celery在python爬虫中定时操作实例讲解

from celery import Celery
app = Celery('add_tasks', broker='redis:''//223.129.0.190:6379/2', backend='redis:''//223.129.0.190:6379/3')
app.conf.update(
  # 配置所在时区
  CELERY_TIMEZONE='Asia/Shanghai',
  CELERY_ENABLE_UTC=True,
  # 官网推荐消息序列化方式为json
  CELERY_ACCEPT_CONTENT=['json'],
  CELERY_TASK_SERIALIZER='json',
  CELERY_RESULT_SERIALIZER='json',
  # 配置定时任务
  CELERYBEAT_SCHEDULE={
    'my_task': {
      'task': 'tasks.add', # tasks.py模块下的add方法
      'schedule': 60,   # 每隔60运行一次
      'args': (23, 12),
    }
  }
)
@app.task
def add(x, y):
return x + y

celery beat -A tasks -l info

celery beat v3.1.25 (Cipater) is starting. 

__ - ... __ - _

Configuration ->
. broker -> redis://223.129.0.190:6379/2
. loader -> celery.loaders.app.AppLoader
. scheduler -> celery.beat.PersistentScheduler
. db -> celerybeat-schedule
. logfile -> [stderr]@%INFO
. maxinterval -> now (0s)
[2017-05-19 15:56:57,125: INFO/MainProcess] beat: Starting...