/brz/remove-bazaar

# Copyright (C) 2005, 2006, 2007, 2008 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from bzrlib import (

    cache_utf8,

    inventory,

    xml6,

    xml8,

    )

class Serializer_v5(xml6.Serializer_v6):

    """Version 5 serializer

    Packs objects into XML and vice versa.

    """

    format_num = '5'

    root_id = inventory.ROOT_ID

    def _unpack_inventory(self, elt, revision_id):

        """Construct from XML Element

        """

        assert elt.tag == 'inventory'

        root_id = elt.get('file_id') or inventory.ROOT_ID

        root_id = xml8._get_utf8_or_ascii(root_id)

        format = elt.get('format')

        if format is not None:

            if format != '5':

                raise BzrError("invalid format version %r on inventory"

                                % format)

        data_revision_id = elt.get('revision_id')

        if data_revision_id is not None:

            revision_id = cache_utf8.encode(data_revision_id)

        inv = inventory.Inventory(root_id, revision_id=revision_id)

        for e in elt:

            ie = self._unpack_entry(e)

            if ie.parent_id is None:

                ie.parent_id = root_id

            inv.add(ie)

        if revision_id is not None:

            inv.root.revision = revision_id

        return inv

    def _check_revisions(self, inv):

        """Extension point for subclasses to check during serialisation.

        In this version, no checking is done.

        :param inv: An inventory about to be serialised, to be checked.

        :raises: AssertionError if an error has occured.

        """

    def _append_inventory_root(self, append, inv):

        """Append the inventory root to output."""

        if inv.root.file_id not in (None, inventory.ROOT_ID):

            fileid1 = ' file_id="'

            fileid2 = xml8._encode_and_escape(inv.root.file_id)

        else:

            fileid1 = ""

            fileid2 = ""

        if inv.revision_id is not None:

            revid1 = ' revision_id="'

            revid2 = xml8._encode_and_escape(inv.revision_id)

        else:

            revid1 = ""

            revid2 = ""

        append('<inventory%s%s format="5"%s%s>\n' % (

            fileid1, fileid2, revid1, revid2))

serializer_v5 = Serializer_v5()