diff --git a/docs/index.txt b/docs/index.txt index 632adc8da3..0cf066ee01 100644 --- a/docs/index.txt +++ b/docs/index.txt @@ -91,7 +91,8 @@ The view layer * **The basics:** :doc:`URLconfs ` | :doc:`View functions ` | - :doc:`Shortcuts ` + :doc:`Shortcuts ` | + :doc:`Decorators ` * **Reference:** :doc:`Request/response objects ` | diff --git a/docs/ref/middleware.txt b/docs/ref/middleware.txt index 2625155dd9..cb90684847 100644 --- a/docs/ref/middleware.txt +++ b/docs/ref/middleware.txt @@ -98,6 +98,9 @@ compress content bodies less than 200 bytes long, when the response code is something other than 200, JavaScript files (for IE compatibility), or responses that have the ``Content-Encoding`` header already specified. +GZip compression can be applied to individual views using the +:func:`~django.views.decorators.http.gzip_page()` decorator. + Conditional GET middleware -------------------------- diff --git a/docs/topics/cache.txt b/docs/topics/cache.txt index 435a7d3ada..dc8da9bdbb 100644 --- a/docs/topics/cache.txt +++ b/docs/topics/cache.txt @@ -950,6 +950,8 @@ exist to instruct upstream caches to differ their cache contents depending on designated variables, and to tell caching mechanisms not to cache particular pages. We'll look at some of these headers in the sections that follow. +.. _using-vary-headers: + Using Vary headers ================== diff --git a/docs/topics/http/decorators.txt b/docs/topics/http/decorators.txt new file mode 100644 index 0000000000..7bb62ae8f5 --- /dev/null +++ b/docs/topics/http/decorators.txt @@ -0,0 +1,71 @@ +=============== +View Decorators +=============== + +.. currentmodule:: django.views.decorators.http + +Django provides several decorators that can be applied to views to support +various HTTP features. + +Allowed HTTP Methods +==================== + +.. function:: require_http_methods(request_method_list) + +This decorator is used to make a view only accept particular request methods. +Usage:: + + from django.views.decorators.http import require_http_methods + @require_http_methods(["GET", "POST"]) + def my_view(request): + # I can assume now that only GET or POST requests make it this far + # ... + pass + +Note that request methods should be in uppercase. + +.. function:: require_GET() + +Decorator to require that a view only accept the GET method. + +.. function:: require_POST() + +Decorator to require that a view only accept the POST method. + +Conditional view processing +=========================== + +.. function:: condition(etag_func=None, last_modified_func=None) + +.. function:: etag(etag_func) + +.. function:: last_modified(last_modified_func) + +These decorators can be used to generate ``ETag`` and ``Last-Modified`` +headers; see +:doc:`conditional view processing `. + +.. currentmodule:: django.views.decorators.http + +GZip Compression +================ + +.. function:: gzip_page() + +This decorator compresses content if the browser allows gzip compression. +It sets the ``Vary`` header accordingly, so that caches will base their +storage on the ``Accept-Encoding`` header. + +.. currentmodule:: django.views.decorators.vary + +Vary Headers +============ + +The ``Vary`` header defines which request headers a cache mechanism should take +into account when building its cache key. + +.. function:: vary_on_cookie(func) + +.. function:: vary_on_headers(*headers) + +See :ref:`using vary headers `. diff --git a/docs/topics/http/index.txt b/docs/topics/http/index.txt index 5ef776dd7b..0bcb3a2d48 100644 --- a/docs/topics/http/index.txt +++ b/docs/topics/http/index.txt @@ -8,6 +8,7 @@ Information on handling HTTP requests in Django: urls views + decorators file-uploads shortcuts generic-views