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require XMLHttpRequest view decorator

Author:
skam
Posted:
January 29, 2008
Language:
Python
Version:
.96
Score:
5 (after 5 ratings)

Decorator to make a view only accept requests from AJAX calls. Usage::

@require_xhr()
def my_view(request):
    # Returns data
    # ...

by skam

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from django.http import Http404
def require_xhr():
    """
    Decorator to make a view only accept requests from AJAX calls. Usage::

        @require_xhr()
        def my_view(request):
            # Returns data
            # ...
    """
    def decorator(func):
        def inner(request, *args, **kwargs):
            if request.META.get('HTTP_X_REQUESTED_WITH') != 'XMLHttpRequest':
                raise Http404
            return func(request, *args, **kwargs)
        return inner
    return decorator

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Comments

daevaorn (on January 29, 2008):

May be better solution:

def require_xhr( func ):
    """
    Usage:
       @require_xhr
       def my_view(request):
           pass
    """
    def _decorator(request, *args, **kwargs):
        if request.META.get('HTTP_X_REQUESTED_WITH', "") != 'XMLHttpRequest':
            return HttpResponseNotAllowed()
        return func(request, *args, **kwargs)
    _decorator.__name__ = func.__name__
    _decorator.__doc___ = func.__doc___
    _decorator.__module___ = func.__module__
    return _decorator

#

derelm (on January 29, 2008):

@daevaorn:

HttpResponseNotAllowed requires a 2nd argument specifying the allowed methods, so it's not of use here

#

skam (on January 30, 2008):

Changed HttpResponseNotAllowed to Http404 exception

#

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