1
# Copyright (C) 2005-2010 Canonical Ltd
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
8
8
# This program is distributed in the hope that it will be useful,
9
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
11
# GNU General Public License for more details.
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
from __future__ import absolute_import
19
from bzrlib.xml_serializer import (
25
from bzrlib.inventory import ROOT_ID, Inventory
26
import bzrlib.inventory as inventory
27
from bzrlib.revision import Revision
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
from bzrlib.xml import ElementTree, SubElement, Element, Serializer
19
from bzrlib.inventory import ROOT_ID, Inventory, InventoryEntry
20
from bzrlib.revision import Revision
28
21
from bzrlib.errors import BzrError
31
class _Serializer_v4(XMLSerializer):
28
class _Serializer_v4(Serializer):
32
29
"""Version 0.0.4 serializer
34
You should use the serializer_v4 singleton.
36
v4 serialisation is no longer supported, only deserialisation.
31
You should use the serialzer_v4 singleton."""
35
def _pack_inventory(self, inv):
36
"""Convert to XML Element"""
37
e = Element('inventory')
39
if inv.root.file_id not in (None, ROOT_ID):
40
e.set('file_id', inv.root.file_id)
41
for path, ie in inv.iter_entries():
42
e.append(self._pack_entry(ie))
41
46
def _pack_entry(self, ie):
42
47
"""Convert InventoryEntry to XML element"""
45
50
e.set('file_id', ie.file_id)
46
51
e.set('kind', ie.kind)
48
if ie.text_size is not None:
53
if ie.text_size != None:
49
54
e.set('text_size', '%d' % ie.text_size)
51
for f in ['text_id', 'text_sha1', 'symlink_target']:
56
for f in ['text_id', 'text_sha1']:
56
61
# to be conservative, we don't externalize the root pointers
57
62
# for now, leaving them as null in the xml form. in a future
58
63
# version it will be implied by nested elements.
59
64
if ie.parent_id != ROOT_ID:
65
assert isinstance(ie.parent_id, basestring)
60
66
e.set('parent_id', ie.parent_id)
67
def _unpack_inventory(self, elt, revision_id=None, entry_cache=None,
68
return_from_cache=False):
73
def _unpack_inventory(self, elt):
69
74
"""Construct from XML Element
71
:param revision_id: Ignored parameter used by xml5.
76
assert elt.tag == 'inventory'
73
77
root_id = elt.get('file_id') or ROOT_ID
74
78
inv = Inventory(root_id)
76
ie = self._unpack_entry(e, entry_cache=entry_cache,
77
return_from_cache=return_from_cache)
80
ie = self._unpack_entry(e)
78
81
if ie.parent_id == ROOT_ID:
79
82
ie.parent_id = root_id
84
def _unpack_entry(self, elt, entry_cache=None, return_from_cache=False):
87
def _unpack_entry(self, elt):
88
assert elt.tag == 'entry'
85
90
## original format inventories don't have a parent_id for
86
91
## nodes in the root directory, but it's cleaner to use one
88
93
parent_id = elt.get('parent_id')
90
95
parent_id = ROOT_ID
92
kind = elt.get('kind')
93
if kind == 'directory':
94
ie = inventory.InventoryDirectory(elt.get('file_id'),
98
ie = inventory.InventoryFile(elt.get('file_id'),
101
ie.text_id = elt.get('text_id')
102
ie.text_sha1 = elt.get('text_sha1')
103
v = elt.get('text_size')
104
ie.text_size = v and int(v)
105
elif kind == 'symlink':
106
ie = inventory.InventoryLink(elt.get('file_id'),
109
ie.symlink_target = elt.get('symlink_target')
111
raise BzrError("unknown kind %r" % kind)
113
## mutter("read inventoryentry: %r", elt.attrib)
97
ie = InventoryEntry(elt.get('file_id'),
101
ie.text_id = elt.get('text_id')
102
ie.text_sha1 = elt.get('text_sha1')
104
## mutter("read inventoryentry: %r" % (elt.attrib))
106
v = elt.get('text_size')
107
ie.text_size = v and int(v)
138
132
for i, parent_id in enumerate(rev.parents):
139
133
p = SubElement(pelts, 'revision_ref')
141
136
p.set('revision_id', parent_id)
142
137
if i < len(rev.parent_sha1s):
143
138
p.set('revision_sha1', rev.parent_sha1s[i])
147
142
def _unpack_revision(self, elt):
148
143
"""XML Element -> Revision object"""
150
145
# <changeset> is deprecated...
151
146
if elt.tag not in ('revision', 'changeset'):
152
147
raise BzrError("unexpected tag in revision file: %r" % elt)
163
assert p.tag == 'revision_ref', \
164
"bad parent node tag %r" % p.tag
168
165
rev.parent_ids.append(p.get('revision_id'))
169
166
rev.parent_sha1s.append(p.get('revision_sha1'))
171
168
# must be consistent
172
169
prec_parent = rev.parent_ids[0]
170
assert prec_parent == precursor
174
172
# revisions written prior to 0.0.5 have a single precursor
175
173
# give as an attribute