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allow selecting the backend by setting the environment variable MPLBACKEND #3710

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Merged
merged 6 commits into from
Nov 18, 2014
Merged

allow selecting the backend by setting the environment variable MPLBACKEND #3710

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0d995d4
allow selecting the backend by setting the environment variable MPL_B…
FlorianRhiem Oct 23, 2014
0ead4b2
added documentation on backend selection methods
FlorianRhiem Oct 27, 2014
fffa9c1
minor fix for the documentation on backend selection methods (either …
FlorianRhiem Oct 28, 2014
7290dc1
DOC : edits to copy of usage_faq.rst
tacaswell Oct 28, 2014
0042453
Added a warning about global use of MPLBACKEND or use of -dbackend
FlorianRhiem Nov 18, 2014
40e4019
Added mplDeprecation warning when the -d argument is used. Minor impr…
FlorianRhiem Nov 18, 2014
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allow selecting the backend by setting the environment variable MPL_B… 
…ACKEND
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@FlorianRhiem
FlorianRhiem committed Nov 17, 2014
commit 0d995d45ea5e48fc8e3aa60e577db006871895bf
9 changes: 9 additions & 0 deletions lib/matplotlib/__init__.py
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Expand Up @@ -1373,9 +1373,18 @@ def tk_window_focus():
if s.startswith(str('-d')) and len(s) > 2: # look for a -d flag
try:
use(s[2:])
break
except (KeyError, ValueError):
pass
# we don't want to assume all -d flags are backends, e.g., -debug
else:
# no backend selected from the command line, so we check the environment
# variable MPL_BACKEND
if 'MPL_BACKEND' in os.environ:
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It looks like this line is superfluous, since you are catching KeyError.

try:
use(os.environ['MPL_BACKEND'])
except (KeyError, ValueError):
pass

default_test_modules = [
'matplotlib.tests.test_agg',
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