检查python xml.etree.ElementTree模块中的标签是否存在

Question

There is a function of the xml.etree.ElementTree module to do that? NOT:

if node.find(tag)!=None:
    #code
    pass

Answer 1

That's exactly what you've presented. find() is the tool for the job:

Finds the first subelement matching match. match may be a tag name or path. Returns an element instance or None .

It's just that, to follow the best practices, use is when comparing to None :

if node.find(tag) is not None:
    # code