How to generate XML files in Python

This article mainly introduces the method of using Python to generate XML, and combines specific examples with a detailed analysis of the specific smoothness and correlation of Python's generation of xml files. Notes, friends in need can refer to

The example in this article describes how to use Python to generate XML. Share it with everyone for your reference, the details are as follows:

1. bookstore.py

#encoding:utf-8
'''
根据一个给定的XML Schema，使用DOM树的形式从空白文件生成一个XML。
'''
from xml.dom.minidom import Document
doc = Document() #创建DOM文档对象
bookstore = doc.createElement('bookstore') #创建根元素
bookstore.setAttribute('xmlns:xsi',"http://www.w3.org/2001/XMLSchema-instance")#设置命名空间
bookstore.setAttribute('xsi:noNamespaceSchemaLocation','bookstore.xsd')#引用本地XML Schema
doc.appendChild(bookstore)
############book:Python处理XML之Minidom################
book = doc.createElement('book')
book.setAttribute('genre','XML')
bookstore.appendChild(book)
title = doc.createElement('title')
title_text = doc.createTextNode('Python处理XML之Minidom') #元素内容写入
title.appendChild(title_text)
book.appendChild(title)
author = doc.createElement('author')
book.appendChild(author)
author_first_name = doc.createElement('first-name')
author_last_name = doc.createElement('last-name')
author_first_name_text = doc.createTextNode('张')
author_last_name_text = doc.createTextNode('三')
author.appendChild(author_first_name)
author.appendChild(author_last_name)
author_first_name.appendChild(author_first_name_text)
author_last_name.appendChild(author_last_name_text)
book.appendChild(author)
price = doc.createElement('price')
price_text = doc.createTextNode('28')
price.appendChild(price_text)
book.appendChild(price)
############book1:Python写网站之Django####################
book1 = doc.createElement('book')
book1.setAttribute('genre','Web')
bookstore.appendChild(book1)
title1 = doc.createElement('title')
title_text1 = doc.createTextNode('Python写网站之Django')
title1.appendChild(title_text1)
book1.appendChild(title1)
author1 = doc.createElement('author')
book.appendChild(author1)
author_first_name1 = doc.createElement('first-name')
author_last_name1 = doc.createElement('last-name')
author_first_name_text1 = doc.createTextNode('李')
author_last_name_text1 = doc.createTextNode('四')
author1.appendChild(author_first_name1)
author1.appendChild(author_last_name1)
author_first_name1.appendChild(author_first_name_text1)
author_last_name1.appendChild(author_last_name_text1)
book1.appendChild(author1)
price1 = doc.createElement('price')
price_text1 = doc.createTextNode('40')
price1.appendChild(price_text1)
book1.appendChild(price1)
########### 将DOM对象doc写入文件
f = open('bookstore.xml','w')
f.write(doc.toprettyxml(indent = ''))
f.close()

2. bookstore.xsd

<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
 <xsd:element name="bookstore" type="bookstoreType"/>
 <xsd:complexType name="bookstoreType">
  <xsd:sequence maxOccurs="unbounded">
   <xsd:element name="book" type="bookType"/>
  </xsd:sequence>
 </xsd:complexType>
 <xsd:complexType name="bookType">
  <xsd:sequence>
   <xsd:element name="title" type="xsd:string"/>
   <xsd:element name="author" type="authorName"/>
   <xsd:element name="price" type="xsd:decimal"/>
  </xsd:sequence>
  <xsd:attribute name="genre" type="xsd:string"/>
 </xsd:complexType>
 <xsd:complexType name="authorName">
  <xsd:sequence>
   <xsd:element name="first-name" type="xsd:string"/>
   <xsd:element name="last-name" type="xsd:string"/>
  </xsd:sequence>
 </xsd:complexType>
</xsd:schema>

3 . XML generated by Python minidom according to the above XML Schema

bookstore.xml

<?xml version="1.0" ?>
<bookstore xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="bookstore.xsd">
 <book genre="XML">
  <title>
   Python处理XML之Minidom
  </title>
  <author>
   <first-name>
    张
   </first-name>
   <last-name>
    三
   </last-name>
  </author>
  <price>
   28
  </price>
 </book>
 <book genre="Web">
  <title>
   Python写网站之Django
  </title>
  <author>
   <first-name>
    李
   </first-name>
   <last-name>
    四
   </last-name>
  </author>
  <price>
   40
  </price>
 </book>
</bookstore>

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