django使用celery异步

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本文详细介绍如何在Window10环境下，使用Python2.7和Django1.11.13集成Celery异步任务处理框架。文章涵盖安装过程、配置步骤、任务定义与调用，以及运行Celery worker的方法。

开发环境：window10，python2.7，django1.11.13，

安装：pip install celery-with-redis，pip install celery，pip install django-celery，pip install redis

redis安装链接：https：//github.com/MSOpenTech/redis。找到Redis-x64-3.2.100.msi

目录结构：

- djangoDemo
  - djangoDemo
    setting.py
    wsgi.py
    urls.py
  - app
    models.py
    views.py
    ...

配置setting.py

INSTALLED_APPS = (
    ...
    'app',
    'djcelery',
)


BROKER_URL = 'redis://127.0.0.1:6379/0'
BROKER_TRANSPORT = 'redis'

CELERYBEAT_SCHEDULER = 'djcelery.schedulers.DatabaseScheduler'

创建PY文件在djangoDemo / djangoDemo / celery.py目录下：

# encoding: utf-8
from __future__ import absolute_import,unicode_literals
import os
from celery import Celery
from django.conf import settings
# set the default Django settings module for the 'celery' program.
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'djangoDemo.settings')
app = Celery('djangoDemo')
# Using a string here means the worker will not have to
# pickle the object when using Windows.
app.config_from_object('django.conf:settings')
app.autodiscover_tasks(lambda: settings.INSTALLED_APPS)

@app.task(bind=True)
def debug_task(self):
    print('Request: {0!r}'.format(self.request))

创建djangoDemo /应用程序/ tasks.py

from __future__ import absolute_import
from djangoDemo.celery import app
@app.task
def add(x, y):
   return x+y

view.py中使用

from django.shortcuts import render, HttpResponse

from app.tasks import add

from djangoDemo.celery import app
def tests(request):
    result = add.delay(2,4)
    #获取id
    ids = result.id
    #获取执行状态
    sget = result.state
    #返回执行状态
    state = app.AsyncResult(ids).state
    #返回执行结果
    results = app.AsyncResult(ids).result
    return HttpResponse(results)

url.py配置

  url(r'^tests/', views.tests),

启动django

python manage.py runserver

启动celery

python manage.py celery worker -c 4 --loglevel=info

测试：