zc.async 1.5.0

Gary Poster gary at modernsongs.com
Mon Sep 22 04:56:39 CEST 2008


What is it?

The ``zc.async`` package provides **an easy-to-use Python tool that  
work persistently and reliably across multiple processes and machines.**

For instance...

- *Web apps*: maybe your web application lets users request the  
creation of a
   large PDF, or some other expensive task.

- *Postponed work*: maybe you have a job that needs to be done at a  
certain time,
   not right now.

- *Parallel processing*: maybe you have a long-running problem that  
can be made
   to complete faster by splitting it up into discrete parts, each  
performed in
   parallel, across multiple machines.

- *Serial processing*: maybe you want to decompose and serialize a job.

High-level features include the following:

- easy to use;

- flexible configuration, changeable dynamically in production;

- reliable;

- supports high availability;

- good debugging tools;

- well-tested; and

- friendly to testing.

While developed as part of the Zope project, zc.async can be used  

How does it work?

The system uses the Zope Object Database (ZODB), a transactional,  
Python object database, for communication and coordination among  

zc.async participants can each run in their own process, or share a  
(run in threads) with other code.

The Twisted framework supplies some code (failures and reactor  
primarily) and some concepts to the package.

Where can I read more?

Quickstarts and in-depth documentation are available in the package  
and in
the `new and exciting on-line documentation`_.

.. _`new and exciting on-line documentation`: http://packages.python.org/zc.async/1.5.0/

Thanks for your attention


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