Celery version 4.0 runs on
  Python ❨2.7, 3.4, 3.5❩
  PyPy ❨5.4, 5.5❩
 This is the last version to support Python 2.7, and from the next version (Celery 5.x) Python 3.5 or newer is required.
 If you're running an older version of Python, you need to be running an older version of Celery:
  Python 2.6: Celery series 3.1 or earlier.
  Python 2.5: Celery series 3.0 or earlier.
  Python 2.4 was Celery series 2.2 or earlier.
 Celery is a project with minimal funding, so we don't support Microsoft Windows. Please don't open any issues related to that platform.

from celery import Celery
# 第一個(gè)參數(shù)就是當(dāng)前腳本的名稱(chēng)，backend 任務(wù)執(zhí)行結(jié)果的存儲(chǔ)地址broker 任務(wù)隊(duì)列的存儲(chǔ)地址
app = Celery('tasks', backend='redis://127.0.0.1', broker='redis://127.0.0.1')
@app.task
def add(x, y):
 return x + y

from tasks import add
result = add.delay(1, 2)
print('Is task ready: %s' % result.ready())  # False說(shuō)明任務(wù)還沒(méi)有執(zhí)行完
run_result = result.get(timeout=1)
print('task result: %s' % run_result)
print('Is task ready: %s' % result.ready())

$ cd celry
$ celery -A tasks worker --loglevel=info

cd celery
celery -A tasks flower --broker=redis://@localhost:6379/0

import os
from celery import Celery
# set the default Django settings module for the 'celery' program.
os.environ.setdefault('DJANGO_SEttINGS_MODULE', 'recruitment.base')  # 這里我把配置文件放到了根目錄下的settings/base.py 中
app = Celery('recruitment')
# Using a string here means the worker doesn't have to serialize
# the configuration object to child processes.
# - namespace='CELERY' means all celery-related configuration keys
#should have a `CELERY_` prefix.
app.config_from_object('django.conf:settings', namespace='CELERY')
# Load task modules from all registered Django apps.
app.autodiscover_tasks()
def debug_task(self):
  print(f'Request: {self.request!r}')

from __future__ import absolute_import, unicode_literals

# This will make sure the app is always imported when/保證所有app下的任務(wù)都能導(dǎo)入進(jìn)來(lái)
# Django starts so that shared_task will use this app.
from .celery import app as celery_app
__all__ = ('celery_app',)

CELERY_BROKER_URL = 'redis://localhost:6379/0'
CELERY_RESULT_BACKEND = 'redis://localhost:6379/1'
CELERY_ACCEPT_CONTENT = ['application/json']
CELERY_RESULT_SERIALIZER = 'json'
CELERY_TASK_SERIALIZER = 'json'
CELERY_TIMEZONE = 'Asia/Shanghai'
CELERYD_MAX_TASKS_PER_CHILD = 10
CELERYD_LOG_FILE = os.path.join(BASE_DIR, "logs", "celery_work.log")
CELERYBEAT_LOG_FILE = os.path.join(BASE_DIR, "logs", "celery_beat.log")

from __future__ import absolute_import, unicode_literals
from celery import shared_task
from .dingtalk import send
@shared_task
def send_dingtalk_message(message):
 send(message)

from dingtalkchatbot.chatbot import DingtalkChatbot
from django.conf import settings

def send(message, at_mobiles=[]):
 # 引用 settings里面配置的釘釘群消息通知的WebHook地址:
 webhook = settings.DINGTALK_WEB_HOOK
 # 初始化機(jī)器人小Y，
 xiaoY = DingtalkChatbot(webhook)
 # 方式二：勾選“加簽”選項(xiàng)時(shí)使用（v1.5以上新功能）
 # xiaoY = DingtalkChatbot(webhook, secret=secret)
 # Text消息@所有人
 xiaoY.send_text(msg=('消息通知: %s' % message), at_mobiles=at_mobiles)

from interview.tasks import send_dingtalk_message
def notify_interview(modeladmin, request, queryset):
 candidates = ''
 interviewers = ''
 for obj in queryset:
  candidates = obj.userame + '' + candidates
  interviewers = obj.first_interviewer_user + '' + interviewers
 # 這里的消息發(fā)送到釘釘， 或者通過(guò) Celery 異步發(fā)送到釘釘
 send_dingtalk_message.delay('候選人 %s 進(jìn)入面試環(huán)節(jié)， 親愛(ài)的面試官請(qǐng)做好面試準(zhǔn)備：%s。' % (candidates, interviewers))

$ celery -A recruitment worker -l info

$ DJANGO_SEttINGS_MODULE=settings.base celery --app=recruitment worker --loglevel=info

$ celery -A recruitment flower --broker=redis://localhost:6379/0