paginator.py 841 B

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  1. from django.core.paginator import Paginator
  2. class PostsPaginator(Paginator):
  3. """paginator that makes last item on page repeat as first item on next page."""
  4. def __init__(self, object_list, per_page, orphans=0, allow_empty_first_page=True):
  5. per_page = int(per_page) - 1
  6. if orphans:
  7. orphans += 1
  8. super().__init__(object_list, per_page, orphans, allow_empty_first_page)
  9. def page(self, number):
  10. """returns a Page object for the given 1-based page number."""
  11. number = self.validate_number(number)
  12. bottom = (number - 1) * self.per_page
  13. top = bottom + self.per_page
  14. if top + self.orphans >= self.count:
  15. top = self.count
  16. if top < self.count:
  17. top += 1
  18. return self._get_page(self.object_list[bottom:top], number, self)