flask 计算接口请求时长

def create_app(config_name=None, app_name=None):

    if not app_name:
        app_name = __name__
    app = Flask(app_name)
    configure_app(app, config_name)

def configure_hook(app):
    @app.before_request
    def before_request():
        g.start = time.time()

    @app.after_request
    def log_response(response):
        # 接口请求耗时（毫秒）
        diff = int((time.time() - g.start) * 1000)
        print(diff)
        return response