Ich habe eine Anwendung mit Riss und Sellerie der Code ist hier:Flask, verwendet Baupläne Sellerie Aufgabe und bekam Zyklus Import
config.py
import os
from celery.schedules import crontab
basedir = os.path.abspath(os.path.dirname(__file__))
class Config:
SECRET_KEY = os.environ.get('SECRET_KEY') or ''
SQLALCHEMY_COMMIT_ON_TEARDOWN = True
RECORDS_PER_PAGE = 40
SQLALCHEMY_DATABASE_URI = ''
CELERY_BROKER_URL = ''
CELERY_RESULT_BACKEND = ''
CELERY_RESULT_DBURI = ''
CELERY_TIMEZONE = 'Europe/Kiev'
CELERY_ENABLE_UTC = False
CELERYBEAT_SCHEDULE = {}
@staticmethod
def init_app(app):
pass
class DevelopmentConfig(Config):
DEBUG = True
WTF_CSRF_ENABLED = True
APP_HOME = ''
SQLALCHEMY_DATABASE_URI = 'mysql+mysqldb://...'
CELERY_BROKER_URL = 'sqla+mysql://...'
CELERY_RESULT_BACKEND = "database"
CELERY_RESULT_DBURI = 'mysql://...'
CELERY_TIMEZONE = 'Europe/Kiev'
CELERY_ENABLE_UTC = False
CELERYBEAT_SCHEDULE = {
'send-email-every-morning': {
'task': 'app.workers.tasks.send_email_task',
'schedule': crontab(hour=6, minute=15),
},
}
class TestConfig(Config):
DEBUG = True
WTF_CSRF_ENABLED = False
TESTING = True
SQLALCHEMY_DATABASE_URI = 'mysql+mysqldb://...'
class ProdConfig(Config):
DEBUG = False
WTF_CSRF_ENABLED = True
SQLALCHEMY_DATABASE_URI = 'mysql+mysqldb://...'
CELERY_BROKER_URL = 'sqla+mysql://...celery'
CELERY_RESULT_BACKEND = "database"
CELERY_RESULT_DBURI = 'mysql://.../celery'
CELERY_TIMEZONE = 'Europe/Kiev'
CELERY_ENABLE_UTC = False
CELERYBEAT_SCHEDULE = {
'send-email-every-morning': {
'task': 'app.workers.tasks.send_email_task',
'schedule': crontab(hour=6, minute=15),
},
}
config = {
'development': DevelopmentConfig,
'default': ProdConfig,
'production': ProdConfig,
'testing': TestConfig,
}
class AppConf:
"""
Class to store current config even out of context
"""
def __init__(self):
self.app = None
self.config = {}
def init_app(self, app):
if hasattr(app, 'config'):
self.app = app
self.config = app.config.copy()
else:
raise TypeError
init Py: import os
from flask import Flask
from celery import Celery
from config import config, AppConf
def create_app(config_name):
app = Flask(__name__)
app.config.from_object(config[config_name])
config[config_name].init_app(app)
app_conf.init_app(app)
# Connect to Staging view
from staging.views import staging as staging_blueprint
app.register_blueprint(staging_blueprint)
return app
def make_celery(app=None):
app = app or create_app(os.getenv('FLASK_CONFIG') or 'default')
celery = Celery(__name__, broker=app.config.CELERY_BROKER_URL)
celery.conf.update(app.conf)
TaskBase = celery.Task
class ContextTask(TaskBase):
abstract = True
def __call__(self, *args, **kwargs):
with app.app_context():
return TaskBase.__call__(self, *args, **kwargs)
celery.Task = ContextTask
return celery
tasks.py: von app import make_celery, ap p_conf
cel = make_celery(app_conf.app)
@cel.task
def send_realm_to_fabricdb(realm, form):
some actions...
und hier ist das Problem: The Blueprint "staging" verwendet Aufgabe send_realm_to_fabricdb, so macht es: from tasks import send_realm_to_fabricdb
als, wenn ich nur Anwendung ausführen, geht alles in Ordnung ABER, wenn ich versuche, Run Sellerie: celery -A app.tasks worker -l info --beat
, geht es zu cel = make_celery(app_conf.app)
in tasks.py, habe app = None und versuche, Anwendung neu zu erstellen: Registrierung eines Blueprint ... so habe ich Zyklus importieren hier. Können Sie mir sagen, wie man diesen Zyklus bricht? Vielen Dank im Voraus.
Howdie, ich bin derzeit mit dem gleichen Problem beschäftigt. Konnten Sie das funktionieren? – Jimmy