utils.py

import re


def get_referer_view(request, default=None):
    '''
    Return the referer view of the current request

    Example:

        def some_view(request):
            ...
            referer_view = get_referer_view(request)
            return HttpResponseRedirect(referer_view, '/accounts/login/')
    '''
    # https://djangosnippets.org/snippets/1474/

    # if the user typed the url directly in the browser's address bar
    referer = request.META.get('HTTP_REFERER')
    if not referer:
        return default

    # remove the protocol and split the url at the slashes
    referer = re.sub('^https?:\/\/', '', referer).split('/')
    if referer[0] != request.META.get('SERVER_NAME'):
        return default

    # add the slash at the relative path's view and finished
    referer = u'/' + u'/'.join(referer[1:])
    return referer