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Viewing changes to multiparent/__init__.py

  • Committer: Aaron Bentley
  • Date: 2007-04-11 06:39:09 UTC
  • mto: (2520.4.1 bzr.mpbundle)
  • mto: This revision was merged to the branch mainline in revision 2631.
  • Revision ID: aaron.bentley@utoronto.ca-20070411063909-t630ktlwrss64yyk
Make benchmarks for mp

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multiparent/__init__.py
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class MultiVersionedFile(object):
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    """VersionedFile skeleton for MultiParent"""
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    def __init__(self):
 
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    def __init__(self, snapshot_interval=25):
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        self._diffs = {}
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        self._lines = {}
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        self._parents = {}
 
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        self._snapshots = {}
 
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        self.snapshot_interval = snapshot_interval
 
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    def do_snapshot(self, version_id, parent_ids):
 
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        if len(parent_ids) == 0:
 
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            return False
 
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        counter = 0
 
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        while counter < self.snapshot_interval:
 
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            if len(parent_ids) == 0:
 
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                return False
 
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            version_id = parent_ids[0]
 
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            if self._snapshots[version_id]:
 
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                return False
 
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            counter += 1
 
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            parent_ids = self._parents[version_id]
 
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        return True
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    def add_version(self, lines, version_id, parent_ids):
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        parent_lines = [self._lines[p] for p in parent_ids]
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        diff = MultiParent.from_lines(lines, parent_lines)
 
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        if self.do_snapshot(version_id, parent_ids):
 
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            self._snapshots[version_id] = True
 
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            diff = MultiParent([NewText(lines)])
 
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        else:
 
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            self._snapshots[version_id] = False
 
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            parent_lines = [self._lines[p] for p in parent_ids]
 
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            diff = MultiParent.from_lines(lines, parent_lines)
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        self.add_diff(diff, version_id, parent_ids)
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        self._lines[version_id] = lines
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