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Viewing changes to bzrlib/symbol_versioning.py

  • Committer: Robert Collins
  • Date: 2010-06-25 06:11:21 UTC
  • mto: This revision was merged to the branch mainline in revision 5324.
  • Revision ID: robertc@robertcollins.net-20100625061121-0cx949gxhae5aeib
The symbol_versioning module can now cleanup after itself -
``suppress_deprecation_warnings`` now returns a cleanup function.
(Robert Collins)

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bzrlib/symbol_versioning.py
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    :param override: If True, always set the ignore, if False, only set the
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        ignore if there isn't already a filter.
 
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    :return: A callable to remove the new warnings this added.
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    """
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    import warnings
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    if not override and _check_for_filter(error_only=False):
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        # then skip it.
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        return
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    warnings.filterwarnings('ignore', category=DeprecationWarning)
 
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    filter = warnings.filters[0]
 
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    def cleanup():
 
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        warnings.filters.remove(filter)
 
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    return cleanup
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def activate_deprecation_warnings(override=True):