[Python-Dev] PEP 376 proposed changes for basic plugins support

[Nick Coghlan]

On Mon, Aug 2, 2010 at 6:37 AM, Tarek Ziadé <ziade.tarek at gmail.com> wrote:
> Hello,
>
> Here's a proposal to extend PEP 376 to support a basic plugins feature
> -- you should read PEP 376 before reading this mail
>
> It's basically Phillip's entry points, but with an activation flag,
> and a per-user config file.
>
> = adding a PLUGINS file =
>
> A new file called 'PLUGINS' is added to the dist-info directory at
> install time, and contains a list of plugins for the installed
> distribution.
>
> The file is a CSV file like the RECORD file, containing one plugin per
> line. (see the RECORD file for details on the syntax)
>
> A plugin is defined by :
>
> - an application name : a string containing a name of a group of
> plugins. It can be the name of the application that supports plugins,
>  or any string. The recommended value is the distutils name of the
> project, as it appears at PyPI.
>  max length: 64, chars: [a-z0-9]
>
> - a plugin type name: a string containing a name of a type of plugins.
> It can be combined with the application name to create one class of
> plugins
>  for a given application. 64 chars [a-z0-9] -- default value 'plugin'
>
> - a name: a string containing a name for the plugin. Combined with the
> application name and plugin type, it defines this plugin. 64 chars
> [a-z0-9]
>
> - a description: a string describing the plugin. 256 chars.
>
> - a state: 1 or 0. 1 means the plugin is activated, 0 means it's not activated
>
> - a code link: a link to the plugin object (whether its a module,
> class, object, etc). This link is the complete import path. For
> example, a plugin class called
>  "Foo" located in the "bar" module, located in the "baz" package, is
> noted: "baz.bar.Foo"  (the project that uses plugins is responsible
> for iteratting, picking and loading plugins)

Is dealing with name conflicts left up to the application?

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia