<div dir="ltr"><div dir="ltr">On Mon, Jul 17, 2023 at 3:03 PM Jakob Miksch via QGIS-User <<a href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a>> wrote:</div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg-1525691973812148331">
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<p class="MsoNormal">Hello everyone, <u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><span lang="EN-US">To my knowledge it is only possible to change a QGIS server project via the QGIS desktop GUI. However, I would like to dynamically add or remove layers in a QGIS server project.
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Is there or has there been any approach to accomplish this?<br>
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My spontaneous idea is to use pyQGIS to edit the QGIS server project directly without using the GUI, but maybe other approaches exist. I would be grateful for any experiences, ideas or hints.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks, and best regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Jakob</span></p></div></div></div></blockquote><div><br></div><div>Hi,</div><div><br></div><div>you can change a project in memory on each request using server plugins: <a href="https://docs.qgis.org/3.28/en/docs/pyqgis_developer_cookbook/server.html">https://docs.qgis.org/3.28/en/docs/pyqgis_developer_cookbook/server.html</a>, the project is accessible via QgsProject.instance().</div><div><br></div><div>If you want a permanent change to the project you need to rewrite the project XML on the storage.<br></div><div><br></div><div>Kind regards</div><div><br></div><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg-1525691973812148331"><div style="overflow-wrap: break-word;" lang="DE"><div class="m_-1525691973812148331WordSection1"><p class="MsoNormal"><span lang="EN-US"><u></u><u></u></span></p>
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</div></blockquote></div><br clear="all"><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div>Alessandro Pasotti</div><div>QCooperative: <a href="https://www.qcooperative.net" target="_blank">www.qcooperative.net</a><br></div>ItOpen: <a href="http://www.itopen.it" target="_blank">www.itopen.it</a></div></div></div>