#!/usr/bin/env python3
import http.server
import socketserver
import os
import sys

PORT = 8080

class Handler(http.server.SimpleHTTPRequestHandler):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, directory=os.path.dirname(os.path.abspath(__file__)), **kwargs)

    def end_headers(self):
        # Ensure sw.js is served with the right scope/headers.
        self.send_header('Service-Worker-Allowed', '/')
        self.send_header('Cache-Control', 'no-store')
        super().end_headers()

    def log_message(self, fmt, *args):
        sys.stderr.write("[server] %s\n" % (fmt % args))

if __name__ == '__main__':
    socketserver.TCPServer.allow_reuse_address = True
    with socketserver.TCPServer(("127.0.0.1", PORT), Handler) as httpd:
        sys.stderr.write(f"[server] serving on http://127.0.0.1:{PORT}\n")
        httpd.serve_forever()