Python3 HTTP/1.1 multithread server

multithread_http1_1_server.py

from http.server import HTTPServer, BaseHTTPRequestHandler
from socketserver import ThreadingMixIn

class Handler(BaseHTTPRequestHandler):
    protocol_version = 'HTTP/1.1'

    def do_GET(self):
        rsp = b'GET'
        self.send_response(200)
        self.send_header('Content-Length', len(rsp))
        self.end_headers()
        self.wfile.write(rsp)
        
    def do_POST(self):
        content_length = int(self.headers['Content-Length'])
        body = self.rfile.read(content_length)
        rsp = b'POST'
        self.send_response(200)
        self.send_header('Content-Length', len(rsp))
        self.end_headers()
        self.wfile.write(rsp)
        return

class ThreadingSimpleServer(ThreadingMixIn, HTTPServer):
    pass


def run():
    server = ThreadingSimpleServer(('0.0.0.0', 4440), Handler)
    server.serve_forever()


if __name__ == '__main__':
    run()