django+xadmin+djcelery 定时 django+xadmin+djcelery实现后台管理定时任务
落叶虽美只活一世 人气:0继上一篇中间表的数据是动态的,图表展示的数据才比较准确。这里用到一个新的模块Djcelery,安装配置步骤如下:
1.安装
redis==2.10.6
celery==3.1.23
django-celery==3.1.17
flower==0.9.2
supervisor==3.3.4
flower用于监控定时任务,supervisor管理进程,可选
2.配置
settings.py中添加以下几行:
#最顶头加上 from __future__ import absolute_import # celery settings import djcelery djcelery.setup_loader() BROKER_URL = 'redis://localhost:6379' # BROKER_URL = 'redis://:密码@主机地址:端口号/数据库号' CELERYBEAT_SCHEDULER = 'djcelery.schedulers.DatabaseScheduler' # 定时任务 CELERY_RESULT_BACKEND = 'djcelery.backends.database:DatabaseBackend' CELERY_RESULT_BACKEND = 'redis://localhost:6379' CELERY_ACCEPT_CONTENT = ['application/json'] CELERY_TASK_SERIALIZER = 'json' CELERY_RESULT_SERIALIZER = 'json' CELERYD_MAX_TASKS_PER_CHILD = 40 CELERY_TIMEZONE = 'Asia/Shanghai' INSTALLED_APPS = [ 'djcelery',# 添加djcelery ]
3.注册定时任务的几个表
from __future__ import absolute_import, unicode_literals from djcelery.models import ( TaskState, WorkerState, PeriodicTask, IntervalSchedule, CrontabSchedule, ) from xadmin.sites import site site.register(IntervalSchedule) # 存储循环任务设置的时间 site.register(CrontabSchedule) # 存储定时任务设置的时间 site.register(PeriodicTask) # 存储任务 site.register(TaskState) # 存储任务执行状态 site.register(WorkerState) # 存储执行任务的worker
4.主应用下添加celery.py
__init__.py修改如下:
# __init__.py from __future__ import absolute_import from .celery import app as celery_app # celery.py from __future__ import absolute_import import os from celery import Celery, platforms from django.conf import settings # set the default Django settings module for the 'celery' program. os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'hermes.settings') # hermes主应用名 app = Celery('hermes') platforms.C_FORCE_ROOT = True 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))
5.添加任务 应用下添加tasks.py
from __future__ import absolute_import from celery import task import time from .channels import Cache_data_to_redis # 更新指定日期数据到sms_organizationcount @task def readAndWrite(begin,end): begin = str(begin)[:4] + '-' + str(begin)[4:6] + '-' + str(begin)[6:8] end = str(end)[:4] + '-' + str(end)[4:6] + '-' + str(end)[6:8] i = 0 begin_time = time.time() read = Cache_data_to_redis().connection Rcursor = read.cursor() query = "SELECT id from sms_organizationcount WHERE alia_date_time between '" query += begin query += "' and '" query += end query += "'" readSql = "SELECT alia_month_time, alia_date_time, count(*) as total_nums, count(t.`status`=2 or null) as error_nums, name FROM \ (select *, DATE_FORMAT(req_time,'%Y-%m') as alia_month_time, DATE_FORMAT(req_time,'%Y-%m-%d') as alia_date_time, \ LEFT(body,LOCATE('】',body)) as name from sms_smslog where LOCATE('】',body) >0 \ and LEFT(body,1)='【' and DATE_FORMAT(req_time,'%Y-%m-%d') between '" readSql += begin readSql += "' and '" readSql += end readSql += "')" readSql += " as t GROUP BY alia_date_time , name;" Rcursor.execute(readSql) readResult = Rcursor.fetchall() Rcursor.execute(query) query_result = Rcursor.fetchall() deleteSql = "delete from sms_organizationcount where alia_date_time between '%s' and '%s'" % (begin,end) if query_result: delete_record = Cache_data_to_redis().connection Dcursor = delete_record.cursor() Dcursor.execute(deleteSql) delete_record.commit() delete_record.close() for value in readResult: write = Cache_data_to_redis().connection Wcursor = write.cursor() writeSql = "INSERT into sms_organizationcount (alia_month_time, alia_date_time, total_nums, error_nums, `name`) " \ " VALUES ('%s', '%s', '%s', '%s', '%s' )" %\ (value['alia_month_time'], value['alia_date_time'], value['total_nums'], value['error_nums'], value['name']) try: Wcursor.execute(writeSql) i += 1 write.commit() except: write.rollback() write.close() read.close() end_time = time.time() pass_time = end_time - begin_time return i, pass_time
6.最终效果如下图:
7.终端启动celery命令:
# 查看注册的task celery -A hermes inspect registered # 启动 python manage.py celery -A django_celery_demo worker -B # django_celery_demo为celery和setting所在文件夹名 #celery_beat起不来 # 动态的输出启动进程时的输出 supervisorctl tail programname stdout # flower监控celery python manage.py celery flower ip:5555
加载全部内容