Fixed #18628 - Added methods/attributes to CBV docs. Thanks Daniel Greenfeld!

This commit is contained in:
Tim Graham 2012-09-08 13:46:08 -04:00
parent 76bd33539f
commit 20ee727ac9
4 changed files with 99 additions and 40 deletions

View File

@ -8,6 +8,11 @@ themselves or inherited from. They may not provide all the capabilities
required for projects, in which case there are Mixins and Generic class-based required for projects, in which case there are Mixins and Generic class-based
views. views.
Many of Django's built-in class-based views inherit from other class-based
views or various mixins. Because this inheritence chain is very important, the
ancestor classes are documented under the section title of **Ancestors (MRO)**.
MRO is an acronym for Method Resolution Order.
View View
---- ----
@ -20,6 +25,7 @@ View
1. :meth:`dispatch()` 1. :meth:`dispatch()`
2. :meth:`http_method_not_allowed()` 2. :meth:`http_method_not_allowed()`
3. :meth:`options()`
**Example views.py**:: **Example views.py**::
@ -41,6 +47,12 @@ View
url(r'^mine/$', MyView.as_view(), name='my-view'), url(r'^mine/$', MyView.as_view(), name='my-view'),
) )
**Attributes**
.. attribute:: http_method_names = ['get', 'post', 'put', 'delete', 'head', 'options', 'trace']
The default list of HTTP method names that this view will accept.
**Methods** **Methods**
.. classmethod:: as_view(**initkwargs) .. classmethod:: as_view(**initkwargs)
@ -68,14 +80,13 @@ View
If the view was called with a HTTP method it doesn't support, this If the view was called with a HTTP method it doesn't support, this
method is called instead. method is called instead.
The default implementation returns ``HttpResponseNotAllowed`` with list The default implementation returns ``HttpResponseNotAllowed`` with a
of allowed methods in plain text. list of allowed methods in plain text.
.. note:: .. method:: options(request, *args, **kwargs)
Documentation on class-based views is a work in progress. As yet, only the Handles responding to requests for the OPTIONS HTTP verb. Returns a
methods defined directly on the class are documented here, not methods list of the allowed HTTP method names for the view.
defined on superclasses.
TemplateView TemplateView
------------ ------------
@ -87,6 +98,8 @@ TemplateView
**Ancestors (MRO)** **Ancestors (MRO)**
This view inherits methods and attributes from the following views:
* :class:`django.views.generic.base.TemplateView` * :class:`django.views.generic.base.TemplateView`
* :class:`django.views.generic.base.TemplateResponseMixin` * :class:`django.views.generic.base.TemplateResponseMixin`
* :class:`django.views.generic.base.View` * :class:`django.views.generic.base.View`
@ -122,28 +135,11 @@ TemplateView
url(r'^$', HomePageView.as_view(), name='home'), url(r'^$', HomePageView.as_view(), name='home'),
) )
**Methods and Attributes**
.. attribute:: template_name
The full name of a template to use.
.. method:: get_context_data(**kwargs)
Return a context data dictionary consisting of the contents of
``kwargs`` stored in the context variable ``params``.
**Context** **Context**
* ``params``: The dictionary of keyword arguments captured from the URL * ``params``: The dictionary of keyword arguments captured from the URL
pattern that served the view. pattern that served the view.
.. note::
Documentation on class-based views is a work in progress. As yet, only the
methods defined directly on the class are documented here, not methods
defined on superclasses.
RedirectView RedirectView
------------ ------------
@ -162,6 +158,8 @@ RedirectView
**Ancestors (MRO)** **Ancestors (MRO)**
This view inherits methods and attributes from the following view:
* :class:`django.views.generic.base.View` * :class:`django.views.generic.base.View`
**Method Flowchart** **Method Flowchart**
@ -200,7 +198,7 @@ RedirectView
url(r'^go-to-django/$', RedirectView.as_view(url='http://djangoproject.com'), name='go-to-django'), url(r'^go-to-django/$', RedirectView.as_view(url='http://djangoproject.com'), name='go-to-django'),
) )
**Methods and Attributes** **Attributes**
.. attribute:: url .. attribute:: url
@ -221,6 +219,8 @@ RedirectView
then the query string is discarded. By default, ``query_string`` is then the query string is discarded. By default, ``query_string`` is
``False``. ``False``.
**Methods**
.. method:: get_redirect_url(**kwargs) .. method:: get_redirect_url(**kwargs)
Constructs the target URL for redirection. Constructs the target URL for redirection.
@ -231,9 +231,3 @@ RedirectView
:attr:`~RedirectView.query_string`. Subclasses may implement any :attr:`~RedirectView.query_string`. Subclasses may implement any
behavior they wish, as long as the method returns a redirect-ready URL behavior they wish, as long as the method returns a redirect-ready URL
string. string.
.. note::
Documentation on class-based views is a work in progress. As yet, only the
methods defined directly on the class are documented here, not methods
defined on superclasses.

