[pywin32-bugs] [ pywin32-Bugs-3314345 ] dde module initialization failing

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Bugs item #3314345, was opened at 2011-06-09 14:00
Message generated for change (Comment added) made by chrisparks
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Category: pythonwin
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: ajs (ajssf)
Assigned to: Nobody/Anonymous (nobody)
Summary: dde module initialization failing

Initial Comment:
If I import the dde module after importing the win32ui module, the error generated tells me to import the win32ui module.

I get the same behaviour for builds 215 and 216

Below is a copy of a real session

    C:\>c:\Python31\python.exe
    Python 3.1.3 (r313:86834, Nov 27 2010, 17:20:37) [MSC v.1500 64 bit (AMD64)] on win32
    Type "help", "copyright", "credits" or "license" for more information.
    >>> import win32ui
    >>> import dde
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
    ImportError: This must be an MFC application - try loading win32ui first
    >>> win32ui.GetApp()
    object 'PyCWinApp' - assoc is 000000000247D150, vi=<None>, notify=0,ch/u=0/0
    >>> 

Looking at the source code, the import error from the dde module appears to be generated because there is no CWinApp being created
by the win32ui import, but the call to win32ui.GetApp() seems to show that there is one created.



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Comment By: chrisparks (chrisparks)
Date: 2011-10-19 14:10

Message:
Thanks for the tip jonvspython, I could not get dde to import from the
bundle that came with pythonxy 2.7.2 (build 216 of pywin32).  

Dependency walker showed MSVCR90.DLL was missing from the distribution.  I
installed the missing DLL but dde still failed to import.  

I then installed build 214 of pywin32 and it is now working.  Something
broke dde on the way to build 216.


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Comment By: jon vs. python (jonvspython)
Date: 2011-07-06 06:33

Message:
I had the same problem with Python 2.7.2 (default, Jun 12 2011, 15:08:59)
[MSC v.1500 32 bit (Intel)] on win32 and build 216.

The problem did not arise with Python 2.7.2 (default, Jun 12 2011,
15:08:59) [MSC v.1500 32 bit (Intel)] on win32 and build 214, though.

Hope it helps.

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Comment By: Mark Hammond (mhammond)
Date: 2011-06-09 19:27

Message:
I'll fix the message later, but I don't think I will be able to fix the
behaviour.

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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=551954&aid=3314345&group_id=78018