#4893: remove superfluous field options
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Reporter: David S. <[EMAIL PROTECTED]> | Owner: adrian
Status: new | Component: Database
wrapper
Version: SVN | Keywords: newforms-admin
admin fields options validation
Stage: Unreviewed | Has_patch: 0
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Field options formerly specific to the admin interface (e.g. {{{blank}}},
{{{choices}}}) remain in the newforms-admin branch. The rationale is that
they are or could be more generically useful for data validation. This
confuses real database constraints like {{{null}}} with these programmatic
'constraints'. Their applicability is ambiguous.
Looking at the 2 examples, both would be better left to whatever app is
working with the data. There is nothing inherent in being able to be
{{{blank}}} for example, even in the admin. That is, with the new
admin.site functionality, it is perfectly reasonable to imagine that you
create 2 admin views for the same model, one of which needs a field to be
'blankable' because it fills the value, while a second view permits the
value to be manually entered.
Likewise, 2 admin views might want different choices for a particular
field. Specifying {{{choices}}} in the model is either too restrictive or
just confusing. Of course, it might be that what you really need is
choices modeled in the DB as foreign key lookups, but that further
obviates the need for {{{choices}}} at the model level.
Removing these kinds of options will simplify and better focus the model
interface.
related links:
* http://groups.google.com/group/django-
users/browse_thread/thread/ccec4062d37bcae7/7fc869b45ac8c983#7fc869b45ac8c983
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Ticket URL: <http://code.djangoproject.com/ticket/4893>
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