[2019-07-07 18:43:27,756: INFO/MainProcess] Connected to redis://127.0.0.1:6379/0
[2019-07-07 18:43:27,764: INFO/MainProcess] mingle: searching for neighbors
[2019-07-07 18:43:28,784: INFO/MainProcess] mingle: all alone
[2019-07-07 18:43:28,818: INFO/MainProcess] celery@DESKTOP-9T9MK4N ready.
[2019-07-07 18:43:28,818: INFO/MainProcess] pidbox: Connected to redis://127.0.0.1:6379/0.
[2019-07-07 18:43:40,217: INFO/MainProcess] Received task: celery_tasks.tasks.send_register_active_email[c4156f7a-ea3d-457d-8b18-40cc93bb718c]
[2019-07-07 18:43:40,219: ERROR/MainProcess] Task celery_tasks.tasks.send_register_active_email[c4156f7a-ea3d-457d-8b18-40cc93bb718c] raised unexpected: ImproperlyConfi
gured('Requested setting EMAIL_FROM, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure(
) before accessing settings.')
Traceback (most recent call last):File "c:\users\circle\appdata\local\programs\python\python37-32\lib\site-packages\celery\app\trace.py", line 385, in trace_taskR = retval = fun(*args, **kwargs)File "c:\users\circle\appdata\local\programs\python\python37-32\lib\site-packages\celery\app\trace.py", line 650, in __protected_call__return self.run(*args, **kwargs)File "C:\Users\Circle\Desktop\circle\dailyfresh\celery_tasks\tasks.py", line 25, in send_register_active_emailsender = settings.EMAIL_FROMFile "c:\users\circle\appdata\local\programs\python\python37-32\lib\site-packages\django\conf\__init__.py", line 57, in __getattr__self._setup(name)File "c:\users\circle\appdata\local\programs\python\python37-32\lib\site-packages\django\conf\__init__.py", line 42, in _setup% (desc, ENVIRONMENT_VARIABLE))
django.core.exceptions.ImproperlyConfigured: Requested setting EMAIL_FROM, but settings are not configured. You must either define the environment variable DJANGO_SETTI
NGS_MODULE or call settings.configure() before accessing settings.

# 使用celery，首先导入进来
from celery import Celery
from django.conf import settings
from django.core.mail import send_mail# 下面就是解决办法：将Django中的配置信息先导入进来
import os
import django
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'dailyfresh.settings')
django.setup()# 创建一个Celery类的实例对象
app = Celery('celery_tasks.tasks', broker='redis://127.0.0.1:6379/0') # 定义任务函数
@app.task
def send_register_active_email(email, username, token):"""发送激活邮件"""subject = '欢迎观看本篇文章'message = '希望对你有帮助'sender = settings.EMAIL_FROMrecipient_list = [email]html_message = '<h1>The End</h1>'send_mail(subject, message, sender, recipient_list, html_message=html_message)