python 處理xml 遇到特殊符號解析錯誤的情況


global:[2017-06-05 10:27:48.662313] [DEBUG] 輸出fmsg_content <msg fromusername="li2571" encryptusername="v1_d6685823c361fcaabb8f8bdde7b1c69831047cc4012ca73af16a452688fcb1ec@stranger" fromnickname="돌아갈 수 있는 지난จุ๊บðŸ’" content="我是" fullpy="?????????????" shortpy="?????????????" imagestatus="3" scene="3" country="CN" province="Hubei" city="Jingzhou" sign="〢銣裹愛,請深愛.、.|‖|‖▍.*" percard="1" sex="2" alias="LiLizouli713" weibo="" weibonickname="" albumflag="0" albumstyle="0" albumbgimgid="" snsflag="17" snsbgimgid="http://szmmsns.qpic.cn/mmsns/aicQlel8roa2oJPnj8q8Gf1ibVnDX1x5HD23xde644eAP8x0E5qtm69hGQ5e6GOquAkiaku39cAte8/0" snsbgobjectid="12548372440867024976" mhash="3247e9c6ea7921d63e672c5ede4e206e" mfullhash="3247e9c6ea7921d63e672c5ede4e206e" bigheadimgurl="http://wx.qlogo.cn/mmhead/ver_1/kjW4HogEYibLpboXT4mUDTUV9BhRnXAt0C4DW7JvQUY3Tia8yF8ibBBGF7wRv9vaaFdFcLne8GybjLlsVaTrrKNrP2Zjjlxtp9vGKEdcgCiaB44/0" smallheadimgurl="http://wx.qlogo.cn/mmhead/ver_1/kjW4HogEYibLpboXT4mUDTUV9BhRnXAt0C4DW7JvQUY3Tia8yF8ibBBGF7wRv9vaaFdFcLne8GybjLlsVaTrrKNrP2Zjjlxtp9vGKEdcgCiaB44/96" ticket="v2_8655444fac8ef7e3a277aeee973c6038a97e83593c53559e1d362e7488fda8c65724aa1310015415fd681faa284b5b18@stranger" opcode="2" googlecontact="" qrticket="" chatroomusername="" sourceusername="" sourcenickname=""><brandlist count="0" ver="652744432"></brandlist></msg>
global:[2017-06-05 10:27:48.662493] [DEBUG] shuchuadezhi .、.     #這里是 fmsg_content[300:305]
global:[2017-06-05 10:27:48.662711] [ERROR] process_wechat_msg not well-formed (invalid token): line 1, column 301

 

 

 

import xml.etree.cElementTree as ET

xml_tree = ET.fromstring(fmsg_content)

 

運行報錯

global:[2017-06-05 10:27:48.662711] [ERROR] process_wechat_msg not well-formed (invalid token): line 1, column 301

 

 

輸出日志 

 fmsg_content[300:305]  得到的是特殊符號 .、.

先嘗試:

            # parser = ET.XMLParser(encoding='utf-8')

            # xml_tree = ET.fromstring(fmsg_content, parser=parser)

得到 

*** Error in `/usr/bin/python3': double free or corruption (!prev): 0x00000000012ae500 ***

大坑。。

 

最終

fmsg_content=re.sub(u"[\x00-\x08\x0b-\x0c\x0e-\x1f]+",u"",fmsg_content)

xml_tree = ET.fromstring(fmsg_content)

替換掉非法字符 就不會報錯了

 


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