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3311.3.4
by Aaron Bentley
Have xml5 inherit from xml6 from xml8 |
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# Copyright (C) 2005, 2006, 2007, 2008 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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cache_utf8, |
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inventory, |
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xml6, |
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xml8, |
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)
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class Serializer_v5(xml6.Serializer_v6): |
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"""Version 5 serializer
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Packs objects into XML and vice versa.
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"""
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format_num = '5' |
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root_id = inventory.ROOT_ID |
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def _unpack_inventory(self, elt, revision_id): |
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"""Construct from XML Element
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"""
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root_id = elt.get('file_id') or inventory.ROOT_ID |
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root_id = xml8._get_utf8_or_ascii(root_id) |
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format = elt.get('format') |
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if format is not None: |
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if format != '5': |
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raise BzrError("invalid format version %r on inventory" |
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% format) |
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data_revision_id = elt.get('revision_id') |
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if data_revision_id is not None: |
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revision_id = cache_utf8.encode(data_revision_id) |
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inv = inventory.Inventory(root_id, revision_id=revision_id) |
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for e in elt: |
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ie = self._unpack_entry(e) |
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if ie.parent_id is None: |
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ie.parent_id = root_id |
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inv.add(ie) |
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if revision_id is not None: |
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inv.root.revision = revision_id |
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return inv |
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def _check_revisions(self, inv): |
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"""Extension point for subclasses to check during serialisation.
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In this version, no checking is done.
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:param inv: An inventory about to be serialised, to be checked.
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:raises: AssertionError if an error has occured.
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"""
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def _append_inventory_root(self, append, inv): |
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"""Append the inventory root to output."""
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if inv.root.file_id not in (None, inventory.ROOT_ID): |
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fileid1 = ' file_id="' |
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fileid2 = xml8._encode_and_escape(inv.root.file_id) |
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else: |
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fileid1 = "" |
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fileid2 = "" |
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if inv.revision_id is not None: |
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revid1 = ' revision_id="' |
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revid2 = xml8._encode_and_escape(inv.revision_id) |
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else: |
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revid1 = "" |
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revid2 = "" |
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append('<inventory%s%s format="5"%s%s>\n' % ( |
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fileid1, fileid2, revid1, revid2)) |
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serializer_v5 = Serializer_v5() |