def testConnection(self): if not self.usrdefradio.isChecked(): return True if not any(f for f in (self.hostEdit.isModified(),self.portEdit.isModified(), self.usrEdit.isModified(),self.pwdEdit.isModified())): return False proxydata = {'type':'USER','host':str(self.hostEdit.text()),'port':str(self.portEdit.text()), 'auth':str(WFSDataStore.PROXY_AUTH[self.authSelect.currentIndex()-1]), 'user':str(self.usrEdit.text()),'pass':str(self.pwdEdit.text())} wfsdata = {'key':'00112233445566778899aabbccddeeff'}#key not necessary but config tester checks format lds = LDSDataStore(None,{'Proxy':proxydata,'WFS':wfsdata}) lds.applyConfigOptions() try: #use website likely to be up (that isn't LDS so error is distinct) lds.initDS('http://www.google.com/',False) except DatasourceConnectException as dce: QMessageBox.warning(self, 'Connection Error', 'Cannot connect to network using proxy parameters provided {}'.format(dce), 'OK') return False except DatasourceOpenException as dse: QMessageBox.info(self, 'Connection Warning', 'Connection parameters confirmed, Datasource initialisation untested. Continuing.\n{}'.format(dse), 'OK') return True except RuntimeError as rte: QMessageBox.warning(self, 'RuntimeError', 'Error connecting to network: '+str(rte), 'OK') return False return True