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# Copyright (C) 2006-2010 Canonical Ltd
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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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# 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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# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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class Serializer_v7(xml6.Serializer_v6):
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"""A Serializer that supports tree references"""
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# this format is used by BzrBranch6
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supported_kinds = set(['file', 'directory', 'symlink', 'tree-reference'])
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def _unpack_entry(self, elt, entry_cache=None, return_from_cache=False):
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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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return xml6.Serializer_v6._unpack_entry(self, elt,
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entry_cache=entry_cache, return_from_cache=return_from_cache)
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serializer_v7 = Serializer_v7()