Mercurial > cpython-lru_cache-weakref

annotate Modules/getpath.c @ 4439:fb1237bf7022 legacy-trunk

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Changed version to plain "1.4".
author Guido van Rossum <guido@python.org>
date Tue, 22 Oct 1996 03:09:46 +0000
parents 4286910080a9
children 65d2d8e67da3
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1 /***********************************************************
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2 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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3 The Netherlands.
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4
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5 All Rights Reserved
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6
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7 Permission to use, copy, modify, and distribute this software and its
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8 documentation for any purpose and without fee is hereby granted,
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9 provided that the above copyright notice appear in all copies and that
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10 both that copyright notice and this permission notice appear in
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11 supporting documentation, and that the names of Stichting Mathematisch
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12 Centrum or CWI not be used in advertising or publicity pertaining to
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13 distribution of the software without specific, written prior permission.
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14
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15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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22
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23 ******************************************************************/
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24
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25 /* Return the initial module search path. */
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26
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27 #include "Python.h"
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28 #include "osdefs.h"
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29
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30
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31 #ifndef PYTHONPATH
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32 #define PYTHONPATH "/usr/local/lib/python"
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33 #endif
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34
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35 #ifndef PREFIX
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36 #define PREFIX "/usr/local"
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37 #endif
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38
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39 #ifndef EXEC_PREFIX
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40 #define EXEC_PREFIX PREFIX
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41 #endif
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42
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43
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44 /* This is called once from pythonrun to initialize sys.path. The
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45 environment variable PYTHONPATH is fetched and the default path
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46 appended. The default path may be passed to the preprocessor; if
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47 not, a hardcoded default is used, which only makes (some) sense on
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48 Unix. */
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49
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50 char *
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51 Py_GetPath()
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52 {
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53 char *path = getenv("PYTHONPATH");
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54 char *defpath = PYTHONPATH;
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55 static char *buf = NULL;
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56 char *p;
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57 int n;
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58
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59 if (path == NULL)
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60 path = "";
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61 n = strlen(path) + strlen(defpath) + 2;
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62 if (buf != NULL) {
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63 free(buf);
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64 buf = NULL;
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65 }
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66 buf = malloc(n);
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67 if (buf == NULL)
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68 Py_FatalError("not enough memory to copy module search path");
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69 strcpy(buf, path);
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70 p = buf + strlen(buf);
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71 if (p != buf)
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72 *p++ = DELIM;
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73 strcpy(p, defpath);
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74 return buf;
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75 }
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76
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77
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78 /* Similar for Makefile variables $prefix and $exec_prefix */
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79
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80 char *
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81 Py_GetPrefix()
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82 {
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83 return PREFIX;
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84 }
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85
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86 char *
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87 Py_GetExecPrefix()
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88 {
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89 return EXEC_PREFIX;
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90 }