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  • Committer: Martin Pool
  • Date: 2005-09-15 06:35:58 UTC
  • Revision ID: mbp@sourcefrog.net-20050915063558-f3b5bae25543c922
- add assertion

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bzrlib/weavestore.py
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class WeaveStore(object):
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    """Collection of several weave files in a directory.
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    This has some shortcuts for reading and writing them.
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    """
 
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    """Collection of several weave files."""
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    def __init__(self, dir):
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        self._dir = dir
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    def get_weave(self, file_id):
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        return read_weave(file(self.filename(file_id), 'rb'))
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    def get_lines(self, file_id, rev_id):
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        """Return text from a particular version of a weave.
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        Returned as a list of lines."""
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        w = self.get_weave(file_id)
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        return w.get(w.lookup(rev_id))
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    def get_weave_or_empty(self, file_id):
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            inf = file(self.filename(file_id), 'rb')
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        except IOError, e:
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            if e.errno == errno.ENOENT:
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                return Weave(weave_name=file_id)
 
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                return Weave()
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            else:
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                raise
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        else: