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# Copyright (C) 2006, 2007 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
from bzrlib import (
inventory,
xml6,
)
class Serializer_v7(xml6.Serializer_v6):
"""A Serializer that supports tree references"""
# this format is used by BzrBranch6
supported_kinds = set(['file', 'directory', 'symlink', 'tree-reference'])
format_num = '7'
def _unpack_entry(self, elt, entry_cache=None):
kind = elt.tag
if not kind in self.supported_kinds:
raise AssertionError('unsupported entry kind %s' % kind)
if kind == 'tree-reference':
file_id = elt.attrib['file_id']
name = elt.attrib['name']
parent_id = elt.attrib['parent_id']
revision = elt.get('revision')
reference_revision = elt.get('reference_revision')
return inventory.TreeReference(file_id, name, parent_id, revision,
reference_revision)
else:
return xml6.Serializer_v6._unpack_entry(self, elt)
serializer_v7 = Serializer_v7()
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