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Make matplotlib.test() print meaninful messages when baseline images are not installed #2379

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Merged
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Sep 27, 2013
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Make matplotlib.test() print meaninful messages when baseline images are not installed #2379

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11 changes: 11 additions & 0 deletions lib/matplotlib/tests/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,13 +2,24 @@
from matplotlib import rcParams, rcdefaults, use

import difflib
import os

from matplotlib import rcParams, rcdefaults, use


_multiprocess_can_split_ = True


# Check that the test directories exist
if not os.path.exists(os.path.join(
os.path.dirname(__file__), 'baseline_images')):
raise IOError(
'The baseline image directory does not exist. '
'This is most likely because the test data is not installed. '
'You may need to install matplotlib from source to get the '
'test data.')


def setup():
# The baseline images are created in this locale, so we should use
# it during all of the tests.
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