Re: display readonly or not

On 11/08/2015 7:17 PM, Daniel Roseman wrote:
> On Tuesday, 11 August 2015 06:24:32 UTC+1, Mike Dewhirst wrote:
> Â
>
> There is a get_read_only() method in the admin.ModelAdmin class. It
> normally returns self.readonly_fields but you can give it a callable.
>
> https://docs.djangoproject.com/en/1.8/ref/contrib/admin/#django.contrib.admin.ModelAdmin.get_readonly_fields
> <https://docs.djangoproject.com/en/1.8/ref/contrib/admin/#django.contrib.admin.ModelAdmin.get_readonly_fields>
>
>
> As well as defining any readonly fields (for everyone) you want
> something like ...
>
> def ro_fields(self, request, obj=None):
> Â Â Â if obj is None or request.user.is_superuser:
> Â Â Â Â Â return self.readonly_fields
> Â Â Â else:
> Â Â Â Â Â return self.model._meta.get_all_field_names()
>
> ... then get_readonly_fields = ro_fields should make it happen like
> your
> pseudocode.
>
> Mike
>
>
> Why do you define a separate method, then alias to get_readonly_fields?
> Why not override the method directly?

Because in some places/models in the admin I don't want to override the
method; and in all (my) cases there needs to be readonly "modified" and
"modified_by" fields for superusers as well.

Further, I put my ro_fields method in a common module and import it
where required in a number of apps in that project.

Cheers

Mike

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