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from django.core.paginator import AsyncPage, AsyncPaginator, Page, Paginator
class ValidAdjacentNumsPage(Page):
def next_page_number(self):
if not self.has_next():
return None
return super().next_page_number()
def previous_page_number(self):
if not self.has_previous():
return None
return super().previous_page_number()
class ValidAdjacentNumsPaginator(Paginator):
def _get_page(self, *args, **kwargs):
return ValidAdjacentNumsPage(*args, **kwargs)
class AsyncValidAdjacentNumsPage(AsyncPage):
async def anext_page_number(self):
if not await self.ahas_next():
return None
return await super().anext_page_number()
async def aprevious_page_number(self):
if not await self.ahas_previous():
return None
return await super().aprevious_page_number()
class AsyncValidAdjacentNumsPaginator(AsyncPaginator):
def _get_page(self, *args, **kwargs):
return AsyncValidAdjacentNumsPage(*args, **kwargs)
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