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bzrlib/lockable_files.py
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# Copyright (C) 2005, 2006, 2008 Canonical Ltd
 
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# Copyright (C) 2005, 2006 Canonical Ltd
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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from cStringIO import StringIO
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import codecs
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#import traceback
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from warnings import warn
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import bzrlib
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from bzrlib.decorators import (needs_read_lock,
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    def __del__(self):
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        if self.is_locked():
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            # do not automatically unlock; there should have been a
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            # try/finally to unlock this.
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            warn("%r was gc'd while locked" % self)
 
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            # XXX: This should show something every time, and be suitable for
 
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            # headless operation and embedding
 
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            from warnings import warn
 
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            warn("file group %r was not explicitly unlocked" % self)
 
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            self._lock.unlock()
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    def break_lock(self):
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        """Break the lock of this lockable files group if it is held.