Re: [Fab-user] Fabric setuptools plugin prototype

[Christian Vest Hansen]

Hi Rob,

You use git-format-patch for creating patches with git. Doing this
should make it easy to apply the patch with git-am.

I've just got your mail and haven't look at the code so I got no
comments on that.


On 3/9/08, Rob Cowie <address@hidden> wrote:
> Hi Christian,
>
>  I haven't figured out how to do diffs with git, so until then...
>
>  I've posted a diff to snipplr (http://snipplr.com/view/5340/)
>
>  The changes thus far are:
>
>   * Import pkg_resources
>   * Addition of an entrypoint mapping (maps application entrypoints
>  (strings) to Fabric registries)
>   * Addition of a load_plugins() function.
>   * load_plugins call in main()
>
>  load_plugins() is responsible for using pkg_resources for searching
>  sys.path, os.getcwd(), and any additional paths passed for
>  "distributions".
>  A "distribution" is a python module/package/egg identifiable by
>  setuptools. From this list of distributions, we can search for
>  packages that expose callables registered to our entry points (in this
>  case, fabric.operations, fabric.commands, and fabric.strategies).
>
>  I'm not convinced that my choice of plugin entry points is a good one.
>  It might be better to provide one entry point (say fabric.plugins) and
>  have the application code discover what 'type' of callable is made
>  available.
>
>  Oh... the diff also includes an additional prompt() operation, simply
>  because I forgot to remove it! It also includes some extraneous print
>  statements, also because I forgot about them.
>
>  All that remains is to create a plugin, register entrypoints in
>  setup.py, package it as an egg and either install it in the PYTHONPATH
>  or drop it into the same directory as the fabfile.
>
>  I've attached a stub Subversion plugin. It exposes two functions that
>  will be registered as fabric operations; svn_checkout, svn_export.
>  Neither does anything except print to stdout.
>
>  Your idea of passing the current fabric 'context' to every plugin
>  callable is a good one. I haven't implemented this.
>
>  Attached is an egg which - with any luck - will make these two
>  operations available if you install it.
>
>  Rob C
>
>
>
>
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>
>


-- 
Venlig hilsen / Kind regards,
Christian Vest Hansen.