How can I access the parent instance from the inline model admin?
My goal is to allow to add a child object only when the status of the
parent is equal to 1 so I'm trying to override the `has_add_permission`
function based on the status of the parent instance but I cannot get the
parent instance.
Is there another way to do this?
class ChildInline(admin.TabularInline):
model = Child
form = ChildForm
fields = (
...
)
extra = 0
def has_add_permission(self, request):
# Return True only if the parent has status == 1
# How to get to the parent instance?
#return True
class ParentAdmin(admin.ModelAdmin):
inlines = [ChildInline,]
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