File: sumo.pyw
   1 #!/usr/bin/python3
   2 
   3 # The MIT License (MIT)
   4 #
   5 # Copyright © 2024 pacman64
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the “Software”), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24 
  25 
  26 # sumo
  27 #
  28 # SUspend MOnitor puts the main monitor into its suspended state, making it
  29 # all black. Pressing anything on the keyboard or moving the mouse will bring
  30 # the monitor's contents back.
  31 #
  32 # This script only works on Windows.
  33 
  34 
  35 from sys import argv, exit, stderr
  36 
  37 
  38 info = '''
  39 sumo
  40 
  41 SUspend MOnitor puts the main monitor into its suspended state, making it
  42 all black. Pressing anything on the keyboard or moving the mouse will bring
  43 the monitor's contents back.
  44 
  45 This script only works on Windows.
  46 '''.strip()
  47 
  48 # a leading help-option arg means show the help message and quit
  49 if len(argv) > 1 and argv[1].lower() in ('-h', '--h', '-help', '--help'):
  50     print(info, file=stderr)
  51     exit(0)
  52 
  53 
  54 try:
  55     from ctypes import windll
  56 except:
  57     print('this script only works on windows', file=stderr)
  58     exit(1)
  59 
  60 try:
  61     u = windll.user32
  62     desktop = u.GetShellWindow()
  63     system_command = 0x0112
  64     monitor_power = 0xf170
  65     monitor_on = -1
  66     monitor_off = 2
  67     u.SendMessageW(desktop, system_command, monitor_power, monitor_off)
  68 except:
  69     print('failed to suspend the main monitor', file=stderr)
  70     exit(1)