def paging_handle(items, page=1, length=10):
"""
:param items: list
:param page: current page number
:param length: number per page
:return: paginator.page(paginator.num_pages)
"""
paginator = Paginator(items, length) # Show 10 notifications per page
try:
page = int(page)
current_page = paginator.page(page)
last_page_num = paginator.page_range[-1] # last page
# get page number list eg. [1,-1,curent_page-4,...,curent_page,...curent_page+4,-1,last_page]
step = 4
begin = max(1, page - step)
end = min(last_page_num, page + step)
ran = range(begin, end + 1, 1)
if ran[0] > 2:
ran.insert(0, -1)
if ran[0] != 1:
ran.insert(0, 1)
if ran[-1] < last_page_num - 1:
ran.append(-1)
if ran[-1] != last_page_num:
ran.append(last_page_num)
paginator.page_range_custom = ran
except PageNotAnInteger:
# If page is not an integer, deliver first page.
current_page = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
# current_page = paginator.page(paginator.num_pages)
current_page = None
return current_page
def result(self):
paginator = Paginator(
self.all_items,
self.items_per_page) # Show 10 notifications per page
try:
paginator.page_range_custom = self.page_range_custom(
paginator.page_range[-1])
items = paginator.page(self.page_num)
except PageNotAnInteger:
# If page is not an integer, deliver first page.
items = paginator.page(1)
except EmptyPage:
# If page is out of range (e.g. 9999), deliver last page of results.
items = paginator.page(paginator.num_pages)
return items
