PythonWin Debugger

Stidolph, David stidolph at
Tue Nov 16 21:01:24 CET 1999

I have a Win32 app that does its own UI (no MFC available or even standard
windows drawing stuff.  Is there any way to integrate the PythonWin debugger
so it will fire up on an exception or allow me to fire it up?  We are using
the Python DLL.  Advice??

-----Original Message-----
From: Mark Hammond [mailto:mhammond at]
Sent: Monday, November 01, 1999 4:58 AM
To: 'Adrian Eyre'; 'Python Mailing List'
Subject: RE: PythonWin Debugger

> > Hmmm.  The debugger should run from all embedded apps,
> except Tkinter
> > ones (and therefore except IDLE).
> Does that include straight win32 (non-MFC) apps?

Yes - it should work there.  Eg, if you run
"pythonwin\pywin\debugger\" as a normal script from Python.exe,
the debugger should fire up correctly.

> > This particular problem would appear to be a bug.  I have another
> > debugger bug I need to track down, and hopefully I can also solve
> > this.
> Is it connected with this one, or is it completely different?

Different - occasionally the debugger seems to "hang" (although it
hasnt really - it just doesnt respond - as if a modal dialog is up,
although the modal dialog is hidden).  I can't repro this at the
moment, even tho I have seen it before :-(

> > OTOH, the best stragegy for this is probably remote
> debugging - use a
> > seperate process to perform the debugging.  This would also solve
> > few of the hairy "blocking" problems I need to deal with.
> > this doesnt appear trivial either :-(
> I should imagine not. I suppose there is some sort of API
> under Windows
> to allow this sort of thing (like the Visual C++ debugger does) but
> wouldn't have any idea where to start.

That API is too low-level for Python to use effectively.  We really
dont need the ability to replace an instruction with a break-point.



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