def _getobj(self, request, object_id):
opts = self.model._meta
app_label = opts.app_label
try:
obj = self.queryset(request).get(pk=unquote(object_id))
except self.model.DoesNotExist:
# Don't raise Http404 just yet, because we haven't checked
# permissions yet. We don't want an unauthenticated user to be able
# to determine whether a given object exists.
obj = None
if obj is None:
raise Http404(_('%(name)s object with primary key %(key)r does not exist.') % {'name': force_unicode(opts.verbose_name), 'key': escape(object_id)})
return obj
def change_view(self, request, object_id, extra_context=None):
"The 'change' admin view for this model."
model = self.model
opts = model._meta
obj = self.get_object(request, unquote(object_id))
if not self.has_change_permission(request, obj):
raise PermissionDenied
if obj is None:
raise Http404(_('%(name)s object with primary key %(key)r does not exist.') % {'name': force_unicode(opts.verbose_name), 'key': escape(object_id)})
if request.method == 'POST' and "_saveasnew" in request.POST:
return self.add_view(request, form_url='../add/')
model_form = self.get_form(request, obj)
formsets = []
if request.method == 'POST':
form = model_form(request.POST, request.FILES, instance=obj)
if form.is_valid():
form_validated = True
new_object = self.save_form(request, form, change=True)
else:
form_validated = False
new_object = obj
prefixes = {}
for form_set in self.get_formsets(request, new_object):
if getattr(form_set, 'parent_fk_name', None) in self.no_inlines:
continue
prefix = form_set.get_default_prefix()
prefixes[prefix] = prefixes.get(prefix, 0) + 1
if prefixes[prefix] != 1:
prefix = "%s-%s" % (prefix, prefixes[prefix])
formset = form_set(request.POST, request.FILES,
instance=new_object, prefix=prefix)
formsets.append(formset)
if all_valid(formsets) and form_validated:
self.save_model(request, new_object, form, change=True)
form.save_m2m()
for formset in formsets:
self.save_formset(request, form, formset, change=True)
change_message = self.construct_change_message(request, form, formsets)
self.log_change(request, new_object, change_message)
return self.response_change(request, new_object)
else:
form = model_form(instance=obj)
prefixes = {}
for form_set in self.get_formsets(request, obj):
if getattr(form_set, 'parent_fk_name', None) in self.no_inlines:
continue
prefix = form_set.get_default_prefix()
prefixes[prefix] = prefixes.get(prefix, 0) + 1
if prefixes[prefix] != 1:
prefix = "%s-%s" % (prefix, prefixes[prefix])
formset = form_set(instance=obj, prefix=prefix)
formsets.append(formset)
media = self.media or []
inline_admin_formsets = []
for inline, formset in zip(self.inline_instances, formsets):
fieldsets = list(inline.get_fieldsets(request, obj))
readonly = list(inline.get_readonly_fields(request, obj))
inline_admin_formset = helpers.InlineAdminFormSet(inline, formset,
fieldsets, readonly, model_admin=self)
inline_admin_formsets.append(inline_admin_formset)
media = media + inline_admin_formset.media
admin_form = OrderedAdminForm(form, self.get_fieldsets_with_inlines(request, obj),
self.prepopulated_fields, self.get_readonly_fields(request, obj),
model_admin=self, inlines=inline_admin_formsets)
media = media + admin_form.media
context = {
'title': _('Change %s') % force_unicode(opts.verbose_name),
'adminform': admin_form,
'object_id': object_id,
'original': obj,
'is_popup': "_popup" in request.REQUEST,
'media': mark_safe(media),
'inline_admin_formsets': inline_admin_formsets,
'errors': helpers.AdminErrorList(form, formsets),
'root_path': self.admin_site.root_path,
'app_label': opts.app_label,
}
context.update(extra_context or {})
return self.render_change_form(request, context, change=True, obj=obj)