[Grok-dev] Re: Defining 3rd-party eggs within a grok buildout?

Philipp von Weitershausen philipp at weitershausen.de
Thu Jun 26 11:00:20 EDT 2008

Martijn Faassen wrote:
> Sebastian Ware wrote:
>> Would I add
>>   [buildout]
>>   extends= http://grok.zope.org/releaseinfo/grok-0.12.1.cfg
>> to my xxx.cfg file or would I manually copy the items in 
>> grok-0.12.1.cfg to my xxx.cfg?
>> I am guessing I can't have two extends directives?
> I think (but haven't tested) that you can have your own versions.cfg 
> file which has an extends that extends the Grok versions URL.
>  buildout.cfg
>      |
>  myversions.cfg
>      |
> grok-0.12.1.cfg
> Note that those URLs don't have to be on the web; you can simply extend 
> a file in your buildout directory. In fact grokproject is going to 
> install the downloaded grok file for you in your buildout directory once 
> the new version is released - this to enable grokproject to work better 
> in offline situations.
> Note that the simplest setup for your own application doesn't involve 
> its own myversions.cfg, but simply this:
> buildout.cfg (with extra versions specified for app-specific dependencies)
>     |
> grok-0.12.1.cfg

Right. This is what I'd recommend:

extends = .../grok-0.12.1.cfg
versions = versions

# everything you specify here extends or overrides version
# definitions from grok-0.12.1.cfg
foobar = 2.3

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