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Merge pull request #1107 from acdha/tidy-DecompressionBombWarning-docs

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Tidy docs for DecompressionBombWarning
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Alex Clark 2015-03-31 21:38:05 -04:00
commit f95f13c6fa
1 changed files with 9 additions and 2 deletions
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docs/reference/Image.rst
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@ -49,7 +49,14 @@ Functions
.. autofunction:: open
.. warning:: To protect against potential DOS attacks caused by "`decompression bombs`_" (i.e. malicious files which decompress into a huge amount of data and are designed to crash or cause disruption by using up a lot of memory), Pillow will issue a `DecompressionBombWarning` if the image is over a certain limit. If desired, the warning can be turned into an error with `warnings.simplefilter('error', Image.DecompressionBombWarning)` or suppressed entirely with `warnings.simplefilter('ignore', Image.DecompressionBombWarning)`. See also `the logging documentation`_ to have warnings output to the logging facility instead of stderr.
.. warning::
To protect against potential DOS attacks caused by "`decompression bombs`_" (i.e. malicious files
which decompress into a huge amount of data and are designed to crash or cause disruption by using up
a lot of memory), Pillow will issue a `DecompressionBombWarning` if the image is over a certain
limit. If desired, the warning can be turned into an error with
``warnings.simplefilter('error', Image.DecompressionBombWarning)`` or suppressed entirely with
``warnings.simplefilter('ignore', Image.DecompressionBombWarning)``. See also `the logging
documentation`_ to have warnings output to the logging facility instead of stderr.
.. _decompression bombs: https://en.wikipedia.org/wiki/Zip_bomb
.. _the logging documentation: https://docs.python.org/2/library/logging.html?highlight=logging#integration-with-the-warnings-module