python_socket_post_request.py

import socket, json
from httplib import HTTPResponse

def get_port():
    # some function
    return 57980

def request(path, **kwargs):
    HOST = 'localhost'
    PORT = get_port()
    DATA_POST = json.dumps(kwargs)
    DATA_LEN = str(len(DATA_POST))
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.connect((HOST, PORT))
    s.send("POST /{path} HTTP/1.1\r\nHost: {host}\r\nContent-Type: application/json\r\nContent-Length: {len}\r\n\r\n{data}".format(
        path=path,
        host=HOST,
        len=DATA_LEN,
        data=DATA_POST
    ))
    r = HTTPResponse(s)
    r.begin()
    s.close()
    data = json.loads(r.read())
    return data

request('test', key='value')