什么是 XML
- 可扩展标记语言(Extensible Markup Language)的缩写
- 也是一种结构化的数据
xml解析
import xml.etree.ElementTree as ET
root = ET.fromstring(countrydata)
root.findall(".")
root.findall("./country/neighbor")
root.findall(".//year/..[@name='Singapore']")
root.findall(".//*[@name='Singapore']/year")
root.findall(".//neighbor[2]")
XPath 断言
from requests_xml import XMLSession
session = XMLSession()
r = session.get('https://www.nasa.gov/rss/dyn/lg_image_of_the_day.rss')
r.xml.links
item = r.xml.xpath('//item', first=True)
print(item.text)