def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def step_impl(context, rel_url):
    context.request = LazyRequest(
        'POST', context.helpers.url(rel_url), context.token)