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Viewing changes to bzrlib/inventory.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-03-22 02:16:19 UTC
  • mfrom: (4180.1.1 ianc-integration)
  • Revision ID: pqm@pqm.ubuntu.com-20090322021619-onz77khivwa932zn
filtered deltas (Ian Clatworthy)

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Lines of Context:
bzrlib/inventory.py
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    def is_root(self, file_id):
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        return self.root is not None and file_id == self.root.file_id
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    def filter(self, specific_fileids):
 
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        """Get an inventory view filtered against a set of file-ids.
 
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        Children of directories and parents are included.
 
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        The result may or may not reference the underlying inventory
 
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        so it should be treated as immutable.
 
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        """
 
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        interesting_parents = set()
 
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        for fileid in specific_fileids:
 
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            try:
 
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                interesting_parents.update(self.get_idpath(fileid))
 
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            except errors.NoSuchId:
 
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                # This fileid is not in the inventory - that's ok
 
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                pass
 
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        entries = self.iter_entries()
 
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        if self.root is None:
 
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            return Inventory(root_id=None)
 
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        other = Inventory(entries.next()[1].file_id)
 
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        other.root.revision = self.root.revision
 
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        other.revision_id = self.revision_id
 
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        directories_to_expand = set()
 
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        for path, entry in entries:
 
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            file_id = entry.file_id
 
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            if (file_id in specific_fileids
 
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                or entry.parent_id in directories_to_expand):
 
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                if entry.kind == 'directory':
 
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                    directories_to_expand.add(file_id)
 
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            elif file_id not in interesting_parents:
 
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                continue
 
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            other.add(entry.copy())
 
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        return other
 
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entry_factory = {
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    'directory': InventoryDirectory,