def get_last_tid(self):
        try:
            spec = {'tid': {'$gt': 0}}
            sort = [('tid', -1)]
            row = self.db.docs.find_one(spec, sort=sort)
        except Exception as e:
            raise DatabaseException(e)
        if row:
            return row['tid']
        return 0
def __init__(self, api, name):
        super(V1Routing, self).__init__(api, name,
                                        description='Current version of navitia API',
                                        status='current',
                                        index_endpoint='index')