~bzr-pqm/bzr/bzr.dev

4237.3.2 by Jelmer Vernooij
Review from Aaron:
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# Copyright (C) 2005, 2006, 2009 Canonical Ltd
4237.3.1 by Jelmer Vernooij
Add new module with generic serializer information; keep XML-specific bits in
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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4237.3.2 by Jelmer Vernooij
Review from Aaron:
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4237.3.1 by Jelmer Vernooij
Add new module with generic serializer information; keep XML-specific bits in
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"""Inventory/revision serialization."""
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4237.3.2 by Jelmer Vernooij
Review from Aaron:
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4237.3.1 by Jelmer Vernooij
Add new module with generic serializer information; keep XML-specific bits in
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from bzrlib import registry
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4237.3.2 by Jelmer Vernooij
Review from Aaron:
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4237.3.1 by Jelmer Vernooij
Add new module with generic serializer information; keep XML-specific bits in
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class Serializer(object):
4237.3.2 by Jelmer Vernooij
Review from Aaron:
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    """Inventory and revision serialization/deserialization."""
4237.3.1 by Jelmer Vernooij
Add new module with generic serializer information; keep XML-specific bits in
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4416.5.1 by Jelmer Vernooij
Move squashing of XML-invalid characters to XMLSerializer.
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    squashes_xml_invalid_characters = False
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4237.3.1 by Jelmer Vernooij
Add new module with generic serializer information; keep XML-specific bits in
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    def write_inventory(self, inv, f):
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        """Write inventory to a file"""
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        raise NotImplementedError(self.write_inventory)
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    def write_inventory_to_string(self, inv):
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        raise NotImplementedError(self.write_inventory_to_string)
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    def read_inventory_from_string(self, string, revision_id=None,
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                                   entry_cache=None):
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        """Read string into an inventory object.
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        :param string: The serialized inventory to read.
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        :param revision_id: If not-None, the expected revision id of the
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            inventory. Some serialisers use this to set the results' root
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            revision. This should be supplied for deserialising all
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            from-repository inventories so that xml5 inventories that were
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            serialised without a revision identifier can be given the right
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            revision id (but not for working tree inventories where users can
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            edit the data without triggering checksum errors or anything).
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        :param entry_cache: An optional cache of InventoryEntry objects. If
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            supplied we will look up entries via (file_id, revision_id) which
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            should map to a valid InventoryEntry (File/Directory/etc) object.
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        """
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        raise NotImplementedError(self.read_inventory_from_string)
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    def read_inventory(self, f, revision_id=None):
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        raise NotImplementedError(self.read_inventory)
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    def write_revision(self, rev, f):
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        raise NotImplementedError(self.write_revision)
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    def write_revision_to_string(self, rev):
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        raise NotImplementedError(self.write_revision_to_string)
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    def read_revision(self, f):
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        raise NotImplementedError(self.read_revision)
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    def read_revision_from_string(self, xml_string):
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        raise NotImplementedError(self.read_revision_from_string)
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class SerializerRegistry(registry.Registry):
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    """Registry for serializer objects"""
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format_registry = SerializerRegistry()
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format_registry.register_lazy('4', 'bzrlib.xml4', 'serializer_v4')
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format_registry.register_lazy('5', 'bzrlib.xml5', 'serializer_v5')
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format_registry.register_lazy('6', 'bzrlib.xml6', 'serializer_v6')
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format_registry.register_lazy('7', 'bzrlib.xml7', 'serializer_v7')
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format_registry.register_lazy('8', 'bzrlib.xml8', 'serializer_v8')
4398.5.18 by John Arbash Meinel
Register chk_bencode_serializer as format 10.
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format_registry.register_lazy('9', 'bzrlib.chk_serializer',
4398.3.1 by Jelmer Vernooij
Register the version 9 serializer in the registry.
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    'chk_serializer_255_bigpage')
4398.5.18 by John Arbash Meinel
Register chk_bencode_serializer as format 10.
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format_registry.register_lazy('10', 'bzrlib.chk_serializer',
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    'chk_bencode_serializer')