I have a python script that is running in the background with pythonw. If I close my laptop, it goes into sleep mode. and when I open my laptop, my program has little functionality and freezes after a couple of seconds. Is there any way that my script can tell if my computer is going into sleep mode, so that it can lie dormant and restart when I re-open my laptop?
Asked
Active
Viewed 2,333 times
2
-
Windows Vista SP1 64-bit Python 2.6 compiled in 32-bit mode – user235024 Dec 31 '09 at 04:35
1 Answers
0
You can catch WM_POWERBROADCAST window message with PBT_APMQUERYSUSPEND event inside it. To catch this message inside Python program, you can create new invisible window and make separate thread repeatedly calling GetMessage().
In the worst case you can archieve all these by using ctypes only, but you can also use pywin32, sometimes referred to as win32py.
toriningen
- 7,196
- 3
- 46
- 68
-
Does this only work with GUI as this python programming is running as a service. Will the same thing work by calling GetMessage() in a thread running within a service? – user204088 Oct 10 '14 at 14:33
-
@user204088, it depends. You can either enable interactive user for your service, so you will be able to create invisible window directly, but this require console user to be logged on; or use `RegisterServiceCtrlHandlerEx` and listen for `SERVICE_CONTROL_POWEREVENT` in your `HandlerEx` – toriningen Oct 10 '14 at 19:26