def _open_wfs(self, name, capabilites_url):
# Add new HTTPConnection like in source
# https://github.com/qgis/QGIS/blob/master/src/gui/qgsnewhttpconnection.cpp
# https://github.com/qgis/QGIS/blob/79616fd8d8285b4eb93adafdfcb97a3e429b832e/src/app/qgisapp.cpp#L3783
self.msg_log_debug(u'add WFS: Name={0}, original URL={1}'.format(
name, capabilites_url))
# remove additional url parameters, otherwise adding wfs works the frist time only
# https://github.com/qgis/QGIS/blob/9eee12111567a84f4d4de7e020392b3c01c28598/src/gui/qgsnewhttpconnection.cpp#L199-L214
url = QUrl(capabilites_url)
query_string = url.query()
if query_string:
query_string = QUrlQuery(query_string)
query_string.removeQueryItem('SERVICE')
query_string.removeQueryItem('REQUEST')
query_string.removeQueryItem('FORMAT')
query_string.removeQueryItem('service')
query_string.removeQueryItem('request')
query_string.removeQueryItem('format')
#also remove VERSION: shouldn't be necessary, but QGIS sometimes seems to append version=1.0.0
query_string.removeQueryItem('VERSION')
query_string.removeQueryItem('version')
url.setQuery(query_string)
capabilites_url = url.toString()
self.msg_log_debug(u'add WFS: Name={0}, base URL={1}'.format(
name, capabilites_url))
s = QSettings()
self.msg_log_debug(u'existing WFS url: {0}'.format(
s.value(u'qgis/connections-wfs/{0}/url'.format(name), '')))
key_user = u'qgis/WFS/{0}/username'.format(name)
key_pwd = u'qgis/WFS/{0}/password'.format(name)
key_referer = u'qgis/connections-wfs/{0}/referer'.format(name)
key_url = u'qgis/connections-wfs/{0}/url'.format(name)
key_authcfg = u'qgis/WFS/{0}/authcfg'.format(name)
s.remove(key_user)
s.remove(key_pwd)
s.remove(key_referer)
s.remove(key_url)
s.sync()
s.setValue(key_user, '')
s.setValue(key_pwd, '')
s.setValue(key_referer, '')
s.setValue(key_url, capabilites_url)
if self.settings.auth_propagate and self.settings.authcfg:
s.setValue(key_authcfg, self.settings.authcfg)
s.setValue(u'qgis/connections-wfs/selected', name)
# create new dialog
wfs_dlg = QgsProviderRegistry.instance().selectWidget(
"WFS", self.main_win)
wfs_dlg = QgsProviderRegistry.instance().createSelectionWidget(
"WFS", self.main_win)
wfs_dlg.addVectorLayer.connect(
lambda url: iface.addVectorLayer(url, name, "WFS"))
wfs_dlg.show()
