1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
from django.template import loader, RequestContext
from django.http import Http404, HttpResponse
from django.core.xheaders import populate_xheaders
from django.core.paginator import Paginator, InvalidPage
from django.core.exceptions import ObjectDoesNotExist
def object_list(request, queryset, paginate_by=None, page=None,
allow_empty=True, template_name=None, template_loader=loader,
extra_context=None, context_processors=None, template_object_name='object',
mimetype=None):
"""
Generic list of objects.
Templates: ``<app_label>/<model_name>_list.html``
Context:
object_list
list of objects
is_paginated
are the results paginated?
results_per_page
number of objects per page (if paginated)
has_next
is there a next page?
has_previous
is there a prev page?
page
the current page
next
the next page
previous
the previous page
pages
number of pages, total
hits
number of objects, total
last_on_page
the result number of the last of object in the
object_list (1-indexed)
first_on_page
the result number of the first object in the
object_list (1-indexed)
page_range:
A list of the page numbers (1-indexed).
"""
if extra_context is None: extra_context = {}
queryset = queryset._clone()
if paginate_by:
paginator = Paginator(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.num_pages
else:
# Page is not 'last', nor can it be converted to an int.
raise Http404
try:
page_obj = paginator.page(page_number)
except InvalidPage:
raise Http404
c = RequestContext(request, {
'%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(),
'first_on_page': page_obj.start_index(),
'last_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,
'paginator': None,
'page_obj': None,
'is_paginated': False,
}, context_processors)
if not allow_empty and len(queryset) == 0:
raise Http404
for key, value in extra_context.items():
if callable(value):
c[key] = value()
else:
c[key] = value
if not template_name:
model = queryset.model
template_name = "%s/%s_list.html" % (model._meta.app_label, model._meta.object_name.lower())
t = template_loader.get_template(template_name)
return HttpResponse(t.render(c), mimetype=mimetype)
def object_detail(request, queryset, object_id=None, slug=None,
slug_field='slug', template_name=None, template_name_field=None,
template_loader=loader, extra_context=None,
context_processors=None, template_object_name='object',
mimetype=None):
"""
Generic detail of an object.
Templates: ``<app_label>/<model_name>_detail.html``
Context:
object
the object
"""
if extra_context is None: extra_context = {}
model = queryset.model
if object_id:
queryset = queryset.filter(pk=object_id)
elif slug and slug_field:
queryset = queryset.filter(**{slug_field: slug})
else:
raise AttributeError, "Generic detail view must be called with either an object_id or a slug/slug_field."
try:
obj = queryset.get()
except ObjectDoesNotExist:
raise Http404, "No %s found matching the query" % (model._meta.verbose_name)
if not template_name:
template_name = "%s/%s_detail.html" % (model._meta.app_label, model._meta.object_name.lower())
if template_name_field:
template_name_list = [getattr(obj, template_name_field), template_name]
t = template_loader.select_template(template_name_list)
else:
t = template_loader.get_template(template_name)
c = RequestContext(request, {
template_object_name: obj,
}, context_processors)
for key, value in extra_context.items():
if callable(value):
c[key] = value()
else:
c[key] = value
response = HttpResponse(t.render(c), mimetype=mimetype)
populate_xheaders(request, response, model, getattr(obj, obj._meta.pk.name))
return response
|
