return Book.objects.all().count()
@register_counter
-def count_books_nonempty():
- return Book.objects.exclude(html_file='').count()
+def count_books():
+ return Book.objects.filter(children=None).count()
@register_counter
-def count_books_empty():
- return Book.objects.filter(html_file='').count()
+def count_books_parent():
+ return Book.objects.exclude(children=None).count()
@register_counter
def count_books_root():