def task(app: Any, rq: Request) -> None:
""" Run the decorated route function in a new thread """
this_task = _tasks[task_id]
# Pretty ugly hack, but no better solution is apparent:
# Create a fresh Flask RequestContext object, wrapping our
# custom _RequestProxy object that can be safely passed between threads
with RequestContext(app, rq.environ, request=rq):
try:
# Run the original route function and record
# the response (return value)
rq.set_progress_func(progress)
this_task["rv"] = f(*args, **kwargs)
except HTTPException as e:
this_task["rv"] = current_app.handle_http_exception(e)
except Exception as e:
# The function raised an exception, so we set a 500 error
this_task["rv"] = InternalServerError()
if current_app.debug:
# We want to find out if something happened, so reraise
raise
finally:
# We record the time of the response, to help in garbage
# collecting old tasks
this_task["t"] = datetime.utcnow()
