(Win32) Lowering current process's priority

Jonathan Epstein Jonathan_Epstein at nih.gov
Mon Sep 25 21:05:24 CEST 2000


Thanks, David,

This worked like a charm.

- Jonathan


David Bolen wrote:
> 
> Jonathan Epstein <Jonathan_Epstein at nih.gov> writes:
> 
> > In general, I have had trouble finding suitable documentation for
> > win32pdhutil, win32con, and win32api, in constrast to the excellent
> > documentation for the standard (non-win32) python libraries.  Can anyone
> > recommend some suitable online sources?
> 
> Try: http://msdn.microsoft.com/library/default.asp
> 
> The win32 extension wrappings are around standard Win32 calls, so you
> can pretty much use the actual Win32 API reference information.  The
> online help provided with the extensions are most useful to see how
> the parameters have been interfaced with Python where there is any
> wiggle room.  If you've got a local MSDN subscription, that works
> great too (and without needing web access).
> 
> With respect to your problem case:
> 
> > win32api.SetPriorityClass(win32api.GetCurrentProcessId(),
> >                           win32con.IDLE_PRIORITY_CLASS)
> 
> The attribute error is probably because SetPriorityClass is wrapped
> within the win32process module, not win32api.
> 
> Also, SetPriorityClass' first parameter is a handle, not the numeric
> process id, so you want to use GetCurrentProcess() not
> GetCurrentProcessId().
> 
> The following should work:
> 
>     import win32api
>     import win32process
>     import win32con
> 
>     win32process.SetPriorityClass(win32api.GetCurrentProcess(),
>                                   win32con.IDLE_PRIORITY_CLASS)
> 
> (at least it did in my quick tests)
> 
> --
> -- David
> --
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