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Ochs / annoying / utils.py

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from django.http import HttpResponse
from django.utils.encoding import iri_to_uri


class HttpResponseReload(HttpResponse):
    """
    Reload page and stay on the same page from where request was made.

    example:

    def simple_view(request):
        if request.POST:
            form = CommentForm(request.POST):
            if form.is_valid():
                form.save()
                return HttpResponseReload(request)
        else:
            form = CommentForm()
        return render_to_response('some_template.html', {'form': form})
    """
    status_code = 302

    def __init__(self, request):
        HttpResponse.__init__(self)
        referer = request.META.get('HTTP_REFERER')
        self['Location'] = iri_to_uri(referer or "/")