Voy prefacio con el que sé que hay un par de soluciones para este problema flotando en el aire, aunque ninguno de ellos siga esta guía aquí y no parece responder a mi pregunta.
Estoy recibiendo este error de mi Apio aplicación en el Matraz.
[2021-11-23 22:50:01,469: ERROR/ForkPoolWorker-1] Task smartful_versioning_flask.test_celery_task[6dda4a4b-cf64-4fdc-8317-237dca9ad31b] raised unexpected: RuntimeError('Working outside of application context.\n\nThis typically means that you attempted to use functionality that needed\nto interface with the current application object in some way. To solve\nthis, set up an application context with app.app_context(). See the\ndocumentation for more information.')
Traceback (most recent call last):
File "/var/smartful_flask/smartful_venv/lib/python3.7/site-packages/celery/app/trace.py", line 450, in trace_task
R = retval = fun(*args, **kwargs)
File "/var/smartful_flask/smartful_venv/lib/python3.7/site-packages/celery/app/trace.py", line 731, in __protected_call__
return self.run(*args, **kwargs)
File "/var/smartful_flask/smartful_versioning_flask.py", line 21, in test_celery_task
return jsonify({"something": "something"})
File "/var/smartful_flask/smartful_venv/lib/python3.7/site-packages/flask/json/__init__.py", line 336, in jsonify
if current_app.config["JSONIFY_PRETTYPRINT_REGULAR"] or current_app.debug:
File "/var/smartful_flask/smartful_venv/lib/python3.7/site-packages/werkzeug/local.py", line 422, in __get__
obj = instance._get_current_object()
File "/var/smartful_flask/smartful_venv/lib/python3.7/site-packages/werkzeug/local.py", line 544, in _get_current_object
return self.__local() # type: ignore
File "/var/smartful_flask/smartful_venv/lib/python3.7/site-packages/flask/globals.py", line 47, in _find_app
raise RuntimeError(_app_ctx_err_msg)
**RuntimeError: Working outside of application context.**
This typically means that you attempted to use functionality that needed
to interface with the current application object in some way. To solve
this, set up an application context with app.app_context(). See the
documentation for more information.
Después de mucho resolución de problemas, estoy en una pérdida completa. ¿Dónde puede uno pasar en el contexto de la aplicación que se hace referencia en la excepción?
from flask import Flask, jsonify
from celery import Celery
app = Flask(__name__)
app.config['CELERY_BROKER_URL'] = 'redis://localhost:6379/0'
app.config['CELERY_RESULT_BACKEND'] = 'redis://localhost:6379/0'
celery = Celery(app.name, broker=app.config['CELERY_BROKER_URL'])
celery.conf.update(app.config)
@celery.task
def test_celery_task():
return jsonify({"something": "something"})
@app.route("/web/start/backend", methods=['POST'])
def start_task():
task = test_celery_task.apply_async()
return task.id
@app.route("/web/check-status/backend/<task_id>", methods=['GET'])
def check_task(task_id):
task = test_celery_task.AsyncResult(task_id)
if task.state == 'PENDING':
return jsonify({
"task": task_id,
"state": task.state,
"data": None,
"complete": False,
"error": False
})
elif task.state == 'SUCCESS':
print(task.info)
else:
print(task.state)
return "task.info"
if __name__ == "__main__":
app.run()
Como era de esperar aquí con este rastreo, la tarea fallará y no volver nunca desde el backend. Estoy usando Ngnix, wsgi, Supervisor de servir a esta - a pesar de que el mismo problema existe con o sin supervisor de desove de los trabajadores.
Estoy seguro de que es algo tonto y trivial que estoy vistas, aunque como es habitual - demasiado ciego para ver.