def get_paginator(self, queryset, limit):
paginator = Paginator(queryset, per_page=limit)
paginator.has_limit = bool(limit)
# Cache count for paginator to prevent redundant calls between requests
if settings.DATA_CACHE_ENABLED:
key = cache_key('paginator', kwargs={
'queryset': queryset
})
count = cache.get(key)
if count is None:
count = _count(queryset)
cache.set(key, count)
else:
count = _count(queryset)
paginator._count = count
if not limit:
# Prevent division by zero error in case count is zero
paginator.per_page = max(count, 1)
return paginator
def get_paginator(self, queryset, limit):
paginator = Paginator(queryset, per_page=limit)
paginator.has_limit = bool(limit)
# Perform count an update paginator to prevent redundant call
if not limit:
count = len(queryset)
paginator.per_page = count
paginator._count = count
return paginator
def get_paginator(self, queryset, limit):
paginator = Paginator(queryset, per_page=limit)
paginator.has_limit = bool(limit)
# Perform count an update paginator to prevent redundant call
if not limit:
count = len(queryset)
# Prevent division by zero error in case count is zero
paginator.per_page = max(count, 1)
paginator._count = count
return paginator
def bus_stations(request, page=None):
# Определение номеров страниц
prev_page_url = None
current_page = 1
if page:
current_page = page
if current_page > 1:
prev_page_url = current_page - 1
# Задаем пагинатор
list_station_paginator = Paginator(list_station, len(list_station))
list_station_paginator.per_page = 5
return render(request,
'index.html',
context={
'bus_stations':
list_station_paginator.get_page(current_page),
'current_page': current_page,
'prev_page_url': current_page - 1,
'next_page_url': current_page + 1,
})
def get_paginator(self, queryset, limit):
paginator = Paginator(queryset, per_page=limit)
paginator.has_limit = bool(limit)
# Cache count for paginator to prevent redundant calls between requests
if settings.DATA_CACHE_ENABLED:
key = cache_key('paginator', kwargs={'queryset': queryset})
count = cache.get(key)
if count is None:
count = _count(queryset)
cache.set(key, count)
else:
count = _count(queryset)
paginator._count = count
if not limit:
# Prevent division by zero error in case count is zero
paginator.per_page = max(count, 1)
return paginator
