win32com.client.Dispatch returns CLSID different than makepy

Erick Bodine erick_bodine at
Sat Mar 6 02:08:27 CET 2004

I saw something similar when I ran makepy on "Microsoft CDO for
Exchange Management Library".  I emailed the list but got no response
<shrugging shoulders>

Out of curiousity, are you using ActivePython's distribution or Python
+ latest win32all ?


stefano at (Stefano Masini) wrote in message news:<80ef91b8.0403050919.2900a951 at>...
> I'm trying to script Adobe InDesign CS from python thru COM, and I'm
> having a horrible time to even get started.
> I ran makepy, and chose "Adobe InDesign CS Type Library".
> It produced a horribly named module inside the gen_py directory, and
> when I run -d I get this:
> Cache is in directory C:\Python23\lib\site-packages\win32com\gen_py
> Adobe InDesign CS Type Library -
> {6926C15F-E97E-4b13-8658-A97D8C616945}
> Therefore it looks like everything worked so far, and the type library
> for InDesign has the Class ID {6926C15F-E97E-4b13-8658-A97D8C616945}
> Now, when I write the following python code:
> comApp = win32com.client.Dispatch('InDesign.Application')
> print repr(comApp)
> I get:
> <COMObject InDesign.Application>
> Which looks like a dynamic dispatch, rather that a static one, as it
> should be since I ran makepy on purpose.
> Indeed, I manually placed some print statements around the win32com
> python source code and I figured out that the name
> 'InDesign.Application' (I also tried with 'InDesign.Application.CS')
> maps to the Class ID {ABD4CBB2-0CFE-11D1-801D-0060B03C02E4}.
> This is different from the one produced by makepy, and therefore the
> dispatch method can't find anything in cache, and falls back to
> dynamic behaviour.
> Anybody have a clue on what's going on here?
> I thought I ought to write something different that
> 'InDesign.Application'... so I tried 'Adobe.InDesign.Application',
> 'Adobe.CS.....' and all sorts of things, but no luck.
> Once I chose the 'Adobe InDesign CS Type Library' from makepy, how do
> I know what am I supposed to use as the parameter to Dispatch() ?
> Thank you very much, I hope somebody helps me out.
> Maybe with some useful readings...

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