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https://github.com/panda3d/panda3d.git
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Updated PYTHONPATH (with comments) and PYTHONHOME for WIN32 only
This commit is contained in:
Mike Christel
parent
c8fa5e77c0
commit
f5ec249898
@ -40,7 +40,6 @@
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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#include <limits.h>
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#define PATH_MAX 1024
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#ifdef __APPLE__
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@ -144,20 +143,12 @@ void getWrapperName(char *prog)
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void getMayaLocation(char *ver, char *loc)
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{
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char mpath[64];
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#if __WORDSIZE == 64
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sprintf(mpath, "/usr/autodesk/maya%s-x64", ver);
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#else
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sprintf(mpath, "/usr/autodesk/maya%s", ver);
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#endif
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struct stat st;
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if(stat(mpath, &st) == 0) {
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strcpy(loc, mpath);
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} else {
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#if __WORDSIZE == 64
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sprintf(mpath, "/usr/aw/maya%s-x64", ver);
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#else
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sprintf(mpath, "/usr/aw/maya%s", ver);
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#endif
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if(stat(mpath, &st) == 0) {
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strcpy(loc, mpath);
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} else {
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@ -181,8 +172,9 @@ void getWrapperName(char *prog)
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int main(int argc, char **argv)
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{
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char loc[1024], prog[1024];
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char *key, *path, *env1, *env2, *env3, *env4; int len;
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char loc[PATH_MAX], prog[PATH_MAX];
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char *key, *path, *env1, *env2, *env3, *env4;
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int nLocLen;
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key = getVersionNumber(TOSTRING(MAYAVERSION));
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if (key == 0) {
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@ -208,24 +200,95 @@ int main(int argc, char **argv)
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strcat(prog, "-wrapped");
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#endif
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// "loc" == MAYA_LOCATION
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// Now set PYTHONHOME & PYTHONPATH. Maya requires this to be
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// set and pointing within MAYA_LOCATION, or it might get itself
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// confused with another Python installation (e.g. Panda's).
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// Finally, prepend PATH with MAYA_LOCATION\bin; as well.
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// As of Sept. 2009, at least some WIN32 platforms had
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// much difficulty with Maya 2009 egging, e.g., see forums:
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// http://www.panda3d.org/phpbb2/viewtopic.php?p=42790
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//
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// Historically:
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// http://www.panda3d.org/phpbb2/viewtopic.php?t=3842
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// http://www.panda3d.org/phpbb2/viewtopic.php?t=6468
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// http://www.panda3d.org/phpbb2/viewtopic.php?t=6533
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// http://www.panda3d.org/phpbb2/viewtopic.php?t=5070
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//
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// Hoped solution: carry over code that was in mayapath.cxx
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// and use that here to set 4 important environment variables:
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// MAYA_LOCATION
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// PYTHONPATH
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// PYTHONHOME
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// PATH (add Maya bin to start of this)
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// BUT... mayapath.cxx makes use of FILENAME and other code
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// from the rest of the Panda build, so for now, to keep this
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// wrapper thinner, just correct/verify that the latter 3 environment
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// variables are set properly (as they are in mayapath.cxx)
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// for use with Maya under WIN32.
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// FIRST TRY, keeping PYTHONPATH simple, as just loc\Python, failed.
