Python有一个函数可以用来转义正则表达式中的特殊字符吗？
例如,I'm "stuck" :\应该成为I\'m \"stuck\" :\\.
我正在向带有后端的服务器发送一些jsonrpc请求。有时，我会遇到一些我想要分析的错误。这些错误在回复中被转义，因此不容易理解。我得到这样的东西：web2pyceleryjsonrpc
{"version": "1.1", "id": "ID4", "error": {"message": "TypeError: 'NoneType' object does not support item assignment", "code": 100, "data": [" File \"/home/myuser1/tmp/web2py/gluon/tools.py\", line 4068, in serve_jsonrpc\n s = methods[method](*params)\n", " File \"/home/myuser1/tmp/web2py/applications/mycompany_portal/controllers/activity.py\", line 66, in get_cdr_page\n invalidate_cache = pars['invalidate_cache'], use_long_polling = pars['use_long_polling'])\n", " File \"/home/myuser1/projects/new-mycompany-portal/python_modules/pmq_client.py\", line 85, in get_page\n res = result.get(timeout=10)\n", " File \"/home/myuser1/.virtualenvs/python2.7.2-mycompany1/lib/python2.7/site-packages/celery/result.py\", line 119, in get\n interval=interval)\n", " File \"/home/myuser1/.virtualenvs/python2.7.2-mycompany1/lib/python2.7/site-packages/celery/backends/amqp.py\", line 138, in wait_for\n raise self.exception_to_python(meta['result'])\n"], "name": "JSONRPCError"}}
我想要的是获取回复error.data的部分jsonrpc，取消转义并将其显示为堆栈跟踪。我可以手动完成（更改 …