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Viewing changes to bzrlib/lockable_files.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-03-25 04:20:12 UTC
  • mfrom: (3468.3.4 controlfiles)
  • Revision ID: pqm@pqm.ubuntu.com-20090325042012-23a6pm0mraw7g2kg
(mbp) better CountedLock handling of tokens,
        and bzrdir takes more responsibility for default file modes

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bzrlib/lockable_files.py
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import warnings
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from bzrlib import (
 
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    counted_lock,
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    errors,
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    osutils,
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    transactions,
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    This class is now deprecated; code should move to using the Transport
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    directly for file operations and using the lock or CountedLock for
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    locking.
 
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    :ivar _lock: The real underlying lock (e.g. a LockDir)
 
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    :ivar _counted_lock: A lock decorated with a semaphore, so that it 
 
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        can be re-entered.
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    """
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    # _lock_mode: None, or 'r' or 'w'
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        self._lock = lock_class(transport, esc_name,
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                                file_modebits=self._file_mode,
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                                dir_modebits=self._dir_mode)
 
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        self._counted_lock = counted_lock.CountedLock(self._lock)
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    def create_lock(self):
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        """Create the lock.
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        :deprecated: Replaced by BzrDir._find_modes.
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        """
 
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        # XXX: The properties created by this can be removed or deprecated
 
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        # once all the _get_text_store methods etc no longer use them.
 
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        # -- mbp 20080512
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        try:
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            st = self._transport.stat('.')
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        except errors.TransportNotPossible: