchar_t *stuff)
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213 {
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diff changeset
214 size_t n, k;
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215 if (stuff[0] == SEP)
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diff changeset
216 n = 0;
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217 else {
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218 n = wcslen(buffer);
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219 if (n > 0 && buffer[n-1] != SEP && n < MAXPATHLEN)
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diff changeset
220 buffer[n++] = SEP;
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diff changeset
221 }
33038
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diff changeset
222 if (n > MAXPATHLEN)
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
223 Py_FatalError("buffer overflow in getpath.c's joinpath()");
46318
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diff changeset
224 k = wcslen(stuff);
13428
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diff changeset
225 if (n + k > MAXPATHLEN)
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diff changeset
226 k = MAXPATHLEN - n;
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diff changeset
227 wcsncpy(buffer+n, stuff, k);
13428
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diff changeset
228 buffer[n+k] = '\0';
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229 }
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diff changeset
230
20156
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231 /* copy_absolute requires that path be allocated at least
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diff changeset
232 MAXPATHLEN + 1 bytes and that p be no more than MAXPATHLEN bytes. */
14845
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
233 static void
65312
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parents: 65169
diff changeset
234 copy_absolute(wchar_t *path, wchar_t *p, size_t pathlen)
14845
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14375
diff changeset
235 {
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diff changeset
236 if (p[0] == SEP)
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237 wcscpy(path, p);
14845
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Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
238 else {
65312
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diff changeset
239 if (!_Py_wgetcwd(path, pathlen)) {
65169
77a6a249e24e copy_absolute() keeps the relative path on _Py_wgetcwd() failure
Victor Stinner <victor.stinner@haypocalc.com>
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diff changeset
240 /* unable to get the current directory */
77a6a249e24e copy_absolute() keeps the relative path on _Py_wgetcwd() failure
Victor Stinner <victor.stinner@haypocalc.com>
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diff changeset
241 wcscpy(path, p);
77a6a249e24e copy_absolute() keeps the relative path on _Py_wgetcwd() failure
Victor Stinner <victor.stinner@haypocalc.com>
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diff changeset
242 return;
77a6a249e24e copy_absolute() keeps the relative path on _Py_wgetcwd() failure
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parents: 65167
diff changeset
243 }
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diff changeset
244 if (p[0] == '.' && p[1] == SEP)
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diff changeset
245 p += 2;
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diff changeset
246 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
247 }
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 }
5300
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diff changeset
249
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diff changeset
250 /* absolutize() requires that path be allocated at least MAXPATHLEN+1 bytes. */
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diff changeset
251 static void
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diff changeset
252 absolutize(wchar_t *path)
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diff changeset
253 {
65312
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parents: 65169
diff changeset
254 wchar_t buffer[MAXPATHLEN+1];
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diff changeset
255
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
256 if (path[0] == SEP)
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diff changeset
257 return;
65312
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diff changeset
258 copy_absolute(buffer, path, MAXPATHLEN+1);
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diff changeset
259 wcscpy(path, buffer);
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diff changeset
260 }
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diff changeset
261
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
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diff changeset
262 /* search_for_prefix requires that argv0_path be no more than MAXPATHLEN
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diff changeset
263 bytes long.
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
264 */
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diff changeset
265 static int
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diff changeset
266 search_for_prefix(wchar_t *argv0_path, wchar_t *home)
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diff changeset
267 {
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diff changeset
268 size_t n;
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269 wchar_t *vpath;
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diff changeset
270
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diff changeset
271 /* If PYTHONHOME is set, we believe it unconditionally */
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diff changeset
272 if (home) {
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273 wchar_t *delim;
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diff changeset
274 wcsncpy(prefix, home, MAXPATHLEN);
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diff changeset
275 delim = wcschr(prefix, DELIM);
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diff changeset
276 if (delim)
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277 *delim = L'\0';
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diff changeset
278 joinpath(prefix, lib_python);
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diff changeset
279 joinpath(prefix, LANDMARK);
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diff changeset
280 return 1;
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diff changeset
281 }
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282
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diff changeset
283 /* Check to see if argv[0] is in the build directory */
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diff changeset
284 wcscpy(prefix, argv0_path);
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diff changeset
285 joinpath(prefix, L"Modules/Setup");
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diff changeset
286 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
287 /* Check VPATH to see if argv0_path is in the build directory. */
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diff changeset
288 vpath = L"" VPATH;
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289 wcscpy(prefix, argv0_path);
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diff changeset
290 joinpath(prefix, vpath);
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diff changeset
291 joinpath(prefix, L"Lib");
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diff changeset
292 joinpath(prefix, LANDMARK);
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Fred Drake <fdrake@acm.org>
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diff changeset
293 if (ismodule(prefix))
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Fred Drake <fdrake@acm.org>
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diff changeset
294 return -1;
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parents: 13256
diff changeset
295 }
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296
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diff changeset
