10000 Overhaul external process calls by tomspur · Pull Request #7572 · matplotlib/matplotlib · GitHub
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Overhaul external process calls #7572

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Merged
merged 16 commits into from
Apr 14, 2017
Merged

Overhaul external process calls #7572

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7e8882a
Overhaul external process calls
tomspur Dec 5, 2016
de4acea
TexManager: Use `subprocess` instead of `os.system`
tomspur Dec 11, 2016
b09e79c
Use `subprocess` instead `os.system` also in the examples
tomspur Dec 11, 2016
772fbc4
tests: Remove < 2.7 compat code
tomspur Feb 5, 2017
742cf62
BUG: fix check_output with non-ascii in paths similar to #7715
tomspur Feb 5, 2017
9bf01c6
doc/make.py: Use cwd in check_output instead of os.chdir
tomspur Feb 24, 2017
8844fd4
backend_ps: Try to fix UnicodeError
tomspur Mar 28, 2017
6d189b3
Remove precmd from backend_ps and use subprocess
tomspur Mar 28, 2017
982ade1
backend_ps: Print strings explicitely when printing error report
tomspur Apr 3, 2017
24ce833
subprocess: Use check_output instead of check_call
tomspur Apr 9, 2017
01491c0
backend_ps: remove uneeded imports and fix some pep8 errors
tomspur Apr 9, 2017
dbb0115
TexManager: transform bytes-object to string before searching for box…
tomspur Apr 9, 2017
f56dd13
TexManager: Remove unneeded _get_shell_cmd
tomspur Apr 9, 2017
c3b481b
Fix typo: 'determin'
tomspur Apr 13, 2017
79d71cc
backend_ps: replace os.popen3 -> subprocess.Popen
tomspur Apr 13, 2017
d579266
backend_ps: remove one not needed str casting
tomspur Apr 13, 2017
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backend_ps: replace os.popen3 -> subprocess.Popen
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@tomspur
tomspur committed Apr 13, 2017
commit 79d71cc91fbcd186657f4d203385106b9e65cabe
11 changes: 7 additions & 4 deletions lib/matplotlib/backends/backend_ps.py
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@ def gs_exe(self):
if gs_exe is None:
gs_exe = 'gs'

self._cached["gs_exe"] = gs_exe
self._cached["gs_exe"] = str(gs_exe)
return str(gs_exe)

@property
Expand Down Expand Up @@ -1647,9 +1647,12 @@ def get_bbox(tmpfile, bbox):
"""

gs_exe = ps_backend_helper.gs_exe
command = '%s -dBATCH -dNOPAUSE -sDEVICE=bbox "%s"' % (gs_exe, tmpfile)
command = [gs_exe, "-dBATCH", "-dNOPAUSE", "-sDEVICE=bbox" "%s" % tmpfile]
verbose.report(command, 'debug')
stdin, stdout, stderr = os.popen3(command)
p = subprocess.Popen(command, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.PIPE,
close_fds=True)
(stdout, stderr) = (p.stdout, p.stderr)
verbose.report(stdout.read(), 'debug-annoying')
bbox_info = stderr.read()
verbose.report(bbox_info, 'helpful')
Expand All @@ -1658,7 +1661,7 @@ def get_bbox(tmpfile, bbox):
bbox_info = bbox_found.group()
else:
raise RuntimeError('Ghostscript was not able to extract a bounding box.\
Here is the Ghostscript output:\n\n%s'% bbox_info)
Here is the Ghostscript output:\n\n%s' % bbox_info)
l, b, r, t = [float(i) for i in bbox_info.split()[-4:]]

# this is a hack to deal with the fact that ghostscript does not return the
Expand Down
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