[python-win32] Exception setting a string using COM

[Tim Roberts]

Aleksandr VLADIMIRSKIY wrote:
> I'm attempting to set a string value using a COM interface to an application. I get the following traceback. Could anyone help me understand the nature of the error or how I might begin to discover it?
> ...
>
> In [11]: item.Path = ""
> ---------------------------------------------------------------------------
> pywintypes.com_error                                 Traceback (most recent call last)
>
> C:\<ipython console>
>
> c:\python24\lib\site-packages\win32com\client\__init__.py in __setattr__(self, attr, value)
>     461                 except KeyError:
>     462                         raise AttributeError, "'%s' object has no attribute '%s'" % (repr(self), attr)
> --> 463                 self._oleobj_.Invoke(*(args + (value,) + defArgs))
>     464         def _get_good_single_object_(self, obj, obUserName=None, resultCLSID=None):
>     465                 return _get_good_single_object_(obj, obUserName, resultCLSID)
>
> com_error: (-2147352567, 'Exception occurred.', (0, None, None, None, 0, -2147467259), None)
>   

-2147467259 is 80004005, which is the rather unhelpful E_FAIL.

Sometimes, when it is mapping a settable/gettable property, the Python 
COM mapper creates a separate method for setting.  You might try:
    item.setPath( "" )

-- 
Tim Roberts, timr at probo.com
Providenza & Boekelheide, Inc.