Poor man's HTTP Push notifications

client.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

from urllib.parse import urlencode
from urllib.request import urlopen

url = "http://localhost:10000/"

try:
   with urlopen(url, timeout=3) as feed:
      while True:
         line = feed.readline()
         if not line:
            break
         print(line)
except ConnectionResetError:
   print("Connection reset")

server.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import time 
from http.server import BaseHTTPRequestHandler, HTTPServer


class AdminHandler(BaseHTTPRequestHandler):
    def log_request(self, code='-', size='-'):
        pass

    def _do_headers(self,mime="application/json",response=200,headers=[]):
        self.send_response(response)
        self.send_header("Access-Control-Allow-Origin", "*")
        self.send_header("Access-Control-Allow-Methods", "POST, GET, OPTIONS")
        for h in headers:
            handler.send_header(h[0],h[1])
        self.send_header('Content-type', mime)
        self.end_headers()

    def _echo(self,istring):
        self.wfile.write(istring.encode("utf-8"))

    def do_GET(self):
        print("Client connected")
        self._do_headers(mime="text/txt", response=200)
        try:
            while True:
                self._echo("{}\n".format(time.time()))
                time.sleep(.5)
        except (ConnectionAbortedError, ConnectionResetError):
            print ("Client disconnected")



if __name__ == "__main__":
    server = HTTPServer(('',10000), AdminHandler)
    server.serve_forever()