def read_until(self, delimiter, callback):
        self._set_read_callback(callback)
        self._read_delimiter = delimiter
        self._try_inline_read()
Updates the storage backend (i.e., saves the messages).
dataset/ETHPy150Open D-L/SimpleBookMarks/src/tornado/iostream.py/BaseIOStream.read_until--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/contrib/messages/middleware.py/MessageMiddleware.process_response