Generic editing views
See also
The messages framework contains , which facilitates presenting messages about successful form submissions.
Note
Some of the examples on this page assume that an Author
model has been defined as follows in myapp/models.py
:
class django.views.generic.edit.``FormView
A view that displays a form. On error, redisplays the form with validation errors; on success, redirects to a new URL.
Ancestors (MRO)
This view inherits methods and attributes from the following views:
django.views.generic.base.TemplateResponseMixin
django.views.generic.edit.FormMixin
django.views.generic.base.View
Example myapp/forms.py:
from django import forms
class ContactForm(forms.Form):
name = forms.CharField()
message = forms.CharField(widget=forms.Textarea)
def send_email(self):
# send email using the self.cleaned_data dictionary
pass
Example myapp/views.py:
from myapp.forms import ContactForm
from django.views.generic.edit import FormView
class ContactFormView(FormView):
template_name = 'contact.html'
form_class = ContactForm
success_url = '/thanks/'
def form_valid(self, form):
# This method is called when valid form data has been POSTed.
form.send_email()
return super().form_valid(form)
Example myapp/contact.html:
class django.views.generic.edit.``BaseFormView
A base view for displaying a form. It is not intended to be used directly, but rather as a parent class of the or other views displaying a form.
Ancestors (MRO)
This view inherits methods and attributes from the following views:
class django.views.generic.edit.``CreateView
A view that displays a form for creating an object, redisplaying the form with validation errors (if there are any) and saving the object.
Ancestors (MRO)
This view inherits methods and attributes from the following views:
django.views.generic.detail.SingleObjectTemplateResponseMixin
django.views.generic.edit.BaseCreateView
django.views.generic.edit.FormMixin
django.views.generic.edit.ProcessFormView
Attributes
template_name_suffix
The
CreateView
page displayed to aGET
request uses atemplate_name_suffix
of'_form'
. For example, changing this attribute to'_create_form'
for a view creating objects for the exampleAuthor
model would cause the defaulttemplate_name
to be'myapp/author_create_form.html'
.object
When using
CreateView
you have access toself.object
, which is the object being created. If the object hasn’t been created yet, the value will beNone
.
from django.views.generic.edit import CreateView
from myapp.models import Author
class AuthorCreateView(CreateView):
model = Author
fields = ['name']
Example myapp/author_form.html:
<form method="post">{% csrf_token %}
{{ form.as_p }}
<input type="submit" value="Save">
</form>
class django.views.generic.edit.``BaseCreateView
A base view for creating a new object instance. It is not intended to be used directly, but rather as a parent class of the django.views.generic.edit.CreateView
.
Ancestors (MRO)
This view inherits methods and attributes from the following views:
Methods
get
(request, \args, **kwargs*)Sets the current object instance (
self.object
) toNone
.post
(request, \args, **kwargs*)Sets the current object instance (
self.object
) toNone
.
class django.views.generic.edit.``UpdateView
A view that displays a form for editing an existing object, redisplaying the form with validation errors (if there are any) and saving changes to the object. This uses a form automatically generated from the object’s model class (unless a form class is manually specified).
Ancestors (MRO)
This view inherits methods and attributes from the following views:
django.views.generic.base.TemplateResponseMixin
django.views.generic.edit.ModelFormMixin
django.views.generic.edit.ProcessFormView
Attributes
template_name_suffix
The
UpdateView
page displayed to aGET
request uses atemplate_name_suffix
of'_form'
. For example, changing this attribute to'_update_form'
for a view updating objects for the exampleAuthor
model would cause the defaulttemplate_name
to be'myapp/author_update_form.html'
.-
When using
UpdateView
you have access toself.object
, which is the object being updated.
Example myapp/views.py:
Example myapp/author_update_form.html:
<form method="post">{% csrf_token %}
{{ form.as_p }}
<input type="submit" value="Update">
</form>
class django.views.generic.edit.``BaseUpdateView
A base view for updating an existing object instance. It is not intended to be used directly, but rather as a parent class of the django.views.generic.edit.UpdateView
.
Ancestors (MRO)
Methods
get
(request, \args, **kwargs*)Sets the current object instance (
self.object
).post
(request, \args, **kwargs*)Sets the current object instance (
self.object
).
class django.views.generic.edit.``DeleteView
A view that displays a confirmation page and deletes an existing object. The given object will only be deleted if the request method is POST
. If this view is fetched via GET
, it will display a confirmation page that should contain a form that POSTs to the same URL.
Ancestors (MRO)
This view inherits methods and attributes from the following views:
django.views.generic.base.TemplateResponseMixin
django.views.generic.edit.DeletionMixin
django.views.generic.base.ContextMixin
django.views.generic.detail.SingleObjectMixin
Attributes
form_class
New in Django 4.0.
Inherited from
BaseDeleteView
. The form class that will be used to confirm the request. By default , resulting in an empty form that is always valid.By providing your own
Form
subclass, you can add additional requirements, such as a confirmation checkbox, for example.template_name_suffix
The
DeleteView
page displayed to aGET
request uses atemplate_name_suffix
of'_confirm_delete'
. For example, changing this attribute to'_check_delete'
for a view deleting objects for the exampleAuthor
model would cause the defaulttemplate_name
to be'myapp/author_check_delete.html'
.
Example myapp/views.py:
from django.urls import reverse_lazy
from django.views.generic.edit import DeleteView
from myapp.models import Author
class AuthorDeleteView(DeleteView):
model = Author
success_url = reverse_lazy('author-list')
Example myapp/author_confirm_delete.html:
class django.views.generic.edit.``BaseDeleteView
A base view for deleting an object instance. It is not intended to be used directly, but rather as a parent class of the django.views.generic.edit.DeleteView
.
Ancestors (MRO)
This view inherits methods and attributes from the following views:
Changed in Django 4.0:
In older versions, does not inherit from FormMixin
.