witnet.py

import socket
class MySocket:
    def __init__(self, sock=None):
        if sock is None:
            self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        else:
            self.sock = sock
    def connect(self, host, port):
        self.sock.connect((host, port))
    def mysend(self, msg):
            self.sock.send(msg.encode('utf-8'))
    def myreceive(self):
        return self.sock.recv(4096)

msg='{"jsonrpc": "2.0","method": "nodeStats", "id": "1"}\n'

s = MySocket()
s.connect("127.0.0.1", 21338)
s.mysend(msg)
print(s.myreceive())