broadcast.py

# =========================================================
# Send UDP broadcast packets
#
# From: svn.python.org/projects/python/trunk/Demo/
#       sockets/broadcast.py
# =========================================================
MYPORT = 50000

import sys, time
from socket import *

s = socket(AF_INET, SOCK_DGRAM)
s.bind(('', 0))
s.setsockopt(SOL_SOCKET, SO_BROADCAST, 1)

while 1:
    data = repr(time.time()) + '\n'
    print(data)
    s.sendto(data, ('<broadcast>', MYPORT))
    time.sleep(2)