human
Complete the below
@asyncio.coroutine
def auth_middleware(app, handler):

    ''''Authenticate as middleware.'
    '''
 ... Write me a the Python code you requested?
assistant
#Here is the Python code you requested.
    if (app['hass'].http.api_password is None):
        @asyncio.coroutine
        def no_auth_middleware_handler(request):
            'Auth    middleware    to    approve    all    requests.'
            request[KEY_AUTHENTICATED] = True
            return handler(request)
        return no_auth_middleware_handler
    @asyncio.coroutine
    def auth_middleware_handler(request):
        'Auth    middleware    to    check    authentication.'
        authenticated = False
        if ((HTTP_HEADER_HA_AUTH in request.headers) and validate_password(request, request.headers[HTTP_HEADER_HA_AUTH])):
            authenticated = True
        elif ((DATA_API_PASSWORD in request.query) and validate_password(request, request.query[DATA_API_PASSWORD])):
            authenticated = True
        elif is_trusted_ip(request):
            authenticated = True
        request[KEY_AUTHENTICATED] = authenticated
        return handler(request)
    return auth_middleware_handler