I am also looking for this. I have tried various versions of python
without success. Whenever I try to get the array of values out of a remote
ndarray object, I have this problem.
On Wednesday, September 13, 2017 at 10:29:59 AM UTC-4, Shuang Qiu wrote:
>
> Hi bokubob,
>
> I know this is a very old post, but do you have any solution to make numpy
> array work with rpyc? I encounter similar issue recently.
>
> Thank you and best regards!
> Shuang
>
> On Saturday, March 20, 2010 at 11:08:18 AM UTC+8, bokubob wrote:
>>
>> Hello,
>>
>> Does anyone use rpyc with numpy arrays? I'm having some strange
>> behavior, but I'm just starting with rpyc, so I don't really know
>> where to start.
>>
>> Here's an example:
>>
>> Python 2.6.4 (r264:75706, Mar 5 2010, 22:31:14)
>> [GCC 4.1.2 20080704 (Red Hat 4.1.2-46)] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> import numpy
>> >>> import rpyc
>> >>> c = rpyc.classic.connect("localhost")
>> >>> a = numpy.array([1,2,3])
>> >>> type(a)
>> <type 'numpy.ndarray'>
>> >>> c.modules.numpy.max(a)
>> 3
>> >>> c.modules.numpy.array([1,2,3])
>> array([1, 2, 3])
>> >>> c.modules.numpy.array(a)
>> ======= Remote traceback =======
>> Traceback (most recent call last):
>> File "/home/jeisch/scripts/python/rpyc/core/protocol.py", line 234,
>> in _dispatch_request
>> res = self._HANDLERS[handler](self, *args)
>> File "/home/jeisch/scripts/python/rpyc/core/protocol.py", line 447,
>> in _handle_call
>> **dict(kwargs))
>> ValueError: invalid __array_struct__
>>
>> ======= Local exception ========
>> Traceback (most recent call last):
>> File "<stdin>", line 1, in <module>
>> File "/home/jeisch/scripts/python/rpyc/core/netref.py", line 123, in
>> __call__
>> return syncreq(_self, consts.HANDLE_CALL, args, kwargs)
>> File "/home/jeisch/scripts/python/rpyc/core/netref.py", line 45, in
>> syncreq
>> return conn().sync_request(handler, oid, *args)
>> File "/home/jeisch/scripts/python/rpyc/core/protocol.py", line 353,
>> in sync_request
>> raise obj
>> ValueError: invalid __array_struct__
>> >>>
>>
>> I'm using rpyc 3.0.7, python 2.6.4, numpy 1.3.0.
>>
>> I don't need to do this exact operation, but the operations I do want
>> to use (involving matplotlib) run into this exact same error.
>>
>> Thanks,
>> -Jonathan
>>
>>
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