meta data WAS Re: [PD] Can't get any results from PDB

[Hans-Christoph Steiner]

There has been quite a bit of discussion about meta data in the PDDP  
meetings, I'll try to summarize what we have agreed on:

http://puredata.org/dev/pddp

The plan is to make a standard subpatch for meta data [pd META].   
This hides the meta data and makes it easier to parse for it.  The  
terms don't have to be pre-defined, but we should standardize terms.   
Like "CATEGORY", "KEYWORDS", "DESCRIPTION", "AUTHOR", etc.

The name of the object should be taken from the help patch, not from  
the meta data.  Each object should have its own help patch.  For  
bigger concepts which are linked together, like "math objects", there  
would be an "about" page with the related help patches link to, and  
vice-versa.

The meta data format is only parsed from the [pd META] subpatch.  The  
meta type is the first part of the comment, its all caps, and its  
terminated by a colon.

KEYWORDS: addition sum
CATEGORY: math

This means that new meta data can be declared by just adding it to  
the [pd META] subpatch in the correct format.  Nothing else would be  
needed, i.e. there is no static list of meta types, but its  
dynamically generated from the help patches.  Standardization of meta  
types is important here, otherwise we have chaos.  But with CVS,  
that's not too hard to coordinate.

.hc


On Apr 28, 2006, at 11:37 AM, geiger wrote:

>
> Yes,
>
> Its trivial to write the script that extracts the information,
> the only real challenge is to define tags and change all the help
> files.
>
> tags could be
>
> Name: (the external name(s))
> Description: (what does it do)
> Author: (the authors name)
> Type: (external/abstraction)

>
> (more ?)
>
> All tags together with values go in one comment object. Information
> like last update time is taken from the CVS.
>
> We would need volunteers to fill out the help patches and comunicate
> with the authors of the externals. If someone of the authors is  
> against
> this approach the information can still be embedded in the help  
> file as a
> subpatch which is hidden behind a white canvasA :)
>
> Unresovled problems are how to make translations etc.
> I don't know, maybe the pddp team has a solution for that.
>
> Günter
>
>
> On Fri, 28 Apr 2006, Hans-Christoph Steiner wrote:
>>
>> It would be awesome to build PDB from meta data embedded in help
>> patches.  Any help would be appreciated.
>>
>> .hc
>>
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