我正在使用以下 python 代码进行 xpath 属性查找,但出现错误:
selector.append(ops[token[0]](next, token)) KeyError: '@'
Just using the starndard python2.7 release没有额外的模块
xml 文件如下所示:
<rule-set>
<rule name="firstRule" salience="3" />
<rule name="secondRule" salience="5" />
</rule-set>
我的代码如下所示:
import xml.etree.ElementTree as ET
fp = open("./rules.xml", "r")
elementTree = ET.parse(fp)
e = elementTree.findall('rule') #looking up element, this works
for i in e:
print i.attrib
e = elementTree.findall('rule/@salience') #directly looking up attribute fails
for i in e:
print i
print 'all done'
我有点困惑,...我认为 xpath1.0 会支持这个 xpath 查找,或者我做错了什么?