def setUpClass(cls): # to see how to setup a qgis app in pyqgis # https://hub.qgis.org/issues/13494#note-19 os.environ["QGIS_DEBUG"] = str(-1) QCoreApplication.setOrganizationName('QGIS') QCoreApplication.setApplicationName('QGIS2') QgsApplication.setPrefixPath(os.getenv("QGIS_PREFIX_PATH"), True) QgsApplication.setAuthDbDirPath('/home/richard/.qgis2/')