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import flask
from flask.ext.sqlalchemy import SQLAlchemy
from celery import Celery
from app import app
from app.models import *
class TaskError(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr("TaskError: " + self.value)
class FlaskCelery(Celery):
def __init__(self, *args, **kwargs):
super(FlaskCelery, self).__init__(*args, **kwargs)
self.patch_task()
if 'app' in kwargs:
self.init_app(kwargs['app'])
def patch_task(self):
TaskBase = self.Task
_celery = self
class ContextTask(TaskBase):
abstract = True
def __call__(self, *args, **kwargs):
if flask.has_app_context():
return TaskBase.__call__(self, *args, **kwargs)
else:
with _celery.app.app_context():
return TaskBase.__call__(self, *args, **kwargs)
self.Task = ContextTask
def init_app(self, app):
self.app = app
self.config_from_object(app.config)
def make_celery(app):
celery = FlaskCelery(app.import_name, backend=app.config['CELERY_RESULT_BACKEND'],
broker=app.config['CELERY_BROKER_URL'])
celery.init_app(app)
return celery
celery = make_celery(app)
from . import importtasks, forumtasks, emails
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