Re: [Py4j-users] Using copy.deepcopy() with Java Objects

[Alex G. <ale...@ne...>]

16.03.2011 12:24, Nicolò Perino kirjoitti:
> Hi,
> I was experimenting with your library P4JS and I was wandering how to create a copy of a Java object in Python environment. So I tried with the Python copy module, starting from your "stack" example:
>
>>>> stack = gateway.entry_point.getStack()
>>>> stack
> JavaObject id=o0
>>>> import copy
>>>> a = copy.deepcopy(stack)
> Traceback (most recent call last):
>    File "<stdin>", line 1, in<module>
>    File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/copy.py", line 173, in deepcopy
>      y = copier(memo)
>    File "/Library/Python/2.6/site-packages/py4j/java_gateway.py", line 343, in __call__
>      args_command = ''.join([get_command_part(arg, self.pool) for arg in new_args])
>    File "/Library/Python/2.6/site-packages/py4j/protocol.py", line 208, in get_command_part
>      command_part = REFERENCE_TYPE + parameter._get_object_id()
> AttributeError: 'dict' object has no attribute '_get_object_id'
>
> Is there a way to success in coping objects?
You'll have to do it on the Java side. The exact method depends on what 
type you are trying to copy.
> Thank you.
> Bye
>
>
> Nicolò Perino
> ______
> PhD Student @ USI - Faculty of Informatics
> http://www.people.usi.ch/perinon/
>
>
> ------------------------------------------------------------------------------
> Colocation vs. Managed Hosting
> A question and answer guide to determining the best fit
> for your organization - today and in the future.
> http://p.sf.net/sfu/internap-sfd2d
> _______________________________________________
> Py4j-users mailing list
> Py4...@li...
> https://lists.sourceforge.net/lists/listinfo/py4j-users