Xml parse

from xml.dom.minidom import *
from lxml import *
 
xmldoc = parse('allitems.xml')
 
root = xmldoc.getElementsByTagName("cve")
cve_number = xmldoc.getElementsByTagName("item")
description = xmldoc.getElementsByTagName("desc")
 
 
#Запись в файл
with open('cve_base.txt', 'w') as f:
 for item in cve_number:
  f.write(item.getAttribute('name') + '\n')
 #print item.getAttribute('name')
 for child in item.getElementsByTagName('desc'):
  f.write(child.childNodes[0].nodeValue + '\n\n')
  #print child.childNodes[0].nodeValue

import lxml.etree
 
parser = lxml.etree.XMLParser(remove_blank_text=True, strip_cdata=False)
with open("allitems.xml", "rb") as f:
    xml = lxml.etree.XML(f, parser)
 
with open("cve_base.txt", "rt", encoding="utf-8") as fin,
        open("cve_out.txt", "wt", encoding="utf-8") as fout:
    for line in fin:
        _, cve, _ = line.split(":")
        for text in xml.xpath("//item[@name='{}']/desc/text()".format(cve)):
            print("{}\n{}".format(cve, text), file=fout)

import lxml.etree
 
parser = lxml.etree.XMLParser(remove_blank_text=True, strip_cdata=False)
with open("allitems.xml", "rb") as f:
    xml = lxml.etree.XML(f, parser)
 
with open("cve_base.txt", "rt", encoding="utf-8") as fin,
        open("cve_out.txt", "wt", encoding="utf-8") as fout:
    for line in fin:
        _, cve, _ = line.split(":")
        for text in xml.xpath("//item[@name='{}']/desc/text()".format(cve)):
            print("{}\n{}".format(cve, text), file=fout)