297 /* Search from argv0_path, until root is found */
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Victor Stinner <victor.stinner@haypocalc.com>
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diff changeset
298 copy_absolute(prefix, argv0_path, MAXPATHLEN+1);
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diff changeset
299 do {
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300 n = wcslen(prefix);
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diff changeset
301 joinpath(prefix, lib_python);
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
302 joinpath(prefix, LANDMARK);
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
303 if (ismodule(prefix))
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Fred Drake <fdrake@acm.org>
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diff changeset
304 return 1;
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305 prefix[n] = L'\0';
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diff changeset
306 reduce(prefix);
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
307 } while (prefix[0]);
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diff changeset
308
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diff changeset
309 /* Look at configure's PREFIX */
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diff changeset
310 wcsncpy(prefix, L"" PREFIX, MAXPATHLEN);
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diff changeset
311 joinpath(prefix, lib_python);
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Fred Drake <fdrake@acm.org>
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diff changeset
312 joinpath(prefix, LANDMARK);
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
313 if (ismodule(prefix))
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parents: 13256
diff changeset
314 return 1;
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diff changeset
315
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diff changeset
316 /* Fail */
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Fred Drake <fdrake@acm.org>
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diff changeset
317 return 0;
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diff changeset
318 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
319
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
320
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
321 /* 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
322 MAXPATHLEN bytes long.
14898
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
323 */
5300
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
324 static int
46318
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Martin v. Löwis <martin@v.loewis.de>
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diff changeset
325 search_for_exec_prefix(wchar_t *argv0_path, wchar_t *home)
5300
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
326 {
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diff changeset
327 size_t n;
5300
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diff changeset
328
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diff changeset
329 /* 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
330 if (home) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
331 wchar_t *delim;
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
332 delim = wcschr(home, DELIM);
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
333 if (delim)
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
334 wcsncpy(exec_prefix, delim+1, MAXPATHLEN);
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
335 else
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
336 wcsncpy(exec_prefix, home, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
337 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
338 joinpath(exec_prefix, L"lib-dynload");
13428
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Fred Drake <fdrake@acm.org>
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diff changeset
339 return 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
340 }
5300
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Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
341
63961
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
342 /* 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
343 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
344 of shared library modules. */
46318
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Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
345 wcscpy(exec_prefix, argv0_path);
63961
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
346 joinpath(exec_prefix, L"pybuilddir.txt");
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
347 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
348 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
349 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
350 errno = 0;
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
351 else {
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
352 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
353 PyObject *decoded;
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
354 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
355 size_t n;
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
356 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
357 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
358 fclose(f);
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
359 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
360 if (decoded != NULL) {
63964
ab6946972b7f Kill a gcc warning introduced by r83988
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63962
diff changeset
361 n = PyUnicode_AsWideChar((PyUnicodeObject*)decoded,
ab6946972b7f Kill a gcc warning introduced by r83988
Victor Stinner <victor.stinner@haypocalc.com>
parents: 63962
diff changeset
362 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
363 Py_DECREF(decoded);
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
364 if (n >= 0) {
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
365 rel_builddir_path[n] = L'\0';
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
366 wcscpy(exec_prefix, argv0_path);
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
367 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
368 return -1;
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
369 }
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
370 }
4742e7aea2f5 Reimplement addbuilddir() in C inside getpath.c, so as to execute it
Antoine Pitrou <solipsis@pitrou.net>
parents: 63168
diff changeset
371 }
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
372 }
12775
8e2b35d386aa Patch from M.-A. Lemburg:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12576
diff changeset
373
13428
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Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
374 /* 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
375 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
376 do {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
377 n = wcslen(exec_prefix);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
378 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
379 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
380 if (isdir(exec_prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
381 return 1;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
382 exec_prefix[n] = L'\0';
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
383 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
384 } 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
385
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
386 /* Look at configure's EXEC_PREFIX */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
387 wcsncpy(exec_prefix, L"" EXEC_PREFIX, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
388 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
389 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
390 if (isdir(exec_prefix))
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
391 return 1;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
392
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
393 /* Fail */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
394 return 0;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
395 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
396
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
