def close(self):
        files = self.__dict__.get('files')
        for key, value in iter_multi_items(files or ()):
            value.close()
Returns a dict of parameters suitable for get_new_connection.
dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/wrappers.py/BaseRequest.close--crossover with--dataset/ETHPy150Open django/django/django/db/backends/base/base.py/BaseDatabaseWrapper.get_connection_params