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# Copyright (C) 2005-2010 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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from ...bzr.xml_serializer import (
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from ...bzr.inventory import ROOT_ID, Inventory
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from ...bzr import inventory
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from ...revision import Revision
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from ...errors import BzrError
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class _Serializer_v4(XMLSerializer):
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from bzrlib.xml import ElementTree, SubElement, Element, Serializer
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from bzrlib.inventory import ROOT_ID, Inventory, InventoryEntry
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import bzrlib.inventory as inventory
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from bzrlib.revision import Revision
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from bzrlib.errors import BzrError
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class _Serializer_v4(Serializer):
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"""Version 0.0.4 serializer
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You should use the serializer_v4 singleton.
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v4 serialisation is no longer supported, only deserialisation.
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You should use the serialzer_v4 singleton."""
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def _pack_inventory(self, inv):
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"""Convert to XML Element"""
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e = Element('inventory')
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if inv.root.file_id not in (None, ROOT_ID):
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e.set('file_id', inv.root.file_id)
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for path, ie in inv.iter_entries():
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e.append(self._pack_entry(ie))
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def _pack_entry(self, ie):
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"""Convert InventoryEntry to XML element"""
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e = Element('entry')
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e.set('name', ie.name)
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e.set('file_id', ie.file_id.decode('ascii'))
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e.set('file_id', ie.file_id)
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e.set('kind', ie.kind)
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if ie.text_size is not None:
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if ie.text_size != None:
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e.set('text_size', '%d' % ie.text_size)
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for f in ['text_id', 'text_sha1', 'symlink_target']:
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# to be conservative, we don't externalize the root pointers
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# for now, leaving them as null in the xml form. in a future
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# version it will be implied by nested elements.
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if ie.parent_id != ROOT_ID:
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assert isinstance(ie.parent_id, basestring)
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e.set('parent_id', ie.parent_id)
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def _unpack_inventory(self, elt, revision_id=None, entry_cache=None,
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return_from_cache=False):
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def _unpack_inventory(self, elt):
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"""Construct from XML Element
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:param revision_id: Ignored parameter used by xml5.
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root_id = elt.get('file_id')
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root_id = (root_id.encode('ascii') if root_id else ROOT_ID)
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assert elt.tag == 'inventory'
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root_id = elt.get('file_id') or ROOT_ID
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inv = Inventory(root_id)
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ie = self._unpack_entry(e, entry_cache=entry_cache,
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return_from_cache=return_from_cache)
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ie = self._unpack_entry(e)
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if ie.parent_id == ROOT_ID:
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ie.parent_id = root_id
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def _unpack_entry(self, elt, entry_cache=None, return_from_cache=False):
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# original format inventories don't have a parent_id for
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# nodes in the root directory, but it's cleaner to use one
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def _unpack_entry(self, elt):
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assert elt.tag == 'entry'
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## original format inventories don't have a parent_id for
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## nodes in the root directory, but it's cleaner to use one
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parent_id = elt.get('parent_id')
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parent_id = (parent_id.encode('ascii') if parent_id else ROOT_ID)
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file_id = elt.get('file_id').encode('ascii')
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kind = elt.get('kind')
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if kind == 'directory':
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ie = inventory.InventoryDirectory(file_id,
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ie = inventory.InventoryDirectory(elt.get('file_id'),
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elif kind == 'file':
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ie = inventory.InventoryFile(file_id,
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ie = inventory.InventoryFile(elt.get('file_id'),
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ie.text_id = elt.get('text_id')
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if ie.text_id is not None:
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ie.text_id = ie.text_id.encode('utf-8')
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ie.text_sha1 = elt.get('text_sha1')
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if ie.text_sha1 is not None:
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ie.text_sha1 = ie.text_sha1.encode('ascii')
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v = elt.get('text_size')
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ie.text_size = v and int(v)
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elif kind == 'symlink':
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ie = inventory.InventoryLink(file_id,
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ie = inventory.InventoryLink(elt.get('file_id'),
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ie.symlink_target = elt.get('symlink_target')
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def _pack_revision(self, rev):
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"""Revision object -> xml tree"""
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root = Element('revision',
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committer=rev.committer,
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timestamp='%.9f' % rev.timestamp,
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revision_id=rev.revision_id,
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inventory_id=rev.inventory_id,
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inventory_sha1=rev.inventory_sha1,
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committer = rev.committer,
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timestamp = '%.9f' % rev.timestamp,
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revision_id = rev.revision_id,
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inventory_id = rev.inventory_id,
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inventory_sha1 = rev.inventory_sha1,
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root.set('timezone', str(rev.timezone))
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msg = SubElement(root, 'message')
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msg.text = escape_invalid_chars(rev.message)[0]
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msg.text = rev.message
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for i, parent_id in enumerate(rev.parents):
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p = SubElement(pelts, 'revision_ref')
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p.set('revision_id', parent_id)
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if i < len(rev.parent_sha1s):
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p.set('revision_sha1', rev.parent_sha1s[i])
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def write_revision_to_string(self, rev):
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return tostring(self._pack_revision(rev)) + b'\n'
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def _write_element(self, elt, f):
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ElementTree(elt).write(f, 'utf-8')
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def _unpack_revision(self, elt):
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"""XML Element -> Revision object"""
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# <changeset> is deprecated...
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if elt.tag not in ('revision', 'changeset'):
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raise BzrError("unexpected tag in revision file: %r" % elt)
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rev = Revision(committer=elt.get('committer'),
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timestamp=float(elt.get('timestamp')),
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revision_id=elt.get('revision_id'),
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inventory_id=elt.get('inventory_id'),
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inventory_sha1=elt.get('inventory_sha1')
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rev = Revision(committer = elt.get('committer'),
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timestamp = float(elt.get('timestamp')),
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revision_id = elt.get('revision_id'),
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inventory_id = elt.get('inventory_id'),
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inventory_sha1 = elt.get('inventory_sha1')
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precursor = elt.get('precursor')