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// SECOND TRY, as coded formerly here (in mayaWrapper.cxx), also fails:
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// PYTHONPATH=%s\\bin;%s\\Python;%s\\Python\\DLLs;%s\\Python\\lib;%s\\Python\\lib\\site-packages
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// Eventually, solution was found that has AT MOST this (which does NOT match mayapath.cxx....):
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// PYTHONPATH=%s\\bin\\python25.zip;%s\\Python\\DLLs;%s\\Python\\lib;%s\\Python\\lib\\plat-win;%s\\Python\\lib\\lib-tk;%s\\bin;%s\\Python;%s\\Python\\lib\\site-packages", loc, loc, loc, loc, loc, loc, loc, loc);
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// One attempt to thin down to just the .zip file and the site-packages file works! This seems to be minimum needed
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// as removing the .zip file mentioned first will then break again with the dreaded:
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// "Invalid Python Environment: Python is unable to find Maya's Python modules"
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// Again, this minimal necessary set (for Maya 2009 32-bit at least) does NOT match mayapath.cxx....):
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// PYTHONPATH=%s\\bin\\python25.zip;%s\\Python\\lib\\site-packages", loc, loc);
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//
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#ifdef _WIN32
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// Not sure of non-WIN32 environments, but for WIN32,
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// verify that terminating directory/folder separator
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// character \ is NOT found at end of "loc" string:
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nLocLen = strlen(loc);
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if (nLocLen > 0 && loc[nLocLen - 1] == '\\')
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{
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loc[nLocLen - 1] = '\0';
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}
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path = getenv("PATH");
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if (path == 0) path = "";
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env1 = (char*)malloc(100 + strlen(loc) + strlen(path));
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sprintf(env1, "PATH=%s\\bin;%s", loc, path);
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env2 = (char*)malloc(100 + strlen(loc));
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sprintf(env2, "MAYA_LOCATION=%s", loc);
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env3 = (char*)malloc(300 + 5*strlen(loc));
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sprintf(env3, "PYTHONPATH=%s\\bin;%s\\Python;%s\\Python\\DLLs;%s\\Python\\lib;%s\\Python\\lib\\site-packages", loc, loc, loc, loc, loc);
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env3 = (char*)malloc(100 + strlen(loc));
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sprintf(env3, "PYTHONHOME=%s\\Python", loc);
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env4 = (char*)malloc(100 + 2*strlen(loc));
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// FYI, background on what does Maya (e.g., Maya 2009) expect
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// in PYTHONPATH by doing a check of sys.paths in Python
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// as discussed in
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// http://www.rtrowbridge.com/blog/2008/11/27/maya-python-import-scripts/
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// gives this:
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// C:\Program Files\Autodesk\Maya2009\bin\python25.zip
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// C:\Program Files\Autodesk\Maya2009\Python\DLLs
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// C:\Program Files\Autodesk\Maya2009\Python\lib
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// C:\Program Files\Autodesk\Maya2009\Python\lib\plat-win
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// C:\Program Files\Autodesk\Maya2009\Python\lib\lib-tk
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// C:\Program Files\Autodesk\Maya2009\bin
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// C:\Program Files\Autodesk\Maya2009\Python
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// C:\Program Files\Autodesk\Maya2009\Python\lib\site-packages
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// ...
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// Experimenting and a check of
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// http://www.panda3d.org/phpbb2/viewtopic.php?t=3842
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// leads to these 2 items being necessary and hopefully sufficient:
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// bin\python25.zip (within loc)
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// Python\lib\site-packages (within loc)
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// ...so set PYTHONPATH accordingly:
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sprintf(env4, "PYTHONPATH=%s\\bin\\python25.zip;%s\\Python\\lib\\site-packages", loc, loc);
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// Set environment variables MAYA_LOCATION, PYTHONHOME, PYTHONPATH, PATH
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_putenv(env2);
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_putenv(env3);
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_putenv(env4);
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_putenv(env1);
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#else
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#ifdef __APPLE__
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path = getenv("DYLD_LIBRARY_PATH");
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if (path == 0) path = "";
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env1 = (char*)malloc(100 + strlen(loc) + strlen(path));
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sprintf(env1, "DYLD_LIBRARY_PATH=%s/MacOS:%s", loc, path);
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env3 = (char*)malloc(100 + strlen(loc));
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sprintf(env3, "PYTHONHOME=%s/Frameworks/Python.framework/Versions/Current", loc);
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_putenv(env3);
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#else
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path = getenv("LD_LIBRARY_PATH");
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if (path == 0) path = "";
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@ -234,9 +297,13 @@ int main(int argc, char **argv)
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#endif // __APPLE__
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env2 = (char*)malloc(100 + strlen(loc));
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sprintf(env2, "MAYA_LOCATION=%s", loc);
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#endif // _WIN32
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env3 = (char*)malloc(100 + strlen(loc));
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sprintf(env3, "PYTHONHOME=%s/Frameworks/Python.framework/Versions/Current", loc);
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_putenv(env1);
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_putenv(env2);
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_putenv(env3);
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#endif // _WIN32
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#ifdef _WIN32
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STARTUPINFO si; PROCESS_INFORMATION pi;
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