/brz/remove-bazaar

import os

from bzrlib import errors, multiparent, osutils

from bzrlib.util import bencode

def get_parents_texts(tt, trans_id):

    file_id = tt.tree_file_id(trans_id)

    try:

        if file_id is None or tt._tree.kind(file_id) != 'file':

            return ()

    except errors.NoSuchFile:

        return ()

    return (tt._tree.get_file_text(file_id),)

def get_parents_lines(tt, trans_id):

    return tuple(osutils.split_lines(p) for p

                 in get_parents_texts(tt, trans_id))

def serialize(tt, serializer):

    new_name = dict((k, v.encode('utf-8')) for k, v in tt._new_name.items())

    new_executability = dict((k, int(v)) for k, v in

                             tt._new_executability.items())

    tree_path_ids = dict((k.encode('utf-8'), v)

                         for k, v in tt._tree_path_ids.items())

    attribs = {

        '_id_number': tt._id_number,

        '_new_name': new_name,

        '_new_parent': tt._new_parent,

        '_new_executability': new_executability,

        '_new_id': tt._new_id,

        '_tree_path_ids': tree_path_ids,

        '_removed_id': list(tt._removed_id),

        '_removed_contents': list(tt._removed_contents),

        '_non_present_ids': tt._non_present_ids,

        }

    yield serializer.bytes_record(bencode.bencode(attribs), (('attribs',),))

    for trans_id, kind in tt._new_contents.items():

        if kind == 'file':

            cur_file = open(tt._limbo_name(trans_id), 'rb')

            try:

                lines = osutils.split_lines(cur_file.read())

            finally:

                cur_file.close()

            parents = get_parents_lines(tt, trans_id)

            mpdiff = multiparent.MultiParent.from_lines(lines, parents)

            content = ''.join(mpdiff.to_patch())

        if kind == 'directory':

            content = ''

        if kind == 'symlink':

            content = os.readlink(tt._limbo_name(trans_id))

        yield serializer.bytes_record(content, ((trans_id, kind),))

def deserialize(tt, records):

    names, content = records.next()

    attribs = bencode.bdecode(content)

    tt._id_number = attribs['_id_number']

    tt._new_name = dict((k, v.decode('utf-8'))

                        for k, v in attribs['_new_name'].items())

    tt._new_parent = attribs['_new_parent']

    tt._new_executability = dict((k, bool(v)) for k, v in

        attribs['_new_executability'].items())

    tt._new_id = attribs['_new_id']

    tt._r_new_id = dict((v, k) for k, v in tt._new_id.items())

    tt._tree_path_ids = {}

    tt._tree_id_paths = {}

    for bytepath, trans_id in attribs['_tree_path_ids'].items():

        path = bytepath.decode('utf-8')

        tt._tree_path_ids[path] = trans_id

        tt._tree_id_paths[trans_id] = path

    tt._removed_id = set(attribs['_removed_id'])

    tt._removed_contents = set(attribs['_removed_contents'])

    tt._non_present_ids = attribs['_non_present_ids']

    for ((trans_id, kind),), content in records:

        if kind == 'file':

            mpdiff = multiparent.MultiParent.from_patch(content)

            lines = mpdiff.to_lines(get_parents_texts(tt, trans_id))

            tt.create_file(lines, trans_id)

        if kind == 'directory':

            tt.create_directory(trans_id)

        if kind == 'symlink':

            tt.create_symlink(content, trans_id)