[python-win32] Python 3 --> Can't pickle <class 'pywintypes.datetime'>

[Vernon D. Cole]

Help me, Obiwan Kanobi...

I have been tracking this one down, for two days, and have cleaned by my
data conversion routines and the documentation for them as a result. but I
can't determine the "right" way to fix this.

This works fine in Python 2,  but in Python 3, the class of a datetime
retrieved from COM is different.  I can send them across a PyRO link in
Python 2,  when I try it in Python 3 I get: the error:

adodbapi.apibase.DatabaseError: Can't pickle <class 'pywintypes.datetime'>:
attribute lookup pywintypes.datetime failed

The conversion code I use is:

    def DateObjectFromCOMDate(self,comDate):
        if isinstance(comDate,datetime.datetime):
            return comDate.replace(tzinfo=None) # make non aware

Which returns a pywintypes.datetime, which, as you see, will not pickle.

Any suggestions?
--
Vernon
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