Usually this means the COM object has to run in a full ActiveX container.
You can host it in IE, or Pythonwin can act as a container with some effort.
See \pythonwin\pywin\Demos\ocx for some examples of using OCX objects
that require a container.
Roger
"g.franzkowiak" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED]
> I'm trying to use a proprietary windows software with COM and win32com.
> The result is everytime the error message
>
> com_error: (-2147418113, 'Catastrophic failure', None, None)
>
> I've read this in some e-mails, but can't find the solution and I have
> not enough experience with Windows and COM.
>
> Can anybody help ?
>
> This ist the test script.
>
> #--------------------------------------------------------------------------
> import sys
> from win32com.client import gencache
> import win32com.client
>
> if __name__=='__main__':
>
> flag = None
> gencache.EnsureModule('{A5FE85B0-D562-11D3-A8E8-00609727A3F3}', 0, 1, 0)
> o =
> win32com.client.Dispatch('VISIONP400DATACONTROL.VisionP400DataControlCtrl.1')
>
> """
> Debug output:
> o ==>
> <win32com.gen_py.A5FE85B0-... instance at 0x17707056>
> o.connectToVisionP400 ==>
> <bound method_D....>
> """
>
> try:
> flag = o.connectToVisionP400()
>
> """
> Error by function call ==>
> >>> Unhandled exception while debugging...
> Traceback (most recent call last):
> File "S:\Python\DCOM\test.py", line , in ?
> flag = o.connectToVisionP400()
> File
> "C:\Programme\Python\Python2.4\lib\site-packages\win32com\gen_py\A5FE85B0-D562-11D3-A8E8-00609727A3F3x0x1x0.py",
> line 60, in connectToVisionP400
> return self._oleobj_.InvokeTypes(12, LCID, 1, (11, 0), (),)
> com_error: (-2147418113, 'Catastrophic failure', None, None)
> """
>
> except:
> flag = "*** - The connection not possible !"
>
> print flag
>
>
>
> Regards
> gerd
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