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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2008-07-02 02:04:17 UTC
  • mfrom: (3515.1.1 ianc-integration)
  • Revision ID: pqm@pqm.ubuntu.com-20080702020417-2gnc111mzyl1xusr
Rule-based preferences (Ian Clatworthy)

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bzrlib/tree.py
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import bzrlib
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from bzrlib import (
 
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    conflicts as _mod_conflicts,
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    delta,
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    osutils,
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    revision as _mod_revision,
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    conflicts as _mod_conflicts,
 
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    rules,
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    symbol_versioning,
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    )
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from bzrlib.decorators import needs_read_lock
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        """
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        raise NotImplementedError(self.walkdirs)
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    def iter_search_rules(self, path_names, pref_names=None,
 
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        _default_searcher=rules._per_user_searcher):
 
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        """Find the preferences for filenames in a tree.
 
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        :param path_names: an iterable of paths to find attributes for.
 
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          Paths are given relative to the root of the tree.
 
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        :param pref_names: the list of preferences to lookup - None for all
 
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        :param _default_searcher: private parameter to assist testing - don't use
 
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        :return: an iterator of tuple sequences, one per path-name.
 
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          See _RulesSearcher.get_items for details on the tuple sequence.
 
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        """
 
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        searcher = self._get_rules_searcher(_default_searcher)
 
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        if searcher is not None:
 
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            if pref_names is not None:
 
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                for path in path_names:
 
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                    yield searcher.get_selected_items(path, pref_names)
 
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            else:
 
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                for path in path_names:
 
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                    yield searcher.get_items(path)
 
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    @needs_read_lock
 
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    def _get_rules_searcher(self, default_searcher):
 
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        """Get the RulesSearcher for this tree given the default one."""
 
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        searcher = default_searcher
 
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        file_id = self.path2id(rules.RULES_TREE_FILENAME)
 
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        if file_id is not None:
 
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            ini_file = self.get_file(file_id)
 
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            searcher = rules._StackedRulesSearcher(
 
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                [rules._IniBasedRulesSearcher(ini_file), default_searcher])
 
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        return searcher
 
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class EmptyTree(Tree):
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