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"""
Decorators for views based on HTTP headers.
"""
from django.utils.decorators import decorator_from_middleware
from django.middleware.http import ConditionalGetMiddleware
from django.utils.httpwrappers import HttpResponseForbidden
conditional_page = decorator_from_middleware(ConditionalGetMiddleware)
def require_http_methods(request_method_list):
"""
Decorator to make a view only accept particular request methods. Usage::
@require_http_methods(["GET", "POST"])
def my_view(request):
# I can assume now that only GET or POST requests make it this far
# ...
Note that request methods ARE case sensitive.
"""
def decorator(func):
def inner(request, *args, **kwargs):
method = request.META.get("REQUEST_METHOD", None)
if method not in request_method_list:
raise HttpResponseForbidden("REQUEST_METHOD '%s' not allowed" % method)
return func(request, *args, **kwargs)
return inner
return decorator
require_GET = require_http_methods(["GET"])
require_GET.__doc__ = "Decorator to require that a view only accept the GET method."
require_POST = require_http_methods(["POST"])
require_POST.__doc__ = "Decorator to require that a view only accept the POST method."
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