app/django/views/decorators/vary.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Thu, 02 Apr 2009 10:11:38 +0000
changeset 2051 cecbef1289a5
parent 54 03e267d67478
permissions -rw-r--r--
Make the mentor and organization admin comment submission on student proposal nicer. Now drop down box allows you to select comment type and based on selected type and your current Role shows you available comment options. Left TODO to put inline JS into separate JS file. Patch by: Tim Ansell (small fixes by Pawel Solyga) Reviewed by: Pawel Solyga

try:
    from functools import wraps
except ImportError:
    from django.utils.functional import wraps  # Python 2.3, 2.4 fallback.

from django.utils.cache import patch_vary_headers

def vary_on_headers(*headers):
    """
    A view decorator that adds the specified headers to the Vary header of the
    response. Usage:

       @vary_on_headers('Cookie', 'Accept-language')
       def index(request):
           ...

    Note that the header names are not case-sensitive.
    """
    def decorator(func):
        def inner_func(*args, **kwargs):
            response = func(*args, **kwargs)
            patch_vary_headers(response, headers)
            return response
        return wraps(func)(inner_func)
    return decorator

def vary_on_cookie(func):
    """
    A view decorator that adds "Cookie" to the Vary header of a response. This
    indicates that a page's contents depends on cookies. Usage:

        @vary_on_cookie
        def index(request):
            ...
    """
    def inner_func(*args, **kwargs):
        response = func(*args, **kwargs)
        patch_vary_headers(response, ('Cookie',))
        return response
    return wraps(func)(inner_func)