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Viewing changes to bzrlib/weavestore.py

  • Committer: Martin Pool
  • Date: 2005-09-22 07:14:40 UTC
  • Revision ID: mbp@sourcefrog.net-20050922071440-df7639b32dca95ab
- use cache for weaves for check only
- lock branch for read during check

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bzrlib/weavestore.py
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from bzrlib.atomicfile import AtomicFile
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ENABLE_CACHE = False
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class WeaveStore(object):
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    def __init__(self, dir):
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        self._dir = dir
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        self._cache = {}
 
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        self.enable_cache = False
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    def filename(self, file_id):
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    def get_weave(self, file_id):
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        if ENABLE_CACHE:
 
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        if self.enable_cache:
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            if file_id in self._cache:
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                return self._cache[file_id]
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        w = read_weave(file(self.filename(file_id), 'rb'))
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        if ENABLE_CACHE:
 
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        if self.enable_cache:
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            self._cache[file_id] = w
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        return w
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    def put_weave(self, file_id, weave):
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        """Write back a modified weave"""
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        if ENABLE_CACHE:
 
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        if self.enable_cache:
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            self._cache[file_id] = weave
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        weave_fn = self.filename(file_id)
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        af = AtomicFile(weave_fn)