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Code Issues 32 Releases Wiki Activity

Changed list_detail.object_list generic view to use the new Paginator class. This is backwards-compatible -- the previous 12 template context variables (has_next, has_previous, etc.) are still passed to the template, but new templates should only access the new template variables 'paginator' and 'page_obj'

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@7307 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty
2008-03-18 21:40:45 +00:00
parent d67208f5be
commit 08d4910d69
1 changed files with 27 additions and 23 deletions
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50
django/views/generic/list_detail.py
View File

@@ -1,7 +1,7 @@
from django.template import loader, RequestContext
from django.http import Http404, HttpResponse
from django.core.xheaders import populate_xheaders
from django.core.paginator import ObjectPaginator, InvalidPage
from django.core.paginator import QuerySetPaginator, InvalidPage
from django.core.exceptions import ObjectDoesNotExist
def object_list(request, queryset, paginate_by=None, page=None,
@@ -45,43 +45,47 @@ def object_list(request, queryset, paginate_by=None, page=None,
if extra_context is None: extra_context = {}
queryset = queryset._clone()
if paginate_by:
paginator = ObjectPaginator(queryset, paginate_by)
paginator = QuerySetPaginator(queryset, paginate_by, allow_empty_first_page=allow_empty)
if not page:
page = request.GET.get('page', 1)
try:
page_number = int(page)
except ValueError:
if page == 'last':
page_number = paginator.pages
page_number = paginator.num_pages
else:
# Page is not 'last', nor can it be converted to an int
# Page is not 'last', nor can it be converted to an int.
raise Http404
try:
object_list = paginator.get_page(page_number - 1)
page_obj = paginator.page(page_number)
except InvalidPage:
if page_number == 1 and allow_empty:
object_list = []
else:
raise Http404
raise Http404
c = RequestContext(request, {
'%s_list' % template_object_name: object_list,
'is_paginated': paginator.pages > 1,
'results_per_page': paginate_by,
'has_next': paginator.has_next_page(page_number - 1),
'has_previous': paginator.has_previous_page(page_number - 1),
'page': page_number,
'next': page_number + 1,
'previous': page_number - 1,
'last_on_page': paginator.last_on_page(page_number - 1),
'first_on_page': paginator.first_on_page(page_number - 1),
'pages': paginator.pages,
'hits' : paginator.hits,
'page_range' : paginator.page_range
'%s_list' % template_object_name: page_obj.object_list,
'paginator': paginator,
'page_obj': page_obj,
# Legacy template context stuff. New templates should use page_obj
# to access this instead.
'is_paginated': page_obj.has_other_pages(),
'results_per_page': paginator.per_page,
'has_next': page_obj.has_next(),
'has_previous': page_obj.has_previous(),
'page': page_obj.number,
'next': page_obj.next_page_number(),
'previous': page_obj.previous_page_number(),
'last_on_page': page_obj.start_index(),
'first_on_page': page_obj.end_index(),
'pages': paginator.num_pages,
'hits': paginator.count,
'page_range': paginator.page_range,
}, context_processors)
else:
c = RequestContext(request, {
'%s_list' % template_object_name: queryset,
'is_paginated': False
'paginator': None,
'page_obj': None,
'is_paginated': False,
}, context_processors)
if not allow_empty and len(queryset) == 0:
raise Http404