Hi Sam, what does the admin.py that handle Card look like? Instead of having it's own admin.py, why not just set up Card as an inline on Page?
On Wed, Sep 30, 2015 at 11:34 PM, Sam Kingston <[email protected]> wrote: > Hi all, > > Having an issue that I can't quite figure out. I've been staring at it for > so long it's very possible I've overlooked something simple so please > excuse me if so! > > I have two models that have a relationship to `Page` - one is a typical > `ForeignKey` (`Card`) and the other is a `OneToOneField` to add extra > fields to the `Page` model. I am not using `EXTRA_MODEL_FIELDS`. > > Conceptually it looks like this (http://dpaste.com/1P7MG0Z.txt): > > OneToOneField > +------+ +-----------------+ > | Page |---<---| PageExtraFields | > +------+ +-----------------+ > | > ^ ForeignKey > | > +------+ > | Card | > +------+ > > > I then monkey-patch in the `PageExtraFields` model as an inline like so: > > > from mezzanine.pages.admin import PageAdmin > PageAdmin.inlines += (PageExtraFieldsInline,) > > > This works fine for Page/Category objects (the inline appears and works as > expected on the admin and the relation is accessible on each object). > > > But when trying to view a `Card` in the admin, I get the following exception: > > > Exception Type: ValueError at /admin/cards/card/13/ > Exception Value: 'page_extra_fields.PageExtraFields' has no ForeignKey to > 'cards.Card'. > > > Full exception: http://dpaste.com/16ZY3N7.txt > > > Here's the weird thing: if I remove the inline, the problem goes away. So it > can't be an issue with the model relationship, but rather how the admin is > working. > > > Does anyone have an idea? Am I doing something wrong? > > > I have tried the `unregister`/`register` route and subclassing PageAdmin > instead of monkey-patching, and this has the exact same behaviour as above. > > > Thanks > > > > -- > You received this message because you are subscribed to the Google Groups > "Mezzanine Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Mezzanine Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
