[ckan-dev] extending the metadata schema

Fri Nov 4 22:09:29 UTC 2016

Thanks Ian -

This is quite helpful.

- Thomas

On 11/4/16 2:56 PM, Ian Ward wrote:
> If you're extending your dataset schema and validation just for API
> use then IDatasetForm is all you need. If you're planning to use your
> new fields in CKAN's dataset forms and HTML display then
> ckanext-scheming is likely to save you some time.
>
> IDatasetForm is lower level. It lets you define validation and
> customize form and dataset display templates, but you have to do each
> of those things separately. Scheming comes with a bunch of common form
> fields and validation rules and lets you extend them if they don't
> match your needs.
>
> Scheming doesn't come with the same calibre of documentation that CKAN
> has, though, so that tutorial you asked about doesn't exist yet. It's
> been suggested that we merge Scheming into core CKAN since a number of
> users seem to like it. Maybe better docs will come when someone
> contributes that change :-)
>
> Ian
>
> On Thu, Nov 3, 2016 at 8:44 PM, Thomas Heetderks - MSU
> <thomas.heetderks at montana.edu> wrote:
>> Hi -
>>
>> I have seen two ways of extending the CKAN metadata schema:
>>
>> ckanext-scheming
>>
>> or setting up your own extension with IDatasetForm
>>
>> can someone recommend the best way to do this (either of these
>> or another way)? Of course a tutorial resource would also be great!
>>
>> Thanks much!
>> - Thomas Heetderks
>>
>>
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