Hi Tim, thanks for the reply :) It's not that I want to store the model instance on self.instance, it's just the solution I was able to come up with, given the problem "I need to get to the model instance for this HTTP request". If there's a better way to do it, I'm all ears!
T On Thursday, September 15, 2016 at 5:34:50 PM UTC-7, Tim Graham wrote: > > I think these ideas have been floated before. If you look through the Trac > tickets you might find something related. However, your subclass where you > store "self.instance" on ModelAdmin is a no no due to thread safety. See > http://stackoverflow.com/questions/3388111/modeladmin-thread-safety-caching-issues > > for an explanation. > > On Thursday, September 15, 2016 at 6:53:15 PM UTC-4, [email protected] > wrote: >> >> I have a ModelAdmin subclass (code at: <https://dpaste.de/0LAt>) and I >> need to do a couple of things, but the functionality seems to be missing: >> >> 1. I need to access the model instance to perform some initialization, >> but there's no instance member set. There are a few questions on Stack >> Overflow on this topic, so I know I'm not alone. >> >> 2. I need to initialize my form with a parameter derived from the model >> instance. If this were a View, I could just override get_form_kwargs and be >> done with it, but ModelAdmin doesn't have it. >> >> Is there a reason why those two features are missing from ModelAdmin? >> Maybe they could be added (and I could open a PR)? Or is there a better way >> to do what I need to do? >> >> -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/39bbf43e-3a6c-47a4-ab4d-46e5c49cf32b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
