def getUser():
        """
        Return the HTTP user sent with this request, if any.

        If no user was supplied, return the empty string.

        @returns: the HTTP user, if any
        @rtype: L{str}
        """

        Return the HTTP user sent with this request, if any.

        If no user was supplied, return the empty string.

        @returns: the HTTP user, if any
        @rtype: L{str}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/web/iweb.py