1
我有一个看起来像this的XML文件。相关位是这样的:pyquery(lxml)没有在结构良好的XML文档中找到标签?
<reference>
<citation>Vander Wal JS, Gang CH, Griffing GT, Gadde KM. Escitalopram for treatment of night eating syndrome: a 12-week, randomized, placebo-controlled trial. J Clin Psychopharmacol. 2012 Jun;32(3):341-5. doi: 10.1097/JCP.0b013e318254239b.</citation>
<PMID>22544016</PMID>
</reference>
我试图找到PMID
字段的值,用PyQuery解析XML:
from pyquery import PyQuery as pq
text = open(f, 'r').read()
d = pq(text)
data = {}
data['nct_id'] = d('nct_id').text()
print d('reference')
reference = d('reference')
print reference('PMID')
data['pmid'] = reference('PMID').text()
print data['PMID']
为什么不是这方面的工作?在控制台中我看到的reference
从第一个print语句的全部内容,后面两个空值:
<reference>
<citation>Vander Wal JS, Gang CH, Griffing GT, Gadde KM. Escitalopram for treatment of night eating syndrome: a 12-week, randomized, placebo-controlled trial. J Clin Psychopharmacol. 2012 Jun;32(3):341-5. doi: 10.1097/JCP.0b013e318254239b.</citation>
<PMID>22544016</PMID>
</reference>
我可以在文档中找到其他的叶节点(如nct_id
)就好使用.find()
,作为例子代码显示。
PyQuery不喜欢大写标签吗?
这做到了!谢谢! – Richard