This is getting a bit outside of my knowledge area, but it does look like the environment variables are not being set up correctly when the Python process is run. This is probably a more general apache/mod_php sort of question, but it would be great to post the answer here so we can add a solution to the matplotlib FAQ.
Cheers, Mike "Jonathan Hayward, http://JonathansCorner.com"; wrote: > It looks like an apache that thinks it's root: > > os.system("whoami") > print "<br>" > print os.geteuid() > print "<br>" > print os.getuid() > print "<br>" > print os.path.expanduser("~") > print "<br>" > print os.getenv("HOME") > print "<br>" > print os.getenv("USERPROFILE") > print "<br>" > print os.getenv("USER") > print "<br>" > print os.getenv("TMP") > print "<br>" > > produces: > > apache > 81 > 81 > /root > /root > None > root > None > > So I should adjust the system so a confused apache-owned process that > thinks it's root will run? Or are there features to ask PHP to spawn > subprocesses that know who they're running as? (or is that something > beside the point of this list?) > > On Fri, Aug 1, 2008 at 1:09 PM, Michael Droettboom <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > Below is the code in mpl that actually does the lookup. To get to > the bottom of this, I would try to figure out in your Apache/PHP > environment what > > a) what os.path.expanduser("~") gives > > b) what the values of the environment variables "HOME", > "USERPROFILE", "USER", and "TMP" are. > > I suspect either matplotlib is not getting run under user 'apache' > as it should, or there is something fishy about the environment. > > Cheers, > Mike > > def _get_home(): > """Find user's home directory if possible. > Otherwise raise error. > > :see: > http://mail.python.org/pipermail/python-list/2005-February/263921.html > """ > path='' > try: > path=os.path.expanduser("~") > except: > pass > if not os.path.isdir(path): > for evar in ('HOME', 'USERPROFILE', 'TMP'): > try: > path = os.environ[evar] > if os.path.isdir(path): > break > except: pass > if path: > return path > else: > raise RuntimeError('please define environment variable $HOME') > > > > get_home = verbose.wrap('$HOME=%s', _get_home, always=False) > > def _get_configdir(): > """ > Return the string representing the configuration dir. > > default is HOME/.matplotlib. you can override this with the > MPLCONFIGDIR environment variable > """ > > configdir = os.environ.get('MPLCONFIGDIR') > if configdir is not None: > if not _is_writable_dir(configdir): > raise RuntimeError('Could not write to > MPLCONFIGDIR="%s"'%configdir) > return configdir > > h = get_home() > p = os.path.join(get_home(), '.matplotlib') > > if os.path.exists(p): > if not _is_writable_dir(p): > raise RuntimeError("'%s' is not a writable dir; you must > set %s/.matplotlib to be a writable dir. You can also set > environment variable MPLCONFIGDIR to any writable directory where > you want matplotlib data stored "% (h, h)) > else: > if not _is_writable_dir(h): > > raise RuntimeError("Failed to create %s/.matplotlib; > consider setting MPLCONFIGDIR to a writable directory for > matplotlib configuration data"%h) > > os.mkdir(p) > > > > "Jonathan Hayward, http://JonathansCorner.com"; wrote: > > User apache exists with home directory /var/www, which exists. > > On Fri, Aug 1, 2008 at 11:59 AM, Michael Droettboom > <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> wrote: > > It's supposed to default to the current user's home directory. > Perhaps "apache" doesn't have a home directory? > > > Cheers, > Mike > > "Jonathan Hayward, http://JonathansCorner.com"; wrote: > > I found a reason for the behavior: > > The script was running as user apache, but trying to open > /root/.matplotlib, and /root was mode 0700. It stopped > crashing on import after I made /root mode 0711. > > This is somewhat surprising behavior to me; shouldn't it be > defaulting to something besides expected access to ~root? > > On Fri, Aug 1, 2008 at 11:38 AM, Jonathan Hayward, > http://JonathansCorner.com <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>>>> wrote: > > Tried that and reran it; I'm getting substantially > the same > stacktrace: > > > File "/home/jhayward/bintmp/test.py", line 5, in > <module> > import matplotlib; > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", line > 639, in <module> > rcParams = rc_params() > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", line > 562, in rc_params > fname = matplotlib_fname() > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", line > 513, in matplotlib_fname > fname = os.path.join(get_configdir(), > 'matplotlibrc') > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", line > 207, in wrapper > ret = func(*args, **kwargs) > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", line > 403, in _get_configdir > raise RuntimeError("Failed to create %s/.matplotlib; > consider > setting MPLCONFIGDIR to a writable directory for > matplotlib > configuration data"%h) > RuntimeError: Failed to create /root/.matplotlib; > consider > setting > MPLCONFIGDIR to a writable directory for matplotlib > configuration data > > It's /path/matplotlibrc and not /path/.matplotlibrc > or anything > like that? > > > On Fri, Aug 1, 2008 at 10:51 AM, Michael Droettboom > <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>> wrote: > > Just throwing out a suggestion here: You could try > putting a > matplotlibrc file in the same directory as your > Python > script > -- it will use that instead of the one in > ~/.matplotlib. > > Cheers, > Mike > > > "Jonathan Hayward, http://JonathansCorner.com"; > wrote: > > I have a PHP script which authenticates a > user and I am > trying to get the PHP script to wrap a Python > script using > matplotlib. > > As it is, the script mostly works when > invoked from the > command line or as its own CGI script. When > I call > it from > a PHP script, it doesn't produce output, and > testing found > that when I call a Python script from a PHP > script, > output > works before but not after "import > matplotlib": if > the PHP > script calls a script of: > > #!