[Paraview] SyntaxError reported parsing Python Calculator ?

[Cory Quammen]

Turns out there is an existing related bug in the bug tracker:

http://www.paraview.org/Bug/view.php?id=15923

On Fri, Jun 24, 2016 at 12:39 AM, Cory Quammen <cory.quammen at kitware.com> wrote:
> Dean,
>
> Do you have "Auto Apply" on? This may be leading to the problem - this
> filter is added to the pipeline and the Apply button is effectively
> pressed right away while the Python Calculator expression is empty.
> Having "Auto Apply" on, I can reproduce the error message you get.
>
> Can you try disabling "Auto Apply" and report how that goes? We really
> should handle the empty expression better for this very case.
>
> Thanks,
> Cory
>
> On Thu, Jun 23, 2016 at 8:38 PM, Dean Neumann <dwneumann at gmail.com> wrote:
>> on my paraview 5.0.1 64-bit on Windows-7
>> (from precompiled distribution at paraview.org)
>>
>> What is the reason that I get the following errors when instantiating a
>> Python Calculator filter on a single input of type UnstructuredGrid:
>>
>> Traceback (most recent call last):
>>
>> File "<string>", line 4, in <module>
>>
>> File "C:\Program
>> Files\ParaView\lib\paraview-5.0\site-packages\paraview\calculator.py", line
>> 102, in execute
>>
>> retVal = compute(inputs, expression, ns=variables)
>>
>> File "C:\Program
>> Files\ParaView\lib\paraview-5.0\site-packages\paraview\calculator.py", line
>> 74, in compute
>>
>> retVal = eval(expression, globals(), mylocals)
>>
>> File "<string>", line 0
>>
>> ^
>>
>> SyntaxError: unexpected EOF while parsing
>>
>>
>> What is being parsed?   The filter input is an internal paraview data set.
>> The input was active at the time the filter was instantiated.  The error
>> occurs as soon as the filter is selected and added to the pipeline.
>> I can attach the input dataset if requested.
>> Thanks.
>>
>> Dean Neumann
>>
>> CEO,  Malaspina Labs Inc.
>>
>> www.malaspina-labs.com
>>
>>
>>
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>
>
>
> --
> Cory Quammen
> R&D Engineer
> Kitware, Inc.



-- 
Cory Quammen
R&D Engineer
Kitware, Inc.