View File

@ -15,6 +15,8 @@ DetailView
**Ancestors (MRO)** **Ancestors (MRO)**
This view inherits methods and attributes from the following views:
* :class:`django.views.generic.detail.SingleObjectTemplateResponseMixin` * :class:`django.views.generic.detail.SingleObjectTemplateResponseMixin`
* :class:`django.views.generic.base.TemplateResponseMixin` * :class:`django.views.generic.base.TemplateResponseMixin`
* :class:`django.views.generic.detail.BaseDetailView` * :class:`django.views.generic.detail.BaseDetailView`
@ -71,7 +73,9 @@ ListView
objects (usually, but not necessarily a queryset) that the view is objects (usually, but not necessarily a queryset) that the view is
operating upon. operating upon.
**Mixins** **Ancestors (MRO)**
This view inherits methods and attributes from the following views:
* :class:`django.views.generic.list.ListView` * :class:`django.views.generic.list.ListView`
* :class:`django.views.generic.list.MultipleObjectTemplateResponseMixin` * :class:`django.views.generic.list.MultipleObjectTemplateResponseMixin`
@ -90,3 +94,54 @@ ListView
6. :meth:`get_context_data()` 6. :meth:`get_context_data()`
7. :meth:`get()` 7. :meth:`get()`
8. :meth:`render_to_response()` 8. :meth:`render_to_response()`
**Example views.py**::
from django.views.generic.list import ListView
from django.utils import timezone
from articles.models import Article
class ArticleListView(ListView):
model = Article
def get_context_data(self, **kwargs):
context = super(ArticleListView, self).get_context_data(**kwargs)
context['now'] = timezone.now()
return context
**Example urls.py**::
from django.conf.urls import patterns, url
from article.views import ArticleListView
urlpatterns = patterns('',
url(r'^$', ArticleListView.as_view(), name='article-list'),
)
.. class:: django.views.generic.list.BaseListView
A base view for displaying a list of objects. It is not intended to be used
directly, but rather as a parent class of the
:class:`django.views.generic.list.ListView` or other views representing
lists of objects.
**Ancestors (MRO)**
This view inherits methods and attributes from the following views:
* :class:`django.views.generic.list.MultipleObjectMixin`
* :class:`django.views.generic.base.View`
**Methods**
.. method:: get(request, *args, **kwargs)
Adds :attr:`object_list` to the context. If
:attr:`~django.views.generic.list.MultipleObjectMixin.allow_empty`
is True then display an empty list. If
:attr:`~django.views.generic.list.MultipleObjectMixin.allow_empty` is
False then raise a 404 error.

View File

@ -86,7 +86,8 @@ MultipleObjectMixin
.. method:: get_queryset() .. method:: get_queryset()
Returns the queryset that represents the data this view will display. Get the list of items for this view. This must be an iterable and may
be a queryset (in which queryset-specific behavior will be enabled).
.. method:: paginate_queryset(queryset, page_size) .. method:: paginate_queryset(queryset, page_size)

View File

@ -9,16 +9,17 @@ ContextMixin
.. versionadded:: 1.5 .. versionadded:: 1.5
**classpath**
``django.views.generic.base.ContextMixin``
**Methods** **Methods**
.. method:: get_context_data(**kwargs) .. method:: get_context_data(**kwargs)
Returns a dictionary representing the template context. The keyword Returns a dictionary representing the template context. The keyword
arguments provided will make up the returned context. arguments provided will make up the returned context. Example usage::
def get_context_data(self, **kwargs):
context = super(RandomNumberView, self).get_context_data(**kwargs)
context['number'] = random.randrange(1, 100)
return context
The template context of all class-based generic views include a The template context of all class-based generic views include a
``view`` variable that points to the ``View`` instance. ``view`` variable that points to the ``View`` instance.
@ -42,7 +43,13 @@ TemplateResponseMixin
suitable context. The template to use is configurable and can be suitable context. The template to use is configurable and can be
further customized by subclasses. further customized by subclasses.
**Methods and Attributes** **Attributes**
.. attribute:: template_name
The full name of a template to use as defined by a string. Not defining
a template_name will raise a
:class:`django.core.exceptions.ImproperlyConfigured` exception.
.. attribute:: response_class .. attribute:: response_class
@ -57,12 +64,14 @@ TemplateResponseMixin
instantiation, create a ``TemplateResponse`` subclass and assign it to instantiation, create a ``TemplateResponse`` subclass and assign it to
``response_class``. ``response_class``.
**Methods**
.. method:: render_to_response(context, **response_kwargs) .. method:: render_to_response(context, **response_kwargs)
Returns a ``self.response_class`` instance. Returns a ``self.response_class`` instance.
If any keyword arguments are provided, they will be If any keyword arguments are provided, they will be passed to the
passed to the constructor of the response class. constructor of the response class.
Calls :meth:`~TemplateResponseMixin.get_template_names()` to obtain the Calls :meth:`~TemplateResponseMixin.get_template_names()` to obtain the
list of template names that will be searched looking for an existent list of template names that will be searched looking for an existent