Support environments without a home dir or writable file system#1824

Merged

pelson merged 17 commits into

matplotlib:masterfrom

mgiuca-google:no-home-dir

Apr 16, 2013

Commits on Apr 16, 2013

shutil.move: Guard against IOError and print warnings instead of crashing.
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matplotlib: _is_writable_dir uses os.access instead of TemporaryFile.
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Matplotlib now works when the user has no home directory.
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get_configdir returns None if tempfile.gettempdir() is not available.
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Deal with all cases where get_configdir might return None.
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font_manager: Gracefully handle the case of there being no config dir.
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texmanager: Gracefully handle the case of there being no config dir upon import.
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finance: Gracefully handle the case of there being no config dir.
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Fix formatting and other misc code tweaks.
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matplotlib.get_home: Removing catch-all except blocks.
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matplotlib, texmanager: Change WARNING prints into real warnings.
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matplotlib, texmanager: Only print the rename message if it actually succeeded.
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finance: Fixed caching when cachename is supplied.
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matplotlib: Use cbook.mkdirs instead of os.makedirs.
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matplotlib: Remove catch for OSError.
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matplotlib: _is_writable_dir checks that it is a directory.
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matplotlib: _is_writable_dir tests with os.access and TemporaryFile.
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