def update(self, doc, process=None):
        if process is None:
            pk = 'id'
            id = doc.id
            doc.synced = False
            set = doc
        elif process == UPDATE_PROCESS:
            if self.db.docs.find({'sid': doc.sid}).count() == 0:
                return self.insert(doc, synced=True)
            pk = 'sid'
            id = doc.sid
            doc.synced = not doc.merged() # must be commited if was merged
            doc.merged(False)
            set = {'tid': doc.tid, 'data': doc.data, 'user': doc.user,
                   'public': doc.public, 'synced': doc.synced}
        elif process == COMMIT_PROCESS:
            pk = 'id'
            id = doc.id
            doc.synced = True
            set = {'sid': doc.sid, 'tid': doc.tid, 'synced': doc.synced}
        else:
            raise DatabaseException('Incorrect update process')

        try:
            rs = self.db.docs.update({pk: id}, {'$set': set}, safe=True)
            assert rs['n'] == 1
        except Exception as e:
            raise DatabaseException(e)
        return doc
def _create_swdb_group(self, group_id, pkg_types, pkgs):
        comps_group = self._base.comps._group_by_id(group_id)
        if not comps_group:
            self._raise_or_warn(self._skip_unavailable, _("Group id '%s' is not available.") % group_id)
            return None

        swdb_group = self._base.history.group.new(group_id, comps_group.name, comps_group.ui_name, pkg_types)

        try:
            for pkg in pkgs:
                name = pkg["name"]
                self._assert_type(name, str, "groups.packages.name", "string")
                installed = pkg["installed"]
                self._assert_type(installed, bool, "groups.packages.installed", "boolean")
                package_type = pkg["package_type"]
                self._assert_type(package_type, str, "groups.packages.package_type", "string")

                try:
                    swdb_group.addPackage(name, installed, libdnf.transaction.stringToCompsPackageType(package_type))
                except libdnf.error.Error as e:
                    raise TransactionError(str(e))

        except KeyError as e:
            raise TransactionError(
                _('Missing object key "{key}" in groups.packages.').format(key=e.args[0])
            )

        return swdb_group