dubbo Interface Public class service calls

import json, time
import telnetlib
from datetime import datetime


class Dubbo(telnetlib.Telnet):
    prompt = 'dubbo>'
    coding = 'utf-8'

    def __init__(self, host=None, port=0):
        super().__init__(host, port)
        # 触发dubbo提示符
        self.write(b'\n')

    def command(self, flag, str_=""):
        data = self.read_until(flag.encode())
        self.write(str_.encode() + b"\n")
        return data

    def invoke(self, service_name, method_name, arg):
        self.command(Dubbo.prompt, "invoke {0}.{1}({2})".format(service_name, method_name, json.dumps(arg)))
        data = self.command(Dubbo.prompt, "")
        . Data = data.decode (Dubbo.coding, errors = 'the ignore') Split ( '\ n-') [0] .strip () 

        # Telnet connections terminate 
        self.close () 
        return Data 

    DEF do (Self, Arg): 
        self.command (Dubbo.prompt, Arg) 
        Data = self.command (Dubbo.prompt, Arg) 
        Data = data.decode (Dubbo.coding, errors = 'the ignore'). Split ( '\ n-') [0]. Strip () 

        # Telnet connection is terminated 
        self.close () 
        return the data 

reference Baidu, someone blog excerpt, forget the sorry