397
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
398 static void
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
399 calculate_path(void)
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
400 {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
401 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
402
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
403 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
404 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
405 wchar_t *pythonpath = L"" PYTHONPATH;
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
406 char *_rtpypath = Py_GETENV("PYTHONPATH"); /* XXX use wide version on Windows */
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
407 wchar_t rtpypath[MAXPATHLEN+1];
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
408 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
409 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
410 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
411 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
412 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
413 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
414 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
415 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
416 wchar_t *buf;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
417 size_t bufsz;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
418 size_t prefixsz;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
419 wchar_t *defpath = pythonpath;
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
420 #ifdef WITH_NEXT_FRAMEWORK
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
421 NSModule pythonModule;
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
422 #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
423 #ifdef __APPLE__
36205
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
424 #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
425 uint32_t nsexeclength = MAXPATHLEN;
36205
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
426 #else
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
427 unsigned long nsexeclength = MAXPATHLEN;
01cbed5e8731 squash compiler warning on Mac OSX 10.3
Skip Montanaro <skip@pobox.com>
parents: 35578
diff changeset
428 #endif
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
429 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
430 #endif
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
431
65414
9306ff1c3d46 Oops, fix my previous commit (r85583) on calculate_path()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65413
diff changeset
432 if (_path) {
9306ff1c3d46 Oops, fix my previous commit (r85583) on calculate_path()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65413
diff changeset
433 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
434 path = path_buffer;
9306ff1c3d46 Oops, fix my previous commit (r85583) on calculate_path()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65413
diff changeset
435 }
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
436
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
437 /* If there is no slash in the argv0 path, then we have to
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
438 * assume python is on the user's $PATH, since there's no
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
439 * other way to find a directory to start the search from. If
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
440 * $PATH isn't exported, you lose.
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
441 */
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
442 if (wcschr(prog, SEP))
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
443 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
444 #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
445 /* 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
446 * "#!/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
447 * 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
448 * 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
449 * 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
450 * 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
451 * 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
452 * 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
453 * 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
454 */
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
455 else if(0 == _NSGetExecutablePath(execpath, &nsexeclength) && execpath[0] == SEP) {
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
456 size_t r = mbstowcs(progpath, execpath, MAXPATHLEN+1);
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
457 if (r == (size_t)-1 || r > MAXPATHLEN) {
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
458 /* Could not convert execpath, or it's too long. */
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
459 progpath[0] = '\0';
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
460 }
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
461 }
32399
472023d0a10d Change comment from C++ style to C.
Brett Cannon <bcannon@gmail.com>
parents: 32229
diff changeset
462 #endif /* __APPLE__ */
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
463 else if (path) {
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
464 while (1) {
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
465 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
466
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
467 if (delim) {
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
468 size_t len = delim - path;
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
469 if (len > MAXPATHLEN)
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
470 len = MAXPATHLEN;
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
471 wcsncpy(progpath, path, len);
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
472 *(progpath + len) = '\0';
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
473 }
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
474 else
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
475 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
476
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
477 joinpath(progpath, prog);
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
478 if (isxfile(progpath))
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
479 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
480
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
481 if (!delim) {
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
482 progpath[0] = L'\0';
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
483 break;
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
484 }
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
485 path = delim + 1;
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
486 }
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
487 }
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
488 else
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
489 progpath[0] = '\0';
65414
9306ff1c3d46 Oops, fix my previous commit (r85583) on calculate_path()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65413
diff changeset
490 if (path_buffer != NULL)
9306ff1c3d46 Oops, fix my previous commit (r85583) on calculate_path()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 65413
diff changeset
491 PyMem_Free(path_buffer);
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
492 if (progpath[0] != SEP && progpath[0] != '\0')
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
493 absolutize(progpath);
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
494 wcsncpy(argv0_path, progpath, MAXPATHLEN);
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
495 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
496
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
497 #ifdef WITH_NEXT_FRAMEWORK
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
498 /* On Mac OS X we have a special case if we're running from a framework.
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
499 ** This is because the python home should be set relative to the library,
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
500 ** which is in the framework, not relative to the executable, which may
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
501 ** be outside of the framework. Except when we're in the build directory...
