#!/usr/bin/python import sys import time import pytz import socket from calendar import timegm from datetime import datetime, date diff = None # Fake time in UTC diff = datetime(2015,9,11,8,30,00) - datetime.utcnow() met = pytz.timezone("Europe/Berlin") def current_time(): now = datetime.utcnow() if diff: now += diff timestamp = timegm(now.timetuple()) + now.microsecond / 1000000. now = now.replace(tzinfo=pytz.utc) now = now.astimezone(met) now = now.replace(tzinfo=None) return now, timestamp sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) def send(data): sock.sendto(data, ('127.0.0.1', 4444)) print >>sys.stderr, "SENT >>> ", data def send_clock(now, ts): day = (now.date() - date(2015, 9, 11)).days since_midnight = ( now - now.replace(hour=0, minute=0, second=0, microsecond=0) ) since_midnight = since_midnight.seconds + since_midnight.microseconds / 1000000. send('room/clock/day:%d' % day) send('room/clock/set:%f' % ts) send('room/clock/midnight:%f' % since_midnight) def main(): while 1: now, ts = current_time() if now.year < 2000: print >>sys.stderr, "too soon" time.sleep(1) continue send_clock(now, ts) time.sleep(2) if __name__ == "__main__": main()