Paginator for numerous records in Django-admin.

SimplePaginator

from django.core.paginator import Paginator

class SimpleCountPaginator(Paginator):
    def _get_count(self):
        try:
            first_id = self.object_list.first().id
            last_id = self.object_list.last().id
            if (first_id is None) or (last_id is None):
                return 0
            max_id = max(last_id, first_id)
            min_id = min(first_id, last_id)
            result = max_id - min_id + 1
            return result
        except Exception as e:
            print(e)
            return 0

    count = property(_get_count)

from django.contrib import admin

class SomeModelAdmin(admin.ModelAdmin):
paginator = SimpleCountPaginator