[PyWPS-dev] Running a subprocess via pyWPS?

[Carsten Ehbrecht]

Hi Derek,

I just had a glimpse view on your code example. If I understand it correctly your PyWPS process is calling a threaded python function. So, I would try to test both independently … the process (just returning a dummy result) and your python function.

To test pywps you might find hints here:

* https://github.com/PyWPS/pywps-workshop/blob/master/03-Testing.md <https://github.com/PyWPS/pywps-workshop/blob/master/03-Testing.md>
* https://birdhouse-workshop.readthedocs.io/en/latest/pywps/testing.html <https://birdhouse-workshop.readthedocs.io/en/latest/pywps/testing.html> 
* https://github.com/bird-house/emu/blob/master/tests/test_wps_hello.py <https://github.com/bird-house/emu/blob/master/tests/test_wps_hello.py> 

Cheers,
Carsten

> On 7 Dec 2018, at 1:40 pm, Derek Hohls <dhohls at csir.co.za> wrote:
> 
> Hi
> 
> I am using pyWPS 4.  I am trying to use it to trigger the opening of a sub-process in a thread.  However, I get no response back, nor does the subprocess appear to activate.  
> 
> I am looking for help in (a) how to get this going and (b) how to debug what the cause of the issue is.
> 
> I have a attached a sample 'dummy' app (Note that for my actual application, the thread that is launched is expected to run continuously in the background; so the "ls" function I have used here is not a really good, representative example but the simplest one I could think of).
> 
> Thanks in advance
> 
> Derek
> 
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