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Optimized ModelAdmin._changeform_view() by avoiding multiple get_fieldsets() calls. 

Co-authored-by: Hasan Ramezani <hasan.r67@gmail.com>
This commit is contained in:
Daniel Hahler 2020-01-17 16:00:04 +01:00 committed by Mariusz Felisiak
parent 26be53dd89
commit 68e018010b
1 changed files with 6 additions and 3 deletions
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9
django/contrib/admin/options.py
View File

@ -1552,7 +1552,10 @@ class ModelAdmin(BaseModelAdmin):
if obj is None: if obj is None:
return self._get_obj_does_not_exist_redirect(request, opts, object_id) return self._get_obj_does_not_exist_redirect(request, opts, object_id)
ModelForm = self.get_form(request, obj, change=not add) fieldsets = self.get_fieldsets(request, obj)
ModelForm = self.get_form(
request, obj, change=not add, fields=flatten_fieldsets(fieldsets)
)
if request.method == 'POST': if request.method == 'POST':
form = ModelForm(request.POST, request.FILES, instance=obj) form = ModelForm(request.POST, request.FILES, instance=obj)
form_validated = form.is_valid() form_validated = form.is_valid()
@ -1583,12 +1586,12 @@ class ModelAdmin(BaseModelAdmin):
formsets, inline_instances = self._create_formsets(request, obj, change=True) formsets, inline_instances = self._create_formsets(request, obj, change=True)
if not add and not self.has_change_permission(request, obj): if not add and not self.has_change_permission(request, obj):
readonly_fields = flatten_fieldsets(self.get_fieldsets(request, obj)) readonly_fields = flatten_fieldsets(fieldsets)
else: else:
readonly_fields = self.get_readonly_fields(request, obj) readonly_fields = self.get_readonly_fields(request, obj)
adminForm = helpers.AdminForm( adminForm = helpers.AdminForm(
form, form,
list(self.get_fieldsets(request, obj)), list(fieldsets),
# Clear prepopulated fields on a view-only form to avoid a crash. # Clear prepopulated fields on a view-only form to avoid a crash.
self.get_prepopulated_fields(request, obj) if add or self.has_change_permission(request, obj) else {}, self.get_prepopulated_fields(request, obj) if add or self.has_change_permission(request, obj) else {},
readonly_fields, readonly_fields,