[pywin32-bugs] [ pywin32-Bugs-3611243 ] Importing win32ui causes hang on exit

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Bugs item #3611243, was opened at 2013-04-17 16:49
Message generated for change (Comment added) made by bloominator
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Category: win32
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Gary Bloom (bloominator)
Assigned to: Nobody/Anonymous (nobody)
Summary: Importing win32ui causes hang on exit

Initial Comment:
Importing win32ui in a simple .py program causes a hang on exit with pywin32-218. 
This hang occurs under Python 2.6.7, 2.7.4, and 3.1.4. It does not occur under 3.2.4 and 3.3.1. I currently only test using 32-bit Python.
The last-known good pywin32 version on Py2.6 was pywin32-212. Some regression was introduced in pywin32-213 and has existed since then (still in pywin32-218), causing this system hang on exit on Python builds 2.6 and 2.7. Testing Python 3, I see that the issue exists in Pythons 3.0 and 3.1 but goes away in 3.2 and 3.3.

The following Python code
snippet demonstrates a hang on exit:

#################################
import Tkinter
import win32ui #including this library causes hang on exit

master = Tkinter.Tk()
#Label not needed to reproduce hang
Tkinter.Label(text=" Will hang on exit if win32ui has been imported").pack() 
master.mainloop()
#################################

This bug is preventing me from upgrading my build to Python 2.7, because:
1) I need pywin32, 
2) pywin32-212 is the last version that does not have the hang regression, and
3) pywin32-212 Windows builds stop at Python 2.6.


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>Comment By: Gary Bloom (bloominator)
Date: 2013-04-17 16:54

Message:
I should mention that I only have tested running 32-bit Python on 64-bit
Windows 7.

----------------------------------------------------------------------

You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=551954&aid=3611243&group_id=78018