Felix Patzelt <fe...@neuro.uni-bremen.de> writes:
> Matplotlib-Version: 1.1.0
If that's the released version and not something from git, it does not
have one possibly related fix. Could you try cherry-picking commit
09293bf from github, or applying the following patch.
commit 09293bf96f79f305d96ae4070dc89537efb9fb17
Author: Jouni K. Seppänen <j...@iki.fi>
Date: Tue Dec 27 20:21:34 2011 +0200
Work around subprocess EINTR bug; fixes issue #633
The bug http://bugs.python.org/issue12493 is present in some Python
versions.
The _read_nointr function has been unused since b03a908 (it did
not work on Windows).
diff --git a/CHANGELOG b/CHANGELOG
index 9f5c700..e2a2b9d 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+2011-12-27 Work around an EINTR bug in some versions of subprocess. - JKS
+
2011-08-18 Change api of Axes.get_tightbbox and add an optional
keyword parameter *call_axes_locator*. - JJL
diff --git a/lib/matplotlib/dviread.py b/lib/matplotlib/dviread.py
index 85fa70f..8a6dbd2 100644
--- a/lib/matplotlib/dviread.py
+++ b/lib/matplotlib/dviread.py
@@ -835,23 +835,17 @@ def find_tex_file(filename, format=None):
matplotlib.verbose.report('find_tex_file(%s): %s' \
% (filename,cmd), 'debug')
- pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+ # stderr is unused, but reading it avoids a subprocess optimization
+ # that breaks EINTR handling in some Python versions:
+ # http://bugs.python.org/issue12493
+ # https://github.com/matplotlib/matplotlib/issues/633
+ pipe = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
result = pipe.communicate()[0].rstrip()
matplotlib.verbose.report('find_tex_file result: %s' % result,
'debug')
return result
-def _read_nointr(pipe, bufsize=-1):
- while True:
- try:
- return pipe.read(bufsize)
- except OSError, e:
- if e.errno == errno.EINTR:
- continue
- else:
- raise
-
-
# With multiple text objects per figure (e.g. tick labels) we may end
# up reading the same tfm and vf files many times, so we implement a
# simple cache. TODO: is this worth making persistent?
--
Jouni K. Seppänen
http://www.iki.fi/jks
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