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  • Committer: Aaron Bentley
  • Date: 2006-10-29 18:30:57 UTC
  • mto: (2255.6.1 dirstate)
  • mto: This revision was merged to the branch mainline in revision 2322.
  • Revision ID: aaron.bentley@utoronto.ca-20061029183057-af9d71b62956a668
Start roundtripping tree-reference entries

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bzrlib/xml7.py
 
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# Copyright (C) 2006 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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from bzrlib import (
 
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    inventory, 
 
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    xml6,
 
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    )
 
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class Serializer_v7(xml6.Serializer_v6):
 
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    """A Serializer that supports tree references"""
 
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    supported_kinds = set(['file', 'directory', 'symlink', 'tree-reference'])
 
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    def _unpack_entry(self, elt, none_parents):
 
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        assert none_parents is True
 
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        kind = elt.tag
 
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        if not kind in self.supported_kinds:
 
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            raise AssertionError('unsupported entry kind %s' % kind)
 
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        if kind == 'tree-reference':
 
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            file_id = elt.attrib['file_id']
 
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            name = elt.attrib['name']
 
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            parent_id = elt.attrib['parent_id']
 
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            revision = elt.get('revision')
 
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            reference_revision = elt.get('reference_revision')
 
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            return inventory.TreeReference(file_id, name, parent_id, revision,
 
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                                           reference_revision)
 
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        else:
 
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            return xml6.Serializer_v6._unpack_entry(self, elt, none_parents)
 
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serializer_v7 = Serializer_v7()