I hope somebody here can help me out here.

I have a Python COM server which I call from Excel. The Python object is a bit complex and i
ts 
__del__ method is not called when the reference count to the object from within Excel go to 
0. For 
this reason I have a CleanUp method that makes sure all the resources are released. My probl
em is 
that I want to make sure that this CleanUp method is always called when there are not more 
references to the COM server.

So, my question is: is there a way to know when the reference count of the COM object goes t
o 0 ? 
For example, when Excel does not use it anymore and the variable is set to Nothing?


I looked quite a bit in the archive of the mailing list with no luck.

thanks,
Raul








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