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How can I request WFS data using GeoServer's viewparams with pyqgis?


Obtaining feature using ArcGIS for Server and WFS based on featureid?QGIS 2.16 adding certain WFS failedMapServer propertyname=fieldname only works when using gml as outputError connecting to gov.uk WFS in QGIS 2.18.15WFS: DescribeFeatureType query with typenames?issue with TYPENAME(s) in KVP for WFSBBox and KVP for WFSproblem with Bounding Box GetFeature WFSGetFeature request issue with WFSDownloading WFS data using QGIS?













0















Using pyqgis how can I request WFS data using GeoServer's viewparams request parameter?



I can use the viewparams request parameter to obtain the filtered WFS data I require via my web browser but not via pyqgis.



The below returns the results I require via a browser and this appears to be valid WFS GML
(Where <LDS_API_KEY> is the auth key generated by registered users via https://data.linz.govt.nz/. Please let me know if you can help and don't want to register and perhaps I can generate a temporary key to share)



https://data.linz.govt.nz/services;key=<LDS_API_KEY>/wfs?
SERVICE=wfs&VERSION=2.0.0&
REQUEST=GetFeature&
TYPENAMES=data.linz.govt.nz:layer-53353-changeset&
viewparams=from:2018-12-23T01:41:20.703998Z;to:2018-12-30T01:46:55.913620Z


via pyqgis when trying to create a WFS vector layer with the same URL with the viewparams I get a invalid layer:



url = 'https://data.linz.govt.nz/services;key=<LINZ_API_KEY>/wfs?SERVICE=wfs&VERSION=2.0.0&REQUEST=GetFeature&TYPENAME=data.linz.govt.nz:layer-53353-changeset&viewparams=from:2018-12-23T01:41:20.703998Z;to:2018-12-30T01:46:55.913620Z'
layer = QgsVectorLayer(url, 'test', 'WFS')
layer.isValid()
>>> False


How can I request my WFS data with a viewparams filter?










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    Using pyqgis how can I request WFS data using GeoServer's viewparams request parameter?



    I can use the viewparams request parameter to obtain the filtered WFS data I require via my web browser but not via pyqgis.



    The below returns the results I require via a browser and this appears to be valid WFS GML
    (Where <LDS_API_KEY> is the auth key generated by registered users via https://data.linz.govt.nz/. Please let me know if you can help and don't want to register and perhaps I can generate a temporary key to share)



    https://data.linz.govt.nz/services;key=<LDS_API_KEY>/wfs?
    SERVICE=wfs&VERSION=2.0.0&
    REQUEST=GetFeature&
    TYPENAMES=data.linz.govt.nz:layer-53353-changeset&
    viewparams=from:2018-12-23T01:41:20.703998Z;to:2018-12-30T01:46:55.913620Z


    via pyqgis when trying to create a WFS vector layer with the same URL with the viewparams I get a invalid layer:



    url = 'https://data.linz.govt.nz/services;key=<LINZ_API_KEY>/wfs?SERVICE=wfs&VERSION=2.0.0&REQUEST=GetFeature&TYPENAME=data.linz.govt.nz:layer-53353-changeset&viewparams=from:2018-12-23T01:41:20.703998Z;to:2018-12-30T01:46:55.913620Z'
    layer = QgsVectorLayer(url, 'test', 'WFS')
    layer.isValid()
    >>> False


    How can I request my WFS data with a viewparams filter?










    share|improve this question









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      0








      Using pyqgis how can I request WFS data using GeoServer's viewparams request parameter?



      I can use the viewparams request parameter to obtain the filtered WFS data I require via my web browser but not via pyqgis.



      The below returns the results I require via a browser and this appears to be valid WFS GML
      (Where <LDS_API_KEY> is the auth key generated by registered users via https://data.linz.govt.nz/. Please let me know if you can help and don't want to register and perhaps I can generate a temporary key to share)



      https://data.linz.govt.nz/services;key=<LDS_API_KEY>/wfs?
      SERVICE=wfs&VERSION=2.0.0&
      REQUEST=GetFeature&
      TYPENAMES=data.linz.govt.nz:layer-53353-changeset&
      viewparams=from:2018-12-23T01:41:20.703998Z;to:2018-12-30T01:46:55.913620Z


      via pyqgis when trying to create a WFS vector layer with the same URL with the viewparams I get a invalid layer:



      url = 'https://data.linz.govt.nz/services;key=<LINZ_API_KEY>/wfs?SERVICE=wfs&VERSION=2.0.0&REQUEST=GetFeature&TYPENAME=data.linz.govt.nz:layer-53353-changeset&viewparams=from:2018-12-23T01:41:20.703998Z;to:2018-12-30T01:46:55.913620Z'
      layer = QgsVectorLayer(url, 'test', 'WFS')
      layer.isValid()
      >>> False


      How can I request my WFS data with a viewparams filter?










      share|improve this question









      New contributor




      HuntMaster is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      Using pyqgis how can I request WFS data using GeoServer's viewparams request parameter?



      I can use the viewparams request parameter to obtain the filtered WFS data I require via my web browser but not via pyqgis.



      The below returns the results I require via a browser and this appears to be valid WFS GML
      (Where <LDS_API_KEY> is the auth key generated by registered users via https://data.linz.govt.nz/. Please let me know if you can help and don't want to register and perhaps I can generate a temporary key to share)



      https://data.linz.govt.nz/services;key=<LDS_API_KEY>/wfs?
      SERVICE=wfs&VERSION=2.0.0&
      REQUEST=GetFeature&
      TYPENAMES=data.linz.govt.nz:layer-53353-changeset&
      viewparams=from:2018-12-23T01:41:20.703998Z;to:2018-12-30T01:46:55.913620Z


      via pyqgis when trying to create a WFS vector layer with the same URL with the viewparams I get a invalid layer:



      url = 'https://data.linz.govt.nz/services;key=<LINZ_API_KEY>/wfs?SERVICE=wfs&VERSION=2.0.0&REQUEST=GetFeature&TYPENAME=data.linz.govt.nz:layer-53353-changeset&viewparams=from:2018-12-23T01:41:20.703998Z;to:2018-12-30T01:46:55.913620Z'
      layer = QgsVectorLayer(url, 'test', 'WFS')
      layer.isValid()
      >>> False


      How can I request my WFS data with a viewparams filter?







      qgis pyqgis wfs pyqgis-3






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      share|improve this question




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      edited 3 mins ago









      Vince

      14.8k32849




      14.8k32849






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      asked 11 mins ago









      HuntMasterHuntMaster

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