Bugs item #745699, was opened at 2003-05-29 15:27
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Philip Reed (philipreed)
Assigned to: Nobody/Anonymous (nobody)
Summary: Error handling: not playing nice with Tkinter? (W98)
Initial Comment:
When PythonWin is executing a TKInter script and
something goes wrong, things apparently get left in
queue for the next (correct) execution. This causes
weirdness in the GUI interaction eventually leading
PythonWin to crash.
Not 100% sure it's PyWin and not TkInter's problem,
but I started with the more likely suspect IMO.
TO REPRODUCE:
1. start PythonWin
2. New python script
3. Paste in Example 3.1 from
<http://www.pythonware.com/library/tkinter/introducti
on/hello-again.htm> (a TkInter "Hello World" example).
4. Add some line that's guaranteed to error,
like "import dummy", BEFORE the call to root.mainloop
()
5. Save the file somewhere not in the Python path, e.g.
under a subdir of My Documents .
6. Run with an <F5>
OBSERVE: normal exception message in interactive
window.
6. Fix the "problem" by deleting the bogus import line.
7. Run again with <F5>
ACTUAL RESULT: Now you get two TKInter dialog
boxes! Pressing Quit on the 2nd one doesn't really
quit, and pressing a few more buttons (e.g. Quit on
the first, Hello on the second, Quit on the second -- I
think that was my order) will cause an error:
Runtime Error!
Program <path to pythonwin> PYTHONWIN.EXE
abnormal program termination
EXPECTED RESULT: PythonWin should be robust
enough to handle this. I think. :-)
If possible, it should clear out the queue of windows so
the first dialog never gets displayed. Certainly they
shouldn't both display at the same time.
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