terse admin.py

admin.py

from django.contrib import admin
from .models import SomeModel, OtherModelWithFKToSomeModel
def register(model):
    def decorator(klass):
        admin.site.register(model, klass)
        return klass
    return decorator

def inline(model, klass=admin.TabularInline, **options):
    return type(
        "%sInlineAdmin" % model.__name__,
        (klass,),
        dict(model=model, **options)
    )

@register(SomeModel)
class SomeModelAdmin(admin.ModelAdmin):
    inlines = (
        inline(OtherModelWithFKToSomeModel, extra=0),
    )