[Pywps-dev] Raster Output error

Sat Jun 18 14:39:05 PDT 2016

hi,

as jonas was saying: response.outputs['response'].data = 'done' should work
better

Lorenzo:  do you get anything in the HTTPD server error.log file?

pá 10. 6. 2016 v 15:30 odesílatel Lorenzo Bottaccioli <
lorenzo.bottaccioli at gmail.com> napsal:

> Hi,
>
> I'have changed from file to data in response.outputs['response'].data =
> 'done', but bow I still get an error in the response.
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
> <title>500 Internal Server Error</title>
> <h1>Internal Server Error</h1>
> <p>The server encountered an internal error and was unable to complete
> your request.  Either the server is overloaded or there is an error in the
> application.</p>
>
>
> The GET request is written like this:
>
>
> http://130.192.5.114:8080/wps?service=wps&version=1.0.0&request=execute&Identifier=rast_try&datainputs=raster=@xlink:href=file:///home/lorenzo/aspect_1ifGBx0
>
> In the terminal I dont get any error report.
>
> Tnx,
>
> Lorenzo
>
> 2016-06-10 10:20 GMT+02:00 Jonas Eberle <jonas.eberle at gmx.de>:
>
>> The error "no such file or directory" comes from the following line:
>> response.outputs['response'].file = 'done'
>>
>> As response is a LiteralOutput I guess it is not correct to use the file
>> attribute, better use the data attribute:
>> response.outputs['response'].data = 'done'
>>
>> Cheers,
>> Jonas
>>
>> ----- Am 10. Jun 2016 um 10:13 schrieb Jachym Cepicky <
>> jachym.cepicky at gmail.com>:
>>
>> Hi Lorenzo,
>> There are two bugs as I understand. The first one:
>>
>> IOError: [Errno 2] No such file or directory:
>> '/tmp/pywps/pypws_process_lQqN_6/done'
>>
>> do you have /tmp/pywps/ directory in you system (and is it writeable?)
>>
>> The second bug is about attempt to write log to database
>>
>> nice report btw, with the process I believe, we can fix it (both) once we
>> find out what the problem could be
>>
>> Jachym
>>
>>
>> st 8. 6. 2016 v 11:50 odesílatel Lorenzo Bottaccioli <
>> lorenzo.bottaccioli at gmail.com> napsal:
>>
>>> Hi List,
>>>
>>> I'm trying to run a process that recives a GeoTIFF as input and response
>>> a GeoTIFF as output. But I'm having an error. The process is this:
>>> from pywps import Process, ComplexInput, ComplexOutput,
>>> get_format,LiteralOutput, Format
>>>
>>>
>>> class Raster(Process):
>>>
>>>     def __init__(self):
>>>         inputs = [ComplexInput('raster','Raster
>>> input',[Format('GEOTIFF')])]
>>>
>>>         outputs = [ComplexOutput('raster_out', 'Raster
>>> output',[Format('GEOJSON')]),LiteralOutput('response', 'Output response',
>>> data_type='string')]
>>>         super(Raster, self).__init__(
>>>             self._handler,
>>>             identifier='rast_try',
>>>             title='Raster try',
>>>             inputs=inputs,
>>>             outputs=outputs,
>>>             store_supported=True,
>>>             status_supported=True
>>>         )
>>>
>>>     def _handler(self, request, response):
>>>
>>>         from osgeo import gdal
>>>         app=request.inputs['raster'][0].file
>>>         inds = gdal.Open(app)
>>>         outdriver = gdal.GetDriverByName('GTiff')
>>>         outds = outdriver.CreateCopy('output.tiff', inds)
>>>         outds.FlushCache()
>>>         response.outputs['raster_out'].output_format = Format('GEOTIFF')
>>>         response.outputs['raster_out'].file = 'output.tiff'
>>>         response.outputs['response'].file = 'done'
>>>         return response
>>>
>>> The error that I recive is this one:
>>>
>>> Traceback (most recent call last):
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/Process.py",
>>> line 156, in _run_process
>>>     wps_response.update_status('PyWPS Process finished', 100)
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/WPSResponse.py",
>>> line 41, in update_status
>>>     self.doc = self._construct_doc()
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/WPSResponse.py",
>>> line 171, in _construct_doc
>>>     output_elements = [self.outputs[o].execute_xml() for o in
>>> self.outputs]
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/inout/outputs.py",
>>> line 276, in execute_xml
>>>     literal_data_doc = WPS.LiteralData(text_type(self.data))
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/inout/basic.py",
>>> line 231, in get_data
>>>     return IOHandler.get_data(self)
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/inout/basic.py",
>>> line 173, in get_data
>>>     file_handler = open(self.source, mode='r')
>>> IOError: [Errno 2] No such file or directory:
>>> '/tmp/pywps/pypws_process_lQqN_6/done'
>>> ERROR:root:Service error: near "''": syntax error
>>> Traceback (most recent call last):
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/Service.py",
>>> line 358, in _parse_and_execute
>>>     wps_response = process.execute(wps_request, uuid)
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/Process.py",
>>> line 145, in execute
>>>     wps_response = self._run_process(wps_request, wps_response)
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/Process.py",
>>> line 178, in _run_process
>>>     wps_response.update_status('Process error: %s.%s Line %i %s' %
>>> (fname, method_name, exc_tb.tb_lineno, e), -1)
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/app/WPSResponse.py",
>>> line 47, in update_status
>>>     update_response(self.uuid, self)
>>>   File
>>> "/usr/local/lib/python2.7/dist-packages/pywps-4.0-py2.7.egg/pywps/dblog.py",
>>> line 67, in update_response
>>>     cur.execute(update)
>>> OperationalError: near "''": syntax error
>>>
>>>
>>> How can I fix this?
>>>
>>> Best,
>>>
>>> Lorenzo
>>>
>>> _______________________________________________
>>> pywps-dev mailing list
>>> pywps-dev at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/pywps-dev
>>
>>
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>>
>>
>>
>
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