utils.py 文件源码

def make_json_app(import_name, **kwargs):
    app = flask.Flask(import_name, **kwargs)

    @app.errorhandler(exceptions.FuxiException)
    @app.errorhandler(cinder_exception.ClientException)
    @app.errorhandler(nova_exception.ClientException)
    @app.errorhandler(manila_exception.ClientException)
    @app.errorhandler(processutils.ProcessExecutionError)
    @app.errorhandler(brick_exception.BrickException)
    def make_json_error(ex):
        LOG.error("Unexpected error happened: %s",
                  traceback.format_exc())
        response = flask.jsonify({"Err": str(ex)})
        response.status_code = w_exceptions.InternalServerError.code
        if isinstance(ex, w_exceptions.HTTPException):
            response.status_code = ex.code
        content_type = 'application/vnd.docker.plugins.v1+json; charset=utf-8'
        response.headers['Content-Type'] = content_type
        return response

    for code in w_exceptions.default_exceptions:
        app.register_error_handler(code, make_json_error)

    return app