问Heroku上未使用的Celery RabbitMQ CloudAMQP任务队列

EN

web: gunicorn hellodjango.wsgi --workers 1
celery: python manage.py celery worker -E --time-limit=1200 --loglevel=ERROR

from os import environ
CELERY_RESULT_BACKEND = "amqp"
BROKER_POOL_LIMIT = 0
BROKER_URL = environ.get('CLOUDAMQP_URL', '')
CELERY_TASK_RESULT_EXPIRES = 14400

from django.shortcuts import render
from django.http import HttpResponse
from proj.tasks import add_to_count
from models import SampleCount
import logging
def test_async(request):
    sc = add_to_count.delay()
    count = SampleCount.objects.all()[0].num 
    return HttpResponse("test count: %s sc: %s name: %s " %(count,sc,add_to_count.name ))

from django.db import models
# Create your models here.
class SampleCount(models.Model):
    num = models.IntegerField(default=0)

from __future__ import absolute_import
from celery import shared_task
from proj.models import SampleCount
from celery import task
@task(name='proj.tasks')
def add_to_count():
    try:
        sc = SampleCount.objects.get(pk=1)
    except:
        sc = SampleCount()
    sc.num = sc.num + 2
    sc.save()
    return(sc)