- paginator = context['paginator']
- page_obj = context['page_obj']
- page_range = paginator.page_range
- first = set(page_range[:window])
- last = set(page_range[-window:])
- current_start = page_obj.number-1-window
- if current_start < 0:
- current_start = 0
- current_end = page_obj.number-1+window
- if current_end < 0:
- current_end = 0
- current = set(page_range[current_start:current_end])
- pages = []
- if len(first.intersection(current)) == 0:
- pages.extend(sorted(list(first)))
- pages.append(None)
- pages.extend(sorted(list(current)))
- else:
- pages.extend(sorted(list(first.union(current))))
- if len(current.intersection(last)) == 0:
- pages.append(None)
- pages.extend(sorted(list(last)))
- else:
- pages.extend(sorted(list(last.difference(current))))
- return {
- 'pages': pages,
- 'page_obj': page_obj,
- 'paginator': paginator,
- 'is_paginated': paginator.count > paginator.per_page,
- }
-
+ try:
+ paginator = context['paginator']
+ page_obj = context['page_obj']
+ page_range = paginator.page_range
+ first = set(page_range[:window])
+ last = set(page_range[-window:])
+ current_start = page_obj.number-1-window
+ if current_start < 0:
+ current_start = 0
+ current_end = page_obj.number-1+window
+ if current_end < 0:
+ current_end = 0
+ current = set(page_range[current_start:current_end])
+ pages = []
+ if len(first.intersection(current)) == 0:
+ first_list = sorted(list(first))
+ second_list = sorted(list(current))
+ pages.extend(first_list)
+ if first_list[-1] + 1 != second_list[0]:
+ pages.append(None)
+ pages.extend(second_list)
+ else:
+ pages.extend(sorted(list(first.union(current))))
+ if len(current.intersection(last)) == 0:
+ second_list = sorted(list(last))
+ if pages[-1] + 1 != second_list[0]:
+ pages.append(None)
+ pages.extend(second_list)
+ else:
+ pages.extend(sorted(list(last.difference(current))))
+ return {
+ 'pages': pages,
+ 'page_obj': page_obj,
+ 'paginator': paginator,
+ 'is_paginated': paginator.count > paginator.per_page,
+ }
+ except KeyError:
+ return u''