Exact method for getting http_info but with form data work around.

def get_http_info_with_retriever(self, request, retriever=None):
        """
        Exact method for getting http_info but with form data work around.
        """
        if retriever is None:
            retriever = self.get_form_data

        urlparts = urlparse.urlsplit(request.url)

        try:
            data = retriever(request)
        except ClientDisconnected:
            data = {}

        return {
            'url': '%s://%s%s' % (urlparts.scheme, urlparts.netloc, urlparts.path),
            'query_string': urlparts.query,
            'method': request.method,
            'data': data,
            'headers': dict(get_headers(request.environ)),
            'env': dict(get_environ(request.environ)),
        }