COM, Outlook, and constants

Mark Hammond mhammond at skippinet.com.au
Thu Sep 12 00:59:27 CEST 2002


Ken Seehof wrote:
> I just upgraded my windows box to XP, and resumed working on a Outlook 
> COM project
> that I haven't touched for a few weeks.  For some reason it doesn't work 
> anymore.
> Anyway, the symptom I am trying to resolve now is that 
> win32com.client.constants
> doesn't seem to work anymore.  It's supposed to acquire attributes for 
> all constants
> defined in loaded COM servers through its __dicts__ attribute.
> 
> The following is typical of python COM client code.  Any hints?
> 
>  >>> import win32com.client
>  >>> ol = win32com.client.Dispatch("Outlook.Application")
>  >>> ns = ol.GetNamespace("MAPI")
>  >>> oc = win32com.client.constants
>  >>> oc.olFolderInbox
> Traceback (most recent call last):
>   File "<interactive input>", line 1, in ?
>   File "C:\Python22\lib\site-packages\win32com\client\__init__.py", line 
> 131, in __getattr__
>     raise AttributeError, a
> AttributeError: olFolderInbox
>  >>> oc.__dicts__
> []
>  >>>

makepy has not been run for this object library.  Your code should use 
gencache.EnsureDispatch() to ensure makepy support exists.

Mark.




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