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| #!/usr/bin/env python3
#
# Based on wol.py from http://code.activestate.com/recipes/358449-wake-on-lan/
# Amended to use configuration file and hostnames
#
# Copyright (C) Fadly Tabrani, B Tasker
#
# Released under the PSF License See http://docs.python.org/2/license.html
#
#
import socket
import struct
import os
import sys
import configparser
import re
myconfig = {}
def wake_on_lan(host):
""" Switches on remote computers using WOL. """
global myconfig
try:
macaddress = myconfig[host]['mac']
except:
return False
#Get the mac numbers
numbers = re.findall('([a-fA-F0-9]{2})',macaddress)
#We must have 6 result, or the mac is invalid
if(len(numbers) == 6):
#If the result is correct, join it into a string
macaddress= ''.join(numbers)
else:
raise ValueError('Incorrect MAC address format')
# Pad the synchronization stream.
data = ''.join(['FFFFFFFFFFFF', macaddress * 20])
send_data = b''
# Split up the hex values and pack.
for i in range(0, len(data), 2):
send_data = b''.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, (myconfig['General']['broadcast'], 7))
return True
def loadConfig():
""" Read in the Configuration file to get CDN specific settings
"""
global mydir
global myconfig
Config = configparser.ConfigParser()
Config.read(mydir+"/.wol_config.ini")
sections = Config.sections()
dict1 = {}
for section in sections:
options = Config.options(section)
sectkey = section
myconfig[sectkey] = {}
for option in options:
myconfig[sectkey][option] = Config.get(section,option)
return myconfig # Useful for testing
def usage():
print('Usage: wol.py [hostname]')
if __name__ == '__main__':
mydir = os.path.dirname(os.path.abspath(__file__))
conf = loadConfig()
try:
# Use macaddresses with any seperators.
if sys.argv[1] == 'list':
print('Configured Hosts:')
for i in conf:
if i != 'General':
print('\t',i)
print('\n')
else:
if not wake_on_lan(sys.argv[1]):
print('Invalid Hostname specified')
else:
print('Magic packet should be winging its way')
except:
usage()
|
projects /
Wake-On-Lan-Python.git
/ blob