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
502 */
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
503 pythonModule = NSModuleForSymbol(NSLookupAndBindSymbol("_Py_Initialize"));
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
504 /* Use dylib functions to find out where the framework was loaded from */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
505 buf = (wchar_t *)NSLibraryNameForModule(pythonModule);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
506 if (buf != NULL) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
507 /* 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
508 /* 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
509 ** 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
510 ** 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
511 ** 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
512 ** 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
513 ** 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
514 */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
515 wcsncpy(argv0_path, buf, 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
516 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
517 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
518 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
519 if (!ismodule(argv0_path)) {
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
520 /* We are in the build directory so use the name of the
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
521 executable - we know that the absolute path is passed */
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
522 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
523 }
ca7dbacbbe18 With WITH_NEXT_FRAMEWORK defined we now also expect a normal Python
Jack Jansen <jack.jansen@cwi.nl>
parents: 19061
diff changeset
524 else {
63982
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
525 /* Use the location of the library as the progpath */
2d7bba1cf3bc Fix indentation in Modules/getpath.c
Antoine Pitrou <solipsis@pitrou.net>
parents: 63981
diff changeset
526 wcsncpy(argv0_path, buf, 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
527 }
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
528 }
9970
8efa37a770c6 Patches by William Lewis for Nextstep descendants.
Guido van Rossum <guido@python.org>
parents: 8203
diff changeset
529 #endif
20156
416f0bc228e8 Be more rigorous about making pathnames absolute, to address SF bug
Guido van Rossum <guido@python.org>
parents: 19261
diff changeset
530
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
531 #if HAVE_READLINK
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
532 {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
533 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
534 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
535 while (linklen != -1) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
536 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
537 /* 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
538 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
539 wcsncpy(argv0_path, tmpbuffer, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
540 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
541 /* Interpret relative to progpath */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
542 reduce(argv0_path);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
543 joinpath(argv0_path, tmpbuffer);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
544 }
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
545 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
546 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
547 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
548 #endif /* HAVE_READLINK */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
549
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
550 reduce(argv0_path);
14898
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
551 /* 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
552 MAXPATHLEN bytes long.
4bea4f59c4e4 Fix buffer overflow vulnerabilities in calculate_path(). Code used
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 14845
diff changeset
553 */
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
554
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
555 if (!(pfound = search_for_prefix(argv0_path, home))) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
556 if (!Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
557 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
558 "Could not find platform independent libraries <prefix>\n");
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
559 wcsncpy(prefix, L"" PREFIX, MAXPATHLEN);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
560 joinpath(prefix, lib_python);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
561 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
562 else
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
563 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
564
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
565 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
566 zip_path[MAXPATHLEN] = L'\0';
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
567 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
568 reduce(zip_path);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
569 reduce(zip_path);
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
570 }
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
571 else
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
572 wcsncpy(zip_path, L"" PREFIX, MAXPATHLEN);
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
573 joinpath(zip_path, L"lib/python00.zip");
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
574 bufsz = wcslen(zip_path); /* Replace "00" with version */
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
575 zip_path[bufsz - 6] = VERSION[0];
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
576 zip_path[bufsz - 5] = VERSION[2];
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
577
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
578 if (!(efound = search_for_exec_prefix(argv0_path, home))) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
579 if (!Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
580 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
581 "Could not find platform dependent libraries <exec_prefix>\n");
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
582 wcsncpy(exec_prefix, L"" EXEC_PREFIX, MAXPATHLEN);
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
583 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
584 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
585 /* 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
586
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
587 if ((!pfound || !efound) && !Py_FrozenFlag)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
588 fprintf(stderr,
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
589 "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
590
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
591 /* Calculate size of return buffer.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
592 */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
593 bufsz = 0;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
594
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
595 if (_rtpypath) {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
596 size_t s = mbstowcs(rtpypath, _rtpypath, sizeof(rtpypath)/sizeof(wchar_t));
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
597 if (s == (size_t)-1 || s >=sizeof(rtpypath))
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
598 /* XXX deal with errors more gracefully */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
599 _rtpypath = NULL;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
600 if (_rtpypath)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
601 bufsz += wcslen(rtpypath) + 1;
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
602 }
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
603
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
604 prefixsz = wcslen(prefix) + 1;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
605
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
606 while (1) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
607 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
608
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
609 if (defpath[0] != SEP)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
610 /* Paths are relative to prefix */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
611 bufsz += prefixsz;
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
612
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
613 if (delim)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
614 bufsz += delim - defpath + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
615 else {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
616 bufsz += wcslen(defpath) + 1;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
617 break;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
618 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
619 defpath = delim + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
620 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
621
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
622 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
623 bufsz += wcslen(exec_prefix) + 1;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
624
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
625 /* This is the only malloc call in this file */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
626 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
627
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
628 if (buf == NULL) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
629 /* 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
630 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
631 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
632 module_search_path = L"" PYTHONPATH;
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
633 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
634 else {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
635 /* Run-time value of $PYTHONPATH goes first */
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
636 if (_rtpypath) {
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
637 wcscpy(buf, rtpypath);
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
638 wcscat(buf, delimiter);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
639 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
640 else
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
641 buf[0] = '\0';
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
642
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
643 /* 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
644 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
645 wcscat(buf, delimiter);
26885
54aacb87beda PEP 302 + zipimport:
Just van Rossum <just@letterror.com>
parents: 26764
diff changeset
646
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
647 /* 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
648 * dynamically located prefix.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
649 */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
650 defpath = pythonpath;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
651 while (1) {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
652 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
653
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
654 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
655 wcscat(buf, prefix);
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
656 wcscat(buf, separator);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
657 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
658
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
659 if (delim) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
660 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
661 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
662 wcsncat(buf, defpath, len);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
663 *(buf + end) = '\0';
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
664 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
665 else {
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
666 wcscat(buf, defpath);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
667 break;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
668 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
669 defpath = delim + 1;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
670 }
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
671 wcscat(buf, delimiter);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
672
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
673 /* 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
674 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
675
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
676 /* And publish the results */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
677 module_search_path = buf;
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
678 }
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
679
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
680 /* 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
681 * 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
682 * 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
683 * return the compiled-in defaults instead.
