def test_finite_paginator_2(self):
p = FinitePaginator(range(20), 20, offset=10, link_template='/bacon/page/%d')
p2 = p.page(2)
self.assertEqual(repr(p2), u'<Page 2>')
self.assertFalse(p2.has_next())
self.assertTrue(p2.has_previous())
self.assertEqual(p2.next_link(), None)
self.assertEqual(p2.previous_link(), '/bacon/page/1')
def test_finite_paginator_1(self):
p = FinitePaginator(range(20), 2, offset=10, link_template='/bacon/page/%d')
self.assertEqual(p.validate_number(2), 2)
self.assertEqual(p.orphans, 0)
p3 = p.page(3)
self.assertEqual(repr(p3), u'<Page 3>')
self.assertEqual(p3.start_index(), 10)
self.assertEqual(p3.end_index(), 6)
self.assertTrue(p3.has_next())
self.assertTrue(p3.has_previous())
self.assertEqual(p3.next_link(), '/bacon/page/4')
self.assertEqual(p3.previous_link(), '/bacon/page/2')
def render(self, context):
key = self.queryset_var.var
value = self.queryset_var.resolve(context)
if isinstance(self.paginate_by, int):
paginate_by = self.paginate_by
else:
paginate_by = self.paginate_by.resolve(context)
page_num = context['request'].page
if self.style in ('standard', 'backwards'):
paginator = Paginator(value, paginate_by, self.orphans)
if page_num is None and self.style == 'backwards':
page_num = paginator.num_pages
elif self.style == 'infinite':
paginator = InfinitePaginator(value, paginate_by, self.orphans)
elif self.style == 'finite':
paginator = FinitePaginator(value, paginate_by)
if page_num is None:
page_num = 1
try:
page_obj = paginator.page(page_num)
except InvalidPage:
if INVALID_PAGE_RAISES_404:
raise Http404(
'Invalid page requested. If DEBUG were set to ' +
'False, an HTTP 404 page would have been shown instead.')
context[key] = []
context['invalid_page'] = True
return u''
if self.context_var is not None:
context[self.context_var] = page_obj.object_list
else:
context[key] = page_obj.object_list
context['paginator'] = paginator
context['page_obj'] = page_obj
context['style'] = self.style
return u''
