app/django/views/decorators/http.py
author Sverre Rabbelier <srabbelier@gmail.com>
Sat, 22 Nov 2008 13:59:34 +0000
changeset 553 c0cc20b4afc9
parent 54 03e267d67478
permissions -rw-r--r--
Make redirect generic using the new Lists object This makes it possible (and easier) to have the list view redirect to any page specially tailored to the current item. Patch by: Sverre Rabbelier
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"""
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Decorators for views based on HTTP headers.
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"""
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try:
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    from functools import wraps
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except ImportError:
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    from django.utils.functional import wraps  # Python 2.3, 2.4 fallback.
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from django.utils.decorators import decorator_from_middleware
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from django.middleware.http import ConditionalGetMiddleware
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from django.http import HttpResponseNotAllowed
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conditional_page = decorator_from_middleware(ConditionalGetMiddleware)
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def require_http_methods(request_method_list):
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    """
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    Decorator to make a view only accept particular request methods.  Usage::
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        @require_http_methods(["GET", "POST"])
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        def my_view(request):
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            # I can assume now that only GET or POST requests make it this far
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            # ...
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    Note that request methods should be in uppercase.
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    """
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    def decorator(func):
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        def inner(request, *args, **kwargs):
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            if request.method not in request_method_list:
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                return HttpResponseNotAllowed(request_method_list)
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            return func(request, *args, **kwargs)
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        return wraps(func)(inner)
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    return decorator
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require_GET = require_http_methods(["GET"])
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require_GET.__doc__ = "Decorator to require that a view only accept the GET method."
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require_POST = require_http_methods(["POST"])
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require_POST.__doc__ = "Decorator to require that a view only accept the POST method."