return self._request_director.send(req)
except NoSupportingHandlers as e:
for ue in e.unsupported_errors:
+ # FIXME: This depends on the order of errors.
if not (ue.handler and ue.msg):
continue
if ue.handler.RH_KEY == 'Urllib' and 'unsupported url scheme: "file"' in ue.msg.lower():
if 'unsupported proxy type: "https"' in ue.msg.lower():
raise RequestError(
'To use an HTTPS proxy for this request, one of the following dependencies needs to be installed: requests')
+
+ elif (
+ re.match(r'unsupported url scheme: "wss?"', ue.msg.lower())
+ and 'websockets' not in self._request_director.handlers
+ ):
+ raise RequestError(
+ 'This request requires WebSocket support. '
+ 'Ensure one of the following dependencies are installed: websockets',
+ cause=ue) from ue
raise
except SSLError as e:
if 'UNSAFE_LEGACY_RENEGOTIATION_DISABLED' in str(e):