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@RC1140 RC1140/wakeonlan
Created May 13, 2010

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#!/usr/bin/env python
import socket
import struct
def wake_on_lan(macaddress):
""" Switches on remote computers using WOL. """
# Check macaddress format and try to compensate.
if len(macaddress) == 12:
pass
elif len(macaddress) == 12 + 5:
sep = macaddress[2]
macaddress = macaddress.replace(sep, '')
else:
raise ValueError('Incorrect MAC address format')
# Pad the synchronization stream.
data = ''.join(['FFFFFFFFFFFF', macaddress * 20])
send_data = ''
# Split up the hex values and pack.
for i in range(0, len(data), 2):
send_data = ''.join([send_data,
struct.pack('B', int(data[i: i + 2], 16))])
# Broadcast it to the LAN.
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
sock.sendto(send_data, ('<broadcast>', 7))
if __name__ == '__main__':
# Use macaddresses with any seperators.
# wake_on_lan('0F:0F:DF:0F:BF:EF')
# wake_on_lan('0F-0F-DF-0F-BF-EF')
# or without any seperators.
wake_on_lan('0F0FDF0FBFEF')
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