Using an example, what is the purpose of Celery in Python?

In this tutorial you'll learn the absolute basics of using Celery. Learn about;. Choosing and installing a message transport (broker). Installing Celery and creating your first task. Starting the worker and calling tasks. Keeping track of tasks as they transition through different states, and inspecting return values. read more

For example, if you build a web application that send a lot of email at one time, you need to wait until the request until the main server send all the emails. If you use celery, you can send that job into another machine and run it at the background. Now, you do not need to wait for every request. read more

Celery is software written in Python that implements queues of tasks. Each task is a unit of work to be performed. The tasks can be distributed across threads or machines. Worker processes monitor the queues for tasks to perform. Celery communicates using messages. See Introduction to Celery. read more