def do_request(self, line):

        def f(p, method, params):
            result = p.call(method, params)
            print("RESULT %s" % result)

        self._request(line, f)
All the request headers as a case-insensitive dictionary-like
dataset/ETHPy150Open osrg/ryu/ryu/cmd/rpc_cli.py/Cmd.do_request--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/webob-1.2.3/webob/request.py/BaseRequest._headers__get