def register_error_handlers(app: App) -> App:
"""Adds custom handlers for exceptions to Connexion app instance."""
# Add error handlers
app.add_error_handler(BadRequest, handle_bad_request)
app.add_error_handler(ExtraParameterProblem, handle_bad_request)
app.add_error_handler(InternalServerError, handle_internal_server_error)
app.add_error_handler(Unauthorized, handle_unauthorized)
logger.info('Registered custom error handlers with Connexion app.')
# Workaround for adding a custom handler for `connexion.problem` responses
# Responses from request and paramater validators are not raised and
# cannot be intercepted by `add_error_handler`; see here:
# https://github.com/zalando/connexion/issues/138
@app.app.after_request
def _rewrite_bad_request(response: Response) -> Response:
if (
response.status_code == 400 and
response.data.decode('utf-8').find('"title":') is not None and
"detail" in response.json
):
response = handle_bad_request_validation(response)
return response
return app
def register_error_handlers(app: App) -> App:
"""Adds custom handlers for exceptions to Connexion app instance."""
# Add error handlers
app.add_error_handler(BadRequest, handle_bad_request)
app.add_error_handler(ExtraParameterProblem, handle_bad_request)
app.add_error_handler(Forbidden, __handle_forbidden)
app.add_error_handler(InternalServerError, __handle_internal_server_error)
app.add_error_handler(Unauthorized, __handle_unauthorized)
app.add_error_handler(WorkflowNotFound, __handle_workflow_not_found)
logger.info('Registered custom error handlers with Connexion app.')
# Return Connexion app instance
return app