/usr/bin/python > print "Before import matplotlib." > import matplotlib; > print "After import matplotlib." > > the first print statement succeeds but the > second one > fails; the server log shows a crash of: > > Before import matplotlib.Traceback (most recent > call last): > File "/home/jhayward/bintmp/test.py", line > 5, in > <module> > import matplotlib; > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", > line 639, in <module> > rcParams = rc_params() > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", > line 562, in rc_params > fname = matplotlib_fname() > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", > line 513, in matplotlib_fname > fname = os.path.join(get_configdir(), > 'matplotlibrc') > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", > line 207, in wrapper > ret = func(*args, **kwargs) > File > > "/usr/lib64/python2.5/site-packages/matplotlib/__init__.py", > line 403, in _get_configdir > raise RuntimeError("Failed to create > %s/.matplotlib; > consider setting MPLCONFIGDIR to a writable > directory for > matplotlib configuration data"%h) > RuntimeError: Failed to create > /root/.matplotlib; > consider > setting MPLCONFIGDIR to a writable directory for > matplotlib configuration data > > I think this error is somewhat misleading; > it persisted > after I ran a "chmod -R 1777 /root/.matplotlib". > > What is the proper way to adjust things so > matplotlib will > be happy with its .matplotlib directory? > > -- -- Jonathan Hayward, > [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>>> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>>>> > > > ** To see an award-winning website with stories, > essays, > artwork, > ** games, and a four-dimensional maze, why > not visit my > home page? > ** All of this is waiting for you at > http://JonathansCorner.com > > ++ Would you like to curl up with one of my > hardcover books? > ++ You can now get my books from > http://CJSHayward.com > > > ------------------------------------------------------------------------ > > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin > Your Move > Developer's challenge > Build the coolest Linux based applications with > Moblin SDK > & win great prizes > Grand prize is a trip for two to an Open > Source event > anywhere in the world > > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > <http://moblin-contest.org/redirect.php?banner_id=100&url=/> > > <http://moblin-contest.org/redirect.php?banner_id=100&url=/ > <http://moblin-contest.org/redirect.php?banner_id=100&url=/>> > > <http://moblin-contest.org/redirect.php?banner_id=100&url=/ > <http://moblin-contest.org/redirect.php?banner_id=100&url=/> > > <http://moblin-contest.org/redirect.php?banner_id=100&url=/ > <http://moblin-contest.org/redirect.php?banner_id=100&url=/>>> > > > ------------------------------------------------------------------------ > > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > <mailto:Matplotlib-users@lists.sourceforge.net> > <mailto:Matplotlib-users@lists.sourceforge.net > <mailto:Matplotlib-users@lists.sourceforge.net>> > > <mailto:Matplotlib-users@lists.sourceforge.net > <mailto:Matplotlib-users@lists.sourceforge.net> > <mailto:Matplotlib-users@lists.sourceforge.net > <mailto:Matplotlib-users@lists.sourceforge.net>>> > > > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > > -- Michael Droettboom > Science Software Branch > Operations and Engineering Division > Space Telescope Science Institute > Operated by AURA for NASA > > > > > -- -- Jonathan Hayward, > [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>>> > > ** To see an award-winning website with stories, essays, > artwork, > ** games, and a four-dimensional maze, why not visit my > home page? > ** All of this is waiting for you at > http://JonathansCorner.com > > ++ Would you like to curl up with one of my > hardcover books? > ++ You can now get my books from http://CJSHayward.com > > > > > -- -- Jonathan Hayward, > [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>>> > > ** To see an award-winning website with stories, > essays, artwork, > ** games, and a four-dimensional maze, why not visit my > home page? > ** All of this is waiting for you at > http://JonathansCorner.com > > ++ Would you like to curl up with one of my hardcover > books? > ++ You can now get my books from http://CJSHayward.com > > > -- Michael Droettboom > Science Software Branch > Operations and Engineering Division > Space Telescope Science Institute > Operated by AURA for NASA > > > > > -- > -- Jonathan Hayward, [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > <mailto:[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> > > ** To see an award-winning website with stories, essays, artwork, > ** games, and a four-dimensional maze, why not visit my home page? > ** All of this is waiting for you at http://JonathansCorner.com > > ++ Would you like to curl up with one of my hardcover books? > ++ You can now get my books from http://CJSHayward.com > > > -- > Michael Droettboom > Science Software Branch > Operations and Engineering Division > Space Telescope Science Institute > Operated by AURA for NASA > > > > > -- > -- Jonathan Hayward, [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > > ** To see an award-winning website with stories, essays, artwork, > ** games, and a four-dimensional maze, why not visit my home page? > ** All of this is waiting for you at http://JonathansCorner.com > > ++ Would you like to curl up with one of my hardcover books? > ++ You can now get my books from http://CJSHayward.com -- Michael Droettboom Science Software Branch Operations and Engineering Division Space Telescope Science Institute Operated by AURA for NASA ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
