ParseError:使用cElementTree格式不正确(无效令牌) [英] ParseError: not well-formed (invalid token) using cElementTree

问题描述

我从外部来源接收到xml字符串，其中可能包含未经消毒的用户提供的内容.

I receive xml strings from an external source that can contains unsanitized user contributed content.

以下xml字符串在cElementTree中给出了ParseError:

The following xml string gave a ParseError in cElementTree:

>>> print repr(s)
'<Comment>dddddddd\x08\x08\x08\x08\x08\x08_____</Comment>'
>>> import xml.etree.cElementTree as ET
>>> ET.XML(s)

Traceback (most recent call last):
  File "<pyshell#4>", line 1, in <module>
    ET.XML(s)
  File "<string>", line 106, in XML
ParseError: not well-formed (invalid token): line 1, column 17

有没有办法让cElementTree不抱怨?

Is there a way to make cElementTree not complain?

推荐答案

似乎在抱怨\x08，您需要对此进行转义.

It seems to complain about \x08 you will need to escape that.

或者您可以让解析器使用recover

Or you can have the parser ignore the errors using recover

from lxml import etree
parser = etree.XMLParser(recover=True)
etree.fromstring(xmlstring, parser=parser)

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