@require_POST_or(url_name_or_callable): Run this method if POST, call another or redirect away otherwise.

require_post_or.py

from django.core.urlresolvers import reverse
from django.views.decorators.http import require_POST
from django.http import HttpResponseRedirect, HttpResponseNotAllowed

def require_POST_or(other):
    def _d_closure(func):
        def wrapped_func(request, *args, **kwargs):
            r = require_POST(func)(request, *args, **kwargs)
            if type(r) == HttpResponseNotAllowed:
                if callable(other): return other(request, *args, **kwargs)
                else: return HttpResponseRedirect(reverse(other))
            return r
        wrapped_func.__name__ = func.__name__
        wrapped_func.__doc__ = func.__doc__
        return wrapped_func
    return _d_closure