Python Paste: Difference between revisions

Revision as of 11:58, 9 June 2011

Revision as of 09:56, 12 June 2011

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'''Python Paste''', often simply called '''paste''', is a set of [[utility software|utilities]] for [[web development]] in [[Python (programming language)|Python]]. Paste has been described as "a framework for [[web framework]]s".<ref>http://reddit.com/r/programming/info/ehyf/comments/ceifh</ref>.

==Python Paste==

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There are, however, other uses: '''WSGI middleware''' is Python code that receives a WSGI request and then performs logic based upon this request, before passing the request on to a WSGI application or more WSGI middleware. WSGI middleware appears to an application as a server, and to the server as an application. This is analogous to the function of [[Pipeline (Unix)|pipes on Unix systems]]. Functionality provided by WSGI middleware may include authentication, logging, [[url redirection]], creation of [[sessions]], and compression.

Paste helps in developing such WSGI middleware systems. For example, it is used in the [[Pylons (web framework)|Pylons]] web application framework.

==Subcomponents of Paste ==

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As it has grown, it has unbundled several other utilities from the Paste core. These utilities are part of the Paste project, but form their own packages and have their own version numbers. They include:

* WebOb is a wrapper around the WSGI environment.

* Paste Deploy is a system for finding and configuring WSGI applications and servers.

* Paste Script, WebTest, ScriptType, INITools, Tempita, WaitForIt, WPHP, WSGIFilter, and WSGIProxy are other notable bundles.