patch.py 文件源码

def unpatch():
    """
    Remove all tracing functions in a Tornado web application.
    """
    if not getattr(tornado, '__datadog_patch', False):
        return
    setattr(tornado, '__datadog_patch', False)

    # unpatch Tornado
    _u(tornado.web.RequestHandler, '_execute')
    _u(tornado.web.RequestHandler, 'on_finish')
    _u(tornado.web.RequestHandler, 'log_exception')
    _u(tornado.web.Application, '__init__')
    _u(tornado.concurrent, 'run_on_executor')
    _u(tornado.template.Template, 'generate')