def modify_request(self, http_request):
    http_request.headers['Authorization'] = '%s%s' % (AUTHSUB_AUTH_LABEL,
        self.token_string)
Sets Authorization header, allows app to act on the user's behalf.
dataset/ETHPy150Open acil-bwh/SlicerCIP/Scripted/attic/PicasaSnap/gdata/gauth.py/AuthSubToken.modify_request