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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2010-02-11 04:02:41 UTC
  • mfrom: (5017.2.2 tariff)
  • Revision ID: pqm@pqm.ubuntu.com-20100211040241-w6n021dz0uus341n
(mbp) add import-tariff tests

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bzrlib/lazy_regex.py
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import re
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from bzrlib import errors
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class LazyRegex(object):
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    """A proxy around a real regex, which won't be compiled until accessed."""
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    def _real_re_compile(self, *args, **kwargs):
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        """Thunk over to the original re.compile"""
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        try:
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            return _real_re_compile(*args, **kwargs)
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        except re.error, e:
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            # raise InvalidPattern instead of re.error as this gives a
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            # cleaner message to the user.
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            raise errors.InvalidPattern('"' + args[0] + '" ' +str(e))
 
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        return _real_re_compile(*args, **kwargs)
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    def __getattr__(self, attr):
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        """Return a member from the proxied regex object.