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- from math import floor, ceil
- from django.core.paginator import Paginator
- from django.utils.functional import cached_property
- class PostsPaginator(Paginator):
- """
- Paginator that returns that makes last item on page
- repeat as first item on next page.
- """
- def __init__(self, object_list, per_page, orphans=0,
- allow_empty_first_page=True):
- per_page = int(per_page) - 1
- if orphans:
- orphans += 1
- super(PostsPaginator, self).__init__(
- object_list, per_page, orphans, allow_empty_first_page)
- def page(self, number):
- """
- Returns a Page object for the given 1-based page number.
- """
- number = self.validate_number(number)
- bottom = (number - 1) * self.per_page
- top = bottom + self.per_page + 1
- if top + self.orphans >= self.count:
- top = self.count
- return self._get_page(self.object_list[bottom:top], number, self)
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