Revision: 6990
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=6990&view=rev
Author: mdboom
Date: 2009-03-18 15:48:30 +0000 (Wed, 18 Mar 2009)
Log Message:
-----------
Fix race condition in tempfile creation in PS backend. If two mpl processes
try to create PS files with the same file name and the same time, they will use
the same tempfile, and madness, crashing and burning will ensue.
Modified Paths:
--------------
branches/v0_98_5_maint/lib/matplotlib/backends/backend_ps.py
Modified: branches/v0_98_5_maint/lib/matplotlib/backends/backend_ps.py
===================================================================
--- branches/v0_98_5_maint/lib/matplotlib/backends/backend_ps.py
2009-03-18 15:45:07 UTC (rev 6989)
+++ branches/v0_98_5_maint/lib/matplotlib/backends/backend_ps.py
2009-03-18 15:48:30 UTC (rev 6990)
@@ -11,7 +11,7 @@
except ImportError:
from md5 import md5 #Deprecated in 2.5
-from tempfile import gettempdir
+from tempfile import mkstemp
from cStringIO import StringIO
from matplotlib import verbose, __version__, rcParams
from matplotlib._pylab_helpers import Gcf
@@ -911,15 +911,15 @@
"""
isEPSF = format == 'eps'
passed_in_file_object = False
+ fd, tmpfile = mkstemp()
if is_string_like(outfile):
title = outfile
- tmpfile = os.path.join(gettempdir(), md5(outfile).hexdigest())
elif is_writable_file_like(outfile):
title = None
- tmpfile = os.path.join(gettempdir(),
md5(str(hash(outfile))).hexdigest())
passed_in_file_object = True
else:
raise ValueError("outfile must be a path or a file-like object")
+ os.close(fd)
fh = file(tmpfile, 'w')
# find the appropriate papertype
@@ -1054,7 +1054,8 @@
title = outfile
# write to a temp file, we'll move it to outfile when done
- tmpfile = os.path.join(gettempdir(), md5(outfile).hexdigest())
+ fd, tmpfile = mkstemp()
+ os.close(fd)
fh = file(tmpfile, 'w')
self.figure.dpi = 72 # ignore the dpi kwarg
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