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  • Committer: Martin Pool
  • Date: 2009-03-23 07:25:27 UTC
  • mfrom: (4183 +trunk)
  • mto: This revision was merged to the branch mainline in revision 4189.
  • Revision ID: mbp@sourcefrog.net-20090323072527-317my4n8zej1g6v9
merge trunk

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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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    debug,
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    delta,
 
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    filters,
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    osutils,
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    revision as _mod_revision,
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    rules,
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    def supports_content_filtering(self):
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        return False
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    def _content_filter_stack(self, path=None, file_id=None):
 
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        """The stack of content filters for a path if filtering is supported.
 
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        Readers will be applied in first-to-last order.
 
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        Writers will be applied in last-to-first order.
 
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        Either the path or the file-id needs to be provided.
 
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        :param path: path relative to the root of the tree
 
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            or None if unknown
 
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        :param file_id: file_id or None if unknown
 
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        :return: the list of filters - [] if there are none
 
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        """
 
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        filter_pref_names = filters._get_registered_names()
 
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        if len(filter_pref_names) == 0:
 
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            return []
 
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        if path is None:
 
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            path = self.id2path(file_id)
 
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        prefs = self.iter_search_rules([path], filter_pref_names).next()
 
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        stk = filters._get_filter_stack_for(prefs)
 
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        if 'filters' in debug.debug_flags:
 
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            note("*** %s content-filter: %s => %r" % (path,prefs,stk))
 
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        return stk
 
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    def _content_filter_stack_provider(self):
 
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        """A function that returns a stack of ContentFilters.
 
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        The function takes a path (relative to the top of the tree) and a
 
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        file-id as parameters.
 
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        :return: None if content filtering is not supported by this tree.
 
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        """
 
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        if self.supports_content_filtering():
 
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            return lambda path, file_id: \
 
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                    self._content_filter_stack(path, file_id)
 
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        else:
 
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            return None
 
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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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            if kind[0] != kind[1]:
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                changed_content = True
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            elif from_kind == 'file':
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                from_size = self.source._file_size(from_entry, from_stat)
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                to_size = self.target._file_size(to_entry, to_stat)
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                if from_size != to_size:
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                    changed_content = True
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                elif (self.source.get_file_sha1(file_id, from_path, from_stat) !=
 
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                if (self.source.get_file_sha1(file_id, from_path, from_stat) !=
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                    self.target.get_file_sha1(file_id, to_path, to_stat)):
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                    changed_content = True
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            elif from_kind == 'symlink':