我正在尝试使用Beautiful Soup来从使用Grobid生成的.tei.xml文件中提取元素。
我可以使用以下方法获得标题：
titles = soup.findAll('title')
访问“较低级别”元素的正确语法是什么？ （作者/隶属关系等）
这是tei.xml文件的一部分，该文件是Grobid输出：
<?xml version="1.0" encoding="UTF-8"?>
<TEI xmlns="http://www.tei-c.org/ns/1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.tei-c.org/ns/1.0 /data/grobid-0.5.1/grobid-home/schemas/xsd/Grobid.xsd"
xmlns:xlink="http://www.w3.org/1999/xlink">
<teiHeader xml:lang="en">
<encodingDesc>
<appInfo>
<application version="0.5.1-SNAPSHOT" ident="GROBID" when="2018-08-15T14:51+0000">
<ref target="https://github.com/kermitt2/grobid">GROBID - A machine learning software for extracting information from scholarly documents</ref>
</application>
</appInfo>
</encodingDesc>
<fileDesc>
<titleStmt>
<title level="a" type="main">The Role of Artificial Intelligence in Software Engineering</title>
</titleStmt>
<publicationStmt>
<publisher/>
<availability status="unknown"><licence/></availability>
</publicationStmt>
<sourceDesc>
<biblStruct>
<analytic>
<author>
<persName xmlns="http://www.tei-c.org/ns/1.0"><forename type="first">Mark</forename><surname>Harman</surname></persName>
<affiliation key="aff0">
<orgName type="department">CREST Centre</orgName>
<orgName type="institution">University College London</orgName>
<address>
<addrLine>Malet Place</addrLine>
<postCode>WC1E 6BT</postCode>
<settlement>London</settlement>
<country key="GB">UK</country>
</address>
</affiliation>
</author>
<title level="a" type="main">The Role of Artificial Intelligence in Software Engineering</title>
</analytic>
<monogr>
<imprint>
<date/>
</imprint>
</monogr>
</biblStruct>
</sourceDesc>
</fileDesc>'
谢谢。
最佳答案
BeautifulSoup会将节点小写，这是一些示例：
title = soup.html.body.teiheader.filedesc.analytic.title.string
for author in soup.html.body.teiheader.filedesc.sourcedesc.find_all('author'):
tag_or_none = author.persname.forename
first_affiliation = author.affiliation
see the BeautifulSoup documentation也涵盖了所有内容。
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