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Celery

Celery is an asynchronous task queue/job queue based on distributed message passing.

http://docs.celeryproject.org/en/latest/getting-started/first-steps-with-celery.html

Slackware 14 installation

easy_install celery

Check installation:

   1 python
   2 Python 2.7.3 (default, Jul  3 2012, 19:58:39) 
   3 [GCC 4.7.1] on linux2
   4 Type "help", "copyright", "credits" or "license" for more information.
   5 >>> import celery
   6 >>> celery.__version__
   7 '3.1.7'
   8 >>>

Test app with Redis

Run redis:

   1 $redis-server & 
   2 $redis-cli     
   3 redis 127.0.0.1:6379> quit

App:

   1 from celery import Celery
   2 
   3 app = Celery('tasks', broker='redis://localhost')
   4 app.conf.update(CELERY_RESULT_BACKEND="redis://")
   5 
   6 @app.task
   7 def add(x, y):
   8     return x + y

   1 $celery -A celeryTest worker --loglevel=info

Run task

   1 $ python
   2 Python 2.7.3 (default, Jul  3 2012, 19:58:39) 
   3 [GCC 4.7.1] on linux2
   4 Type "help", "copyright", "credits" or "license" for more information.
   5 >>> from celeryTest import add
   6 >>> xx=add.delay(3,3)
   7 >>> xx.ready()
   8 True
   9 >>> print(xx.result)
  10 6