Hi Bo, you may have a look to https://qgis.org/pyqgis/master/core/QgsProviderRegistry.html?highlight=decodeuri#qgis.core.QgsProviderRegistry.decodeUri and encodeUri.
Or better: the connections API https://qgis.org/pyqgis/master/core/QgsAbstractProviderConnection.html On Sat, Jan 9, 2021 at 2:03 PM Bo Victor Thomsen <[email protected]> wrote: > > Ok, this has me stumped. > > I know, that I can generate a database URI like this (example from cookbook): > > uri = QgsDataSourceUri() > # set host name, port, database name, username and password > uri.setConnection("localhost", "5432", "dbname", "johny", "xxx") > # set database schema, table name, geometry column and optionally > # subset (WHERE clause) > uri.setDataSource("public", "roads", "the_geom", "cityid = 2643") > > vlayer = QgsVectorLayer(uri.uri(False), "layer name you like", "postgres") > > > But I would like to use information from a already defined Datasource > connection from the Datamanager dialog. > > I suspect, that there must be a > "QgsSettingsConvertToUri_or_whatever_it_is_called()" function that uses a > QGS settings address (ex. like "/PostgreSQL/connections/MyDatabase" for a > Postgresql database connection) as input and automatically convert the > settings values to a URI string. > > Is there anyone, that can point me in the right direction ? > > -- > > Med venlig hilsen / Kind regards > > Bo Victor Thomsen > > _______________________________________________ > QGIS-Developer mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer -- Alessandro Pasotti QCooperative: www.qcooperative.net ItOpen: www.itopen.it _______________________________________________ QGIS-Developer mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
