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Fixed #15395 -- Documented the modules/import paths for the various decorators in django.views.decorators. Thanks to slinkp for the report.

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git-svn-id: http://code.djangoproject.com/svn/django/trunk@15671 bcc190cf-cafb-0310-a4f2-bffc1f526a37
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Gabriel Hurley 2011-02-28 05:25:46 +00:00
parent 70d3c84d18
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1 changed files with 20 additions and 7 deletions
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27
docs/topics/http/decorators.txt
View File

@ -2,7 +2,7 @@
View decorators View decorators
=============== ===============
.. currentmodule:: django.views.decorators.http .. module:: django.views.decorators.http
Django provides several decorators that can be applied to views to support Django provides several decorators that can be applied to views to support
various HTTP features. various HTTP features.
@ -10,12 +10,16 @@ various HTTP features.
Allowed HTTP methods Allowed HTTP methods
==================== ====================
The following decorators in :mod:`django.views.decorators.http` can be used to
restrict access to views based on the request method.
.. function:: require_http_methods(request_method_list) .. function:: require_http_methods(request_method_list)
This decorator is used to make a view only accept particular request methods. This decorator is used to ensure that a view only accepts particular request
Usage:: methods. Usage::
from django.views.decorators.http import require_http_methods from django.views.decorators.http import require_http_methods
@require_http_methods(["GET", "POST"]) @require_http_methods(["GET", "POST"])
def my_view(request): def my_view(request):
# I can assume now that only GET or POST requests make it this far # I can assume now that only GET or POST requests make it this far
@ -35,6 +39,9 @@ Decorator to require that a view only accept the POST method.
Conditional view processing Conditional view processing
=========================== ===========================
The following decorators in :mod:`django.views.decorators.http` can be used to
control caching behavior on particular views.
.. function:: condition(etag_func=None, last_modified_func=None) .. function:: condition(etag_func=None, last_modified_func=None)
.. function:: etag(etag_func) .. function:: etag(etag_func)
@ -45,27 +52,33 @@ These decorators can be used to generate ``ETag`` and ``Last-Modified``
headers; see headers; see
:doc:`conditional view processing </topics/conditional-view-processing>`. :doc:`conditional view processing </topics/conditional-view-processing>`.
.. currentmodule:: django.views.decorators.gzip .. module:: django.views.decorators.gzip
GZip compression GZip compression
================ ================
The decorators in :mod:`django.views.decorators.gzip` control content
compression on a per-view basis.
.. function:: gzip_page() .. function:: gzip_page()
This decorator compresses content if the browser allows gzip compression. This decorator compresses content if the browser allows gzip compression.
It sets the ``Vary`` header accordingly, so that caches will base their It sets the ``Vary`` header accordingly, so that caches will base their
storage on the ``Accept-Encoding`` header. storage on the ``Accept-Encoding`` header.
.. currentmodule:: django.views.decorators.vary .. module:: django.views.decorators.vary
Vary headers Vary headers
============ ============
The ``Vary`` header defines which request headers a cache mechanism should take The decorators in :mod:`django.views.decorators.vary` can be used to control
into account when building its cache key. caching based on specific request headers.
.. function:: vary_on_cookie(func) .. function:: vary_on_cookie(func)
.. function:: vary_on_headers(*headers) .. function:: vary_on_headers(*headers)
The ``Vary`` header defines which request headers a cache mechanism should take
into account when building its cache key.
See :ref:`using vary headers <using-vary-headers>`. See :ref:`using vary headers <using-vary-headers>`.