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Viewing changes to bzrlib/dirstate.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2007-10-24 07:28:00 UTC
  • mfrom: (2929.1.2 workingtree)
  • Revision ID: pqm@pqm.ubuntu.com-20071024072800-p2qtv2632xrbrs02
(robertc) Use a dictionary to obtain stat caches rather than digging into the dirstate on every path. (Robert Collins)

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Lines of Context:
bzrlib/dirstate.py
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        self._lock_token = None
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        self._lock_state = None
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        self._id_index = None
 
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        # a map from packed_stat to sha's.
 
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        self._packed_stat_index = None
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        self._end_of_header = None
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        self._cutoff_time = None
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        self._split_path_cache = {}
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        assert num_entries_line.startswith('num_entries: '), 'missing num_entries line'
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        self._num_entries = int(num_entries_line[len('num_entries: '):-1])
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    def sha1_from_stat(self, path, stat_result, _pack_stat=pack_stat):
 
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        """Find a sha1 given a stat lookup."""
 
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        return self._get_packed_stat_index().get(_pack_stat(stat_result), None)
 
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    def _get_packed_stat_index(self):
 
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        """Get a packed_stat index of self._dirblocks."""
 
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        if self._packed_stat_index is None:
 
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            index = {}
 
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            for key, tree_details in self._iter_entries():
 
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                if tree_details[0][0] == 'f':
 
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                    index[tree_details[0][4]] = tree_details[0][1]
 
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            self._packed_stat_index = index
 
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        return self._packed_stat_index
 
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    def save(self):
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        """Save any pending changes created during this session.
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        self._dirblock_state = DirState.IN_MEMORY_MODIFIED
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        self._parents = list(parent_ids)
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        self._id_index = None
 
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        self._packed_stat_index = None
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    def set_path_id(self, path, new_id):
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        """Change the id of path to new_id in the current working tree.
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                current_old = advance(old_iterator)
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        self._dirblock_state = DirState.IN_MEMORY_MODIFIED
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        self._id_index = None
 
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        self._packed_stat_index = None
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    def _make_absent(self, current_old):
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        """Mark current_old - an entry - as absent for tree 0.
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        self._ghosts = []
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        self._dirblocks = []
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        self._id_index = None
 
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        self._packed_stat_index = None
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        self._end_of_header = None
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        self._cutoff_time = None
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        self._split_path_cache = {}