[Rock-dev] [Orocos-Dev] Proposal for an update to the autoproj configuration structure

[Sylvain Joyeux]

On 09/24/2012 11:19 AM, Leif Christensen wrote:
>>> File structure:
>>> Why do you stick to the YAML format? The error handling is just a pain
>>> in the ass especially after they changed from syck to psych. For me YAML
>>> is fine for everything which is generated by autoproj like the proposed
>>> options.yml but I would rather go for a nice DSL than plain YAML
>>> configuration files as in both cases I have to look up the keywords
>>> anyway but the first one gives you the ability to generate nice error
>>> messages. Furthermore you could put everything into the proposed
>>> config.rb. But I guess this is just a matter of taste.
>> The rationale was that new users only have to edit YAML files, which
>> some people find easier than Ruby code (especially since YAML is also
>> the config-file-format-of-choice for ROS tools). However, I find your
>> proposition interesting in general ... I'd like to have some more
>> feedback from "new users" (we need to ping Leif :P)
>>
> I'm not very fond of yaml. If possible, I would go for simple Key/Value
> pairs. But I guess that some sort of hierarchy/grouping ist needed?
Yes, some form of grouping is needed.
>
> Concerning proposal 1, I like the reduced / flattened layout (but that
> you already knew ;-).
> If I understand it correctly, we won't have package-specific config
> layouts, at least not in the same file structures? I liked the idea of
> basically working in your 'own' stack exclusively and have one basic
> rock layout for all different projects you are working on. I often see
> people having multiple rock installations for every project they are
> working on with all the basic stuff included again, perhaps because
> there are too many interdependencies between basic config layout and
> their 'stack'?
That's also in the queue of requested features: the ability to "reuse" 
autoproj installations, i.e. refer to one installation from another one.

-- 
Sylvain Joyeux (Dr.Ing.)
Senior Researcher

Space & Security Robotics
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