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
684 */
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
685 if (pfound > 0) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
686 reduce(prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
687 reduce(prefix);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
688 /* The prefix is the root directory, but reduce() chopped
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
689 * off the "/". */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
690 if (!prefix[0])
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
691 wcscpy(prefix, separator);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
692 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
693 else
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
694 wcsncpy(prefix, L"" PREFIX, MAXPATHLEN);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
695
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
696 if (efound > 0) {
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
697 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
698 reduce(exec_prefix);
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
699 reduce(exec_prefix);
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
700 if (!exec_prefix[0])
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 59532
diff changeset
701 wcscpy(exec_prefix, separator);
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
702 }
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
703 else
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
704 wcsncpy(exec_prefix, L"" EXEC_PREFIX, MAXPATHLEN);
5300
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
705 }
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
706
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
707
e77942562dd3 Completely revamped the way the default path is constructed.
Guido van Rossum <guido@python.org>
parents: 4503
diff changeset
708 /* External interface */
64955
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
709 void
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
710 Py_SetPath(const wchar_t *path)
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
711 {
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
712 if (module_search_path != NULL) {
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
713 free(module_search_path);
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
714 module_search_path = NULL;
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
715 }
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
716 if (path != NULL) {
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
717 extern wchar_t *Py_GetProgramName(void);
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
718 wchar_t *prog = Py_GetProgramName();
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
719 wcsncpy(progpath, prog, MAXPATHLEN);
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
720 exec_prefix[0] = prefix[0] = L'\0';
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
721 module_search_path = malloc((wcslen(path) + 1) * sizeof(wchar_t));
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
722 if (module_search_path != NULL)
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
723 wcscpy(module_search_path, path);
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
724 }
fd5e51035335 issue 9910
Kristján Valur Jónsson <kristjan@ccpgames.com>
parents: 63982
diff changeset
725 }
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
726
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
727 wchar_t *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
728 Py_GetPath(void)
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
729 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
730 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
731 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
732 return module_search_path;
2896
f0d9f800a4aa Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
733 }
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
734
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
735 wchar_t *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
736 Py_GetPrefix(void)
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
737 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
738 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
739 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
740 return prefix;
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
741 }
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
742
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
743 wchar_t *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
744 Py_GetExecPrefix(void)
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
745 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
746 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
747 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
748 return exec_prefix;
3674
3eaf2c673a11 provide access to $(exec_)prefix
Guido van Rossum <guido@python.org>
parents: 3621
diff changeset
749 }
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
750
46318
22a74eaf6b22 Change command line processing API to use wchar_t.
Martin v. Löwis <martin@v.loewis.de>
parents: 41554
diff changeset
751 wchar_t *
13651
8a063423e0b7 Bunch of minor ANSIfications: 'void initfunc()' -> 'void initfunc(void)',
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
752 Py_GetProgramFullPath(void)
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
753 {
13428
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
754 if (!module_search_path)
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
755 calculate_path();
0d6af303a86c ANSI-fied sources, converted to four-space indentation.
Fred Drake <fdrake@acm.org>
parents: 13256
diff changeset
756 return progpath;
5568
139ab21d2629 Make delimiter and separator static for K&R C.
Guido van Rossum <guido@python.org>
parents: 5500
diff changeset
757 }
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
758
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
759
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
760 #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
761 }
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
Thomas Wouters <thomas@python.org>
parents: 36623
diff changeset
762 #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
763