On Tue, Jun 3, 2008 at 9:52 AM, Malthe Borch <[EMAIL PROTECTED]> wrote:
> I think a valuable extension to the parameter parsing in buildout's
> configuration language would be to allow += and -= operators, which would
> append and remove items, respectively.
>
> Example:
>
> [instance]
> eggs += Products.PDBDebugMode
>
> Singular or plural arguments would be supported.
It would be very useful when used together with "extends". Example
(taken from [1]). You have a base.cfg:
"""
[instance]
eggs =
PILwoTK
lxml > 2.0
zope.testing == 3.5
"""
And you want to write a development.cfg, which adds a new egg for
debugging. Currently you have to do:
"""
[buildout]
extends = base.cfg
[instance]
eggs =
PILwoTK
lxml > 2.0
zope.testing == 3.5
Products.PDBDebugMode
"""
With the new operator you could simplify it to:
"""
[buildout]
extends = base.cfg
[instance]
eggs += Products.PDBDebugMode
"""
Tell me if I misunderstood the idea.
[1] https://svn.infrae.com/buildout/silva/trunk/profiles/
Regards,
--
Rafael Bruno Cavalhero de Oliveira <[EMAIL PROTECTED]>
Analista de Sistemas - Paradigma <http://www.paradigma.com.br>
Mestrando em Ciência da Informação - UFMG
http://rafaelb.objectis.net
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