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Viewing changes to bzrlib/lock.py

  • Committer: Martin Pool
  • Date: 2005-06-10 07:32:36 UTC
  • Revision ID: mbp@sourcefrog.net-20050610073236-c432e2cefe65df58
- create branch lock files if they don't exist

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bzrlib/lock.py
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"""
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import sys, os
 
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import sys
 
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import os
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from trace import mutter, note, warning
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from errors import LockError
 
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from bzrlib.trace import mutter, note, warning
 
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from bzrlib.errors import LockError
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class _base_Lock(object):
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    def _open(self, filename, filemode):
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        self.f = open(filename, filemode)
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        return self.f
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        import errno
 
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        try:
 
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            self.f = open(filename, filemode)
 
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            return self.f
 
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        except IOError, e:
 
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            if e.errno != errno.ENOENT:
 
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                raise
 
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            # maybe this is an old branch (before may 2005)
 
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            mutter("trying to create missing branch lock %r" % filename)
 
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            self.f = open(filename, 'wb')
 
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            return self.f
 
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    def __del__(self):
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        if self.f:
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            from warnings import warn
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            warn("lock on %r not released" % self.f)
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            self.unlock()
 
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    def unlock(self):
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        raise NotImplementedError()