<div>                Did you set up the environmental variables to run it as a standalone script in python?<br>Like in section 1.4.3?<br>https://docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/intro.html#using-pyqgis-in-standalone-scripts<br>            </div>            <div class="yahoo_quoted" style="margin:10px 0px 0px 0.8ex;border-left:1px solid #ccc;padding-left:1ex;">                        <div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">                                <div>                    On Monday, November 2, 2020, 06:02:11 PM GMT+1, Etienne Trimaille <etienne.trimaille@gmail.com> wrote:                </div>                <div><br></div>                <div><br></div>                <div><div id="yiv4227917233"><div><div dir="ltr"><div>As you are using QGIS 3.14, I would suggest you to use qgis_process if you can.</div><div>Do you really want to use PyQGIS?<br clear="none"></div><div><br clear="none"></div><div>But if you really need PyQGIS, maybe the path where your script is located is not known to your standalone script ?<br clear="none"></div></div><br clear="none"><div class="yiv4227917233gmail_quote"><div class="yiv4227917233gmail_attr" dir="ltr">Le lun. 2 nov. 2020 à 17:33, PALMIER Patrick (Responsable de groupe) - CEREMA/DTerNP/DATHa/MT <<a rel="nofollow" shape="rect" ymailto="mailto:Patrick.Palmier@cerema.fr" target="_blank" href="mailto:Patrick.Palmier@cerema.fr">Patrick.Palmier@cerema.fr</a>> a écrit :<br clear="none"></div><blockquote class="yiv4227917233gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">          <div class="yiv4227917233yqt7346773165" id="yiv4227917233yqt50142"><div>    Hello,<br clear="none">    <br clear="none">    I work with Qgis 3.14 in Windows 10<br clear="none">    <br clear="none">    I try to call a processing algorithm from a python stand alone app,    <br clear="none">    I want to run the following script from the custom Networks    algorithm provider but I have the message that the algorithm is not    known<br clear="none">    <br clear="none">    How to register the provider in the processing registry to be able    to call it?<br clear="none">    <br clear="none">    <br clear="none">        QgsApplication.setPrefixPath("C:/Program Files/QGIS    3.14/apps/qgis", True)<br clear="none">        qgs = QgsApplication([], False)<br clear="none">    <br clear="none">        qgs.initQgis()<br clear="none">        import processing<br clear="none">        from processing.core.Processing import Processing<br clear="none">        Processing.initialize()<br clear="none">    <br clear="none">    <br clear="none">    <br clear="none">        processing.run("Networks:musliw_simple_matrix",    {'NODES':'G:/BD_DREAL/2020/script_modele_resmultimodal_light   /noeuds_light_hdf_be.gpkg','NUM':'num','START_POINT':'708675.425564,7063676.157556    [EPSG:2154]','END_POINT':'708675.425564,7063676.157556[EPSG:2154]','DEMAND':1,'DAY':1,'TIME':'09:00:00','DEPARTURE':1,'OUTPUT':'G:/BD_DREAL/2020/script_modele_resmultimodal_light/matrice.txt','WRITE_MODE':0})<br clear="none">    <br clear="none">    Thanks<br clear="none">    <br clear="none">    Best regards<br clear="none">    <br clear="none">    <br clear="none">    <div>-- <br clear="none">      <br clear="none">      <table width="715" cellspacing="0" cellpadding="0" border="0"><tbody><tr valign=""><td colspan="1" rowspan="1">              <p align="LEFT" style="margin-bottom:0cm;">                <font size="3" face="Helvetica, Arial,sans-serif"><b>                    Patrick Palmier                  </b></font><br clear="none">                <font size="1" face="DaxOT-Regular" color="#666666"><b>                    Responsable du groupe Mobilités et Territoires                    <br clear="none">                    DATHa / MT </b></font><br clear="none">                <font size="1" face="DaxOT-Regular" color="#666666"><b>                    Tél.: +33(0)3 20 49 60 70- Port : +33(0)7 77 34 25                    07                  </b>                </font>              </p>            </td></tr><tr valign="bottom"><td colspan="1" rowspan="1">              <img src="cid:YZBUgGn7dgzuthi742fJ" border="0"> <br clear="none">              <font size="1" face="DaxOT" color="#666666">                Cerema Nord-Picardie / 44 ter rue Jean-Bart - CS20275 -                59019 LILLE cedex <br clear="none">                <font size="1" face="DaxOT" color="#666666">                  <br clear="none">                </font>              </font></td></tr></tbody></table>    </div>  </div></div>_______________________________________________<br clear="none">QGIS-Developer mailing list<br clear="none"><a rel="nofollow" shape="rect" ymailto="mailto:QGIS-Developer@lists.osgeo.org" target="_blank" href="mailto:QGIS-Developer@lists.osgeo.org">QGIS-Developer@lists.osgeo.org</a><br clear="none">List info: <a rel="nofollow" shape="rect" target="_blank" href="https://lists.osgeo.org/mailman/listinfo/qgis-developer">https://lists.osgeo.org/mailman/listinfo/qgis-developer</a><br clear="none">Unsubscribe: <a rel="nofollow" shape="rect" target="_blank" href="https://lists.osgeo.org/mailman/listinfo/qgis-developer">https://lists.osgeo.org/mailman/listinfo/qgis-developer</a></blockquote></div></div></div><div class="yqt7346773165" id="yqt29693">_______________________________________________<br clear="none">QGIS-Developer mailing list<br clear="none"><a shape="rect" ymailto="mailto:QGIS-Developer@lists.osgeo.org" href="mailto:QGIS-Developer@lists.osgeo.org">QGIS-Developer@lists.osgeo.org</a><br clear="none">List info: <a shape="rect" href="https://lists.osgeo.org/mailman/listinfo/qgis-developer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-developer</a><br clear="none">Unsubscribe: <a shape="rect" href="https://lists.osgeo.org/mailman/listinfo/qgis-developer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-developer</a></div></div>            </div>                </div>