python xml.etree.ElementTree walks through all instances of xml nodes
- 2020-05-17 05:47:25
- OfStack
python xml.etree.ElementTree traverses all xml nodes
Content of XML file:
<students>
<student name=' Liu bei ' sex=' male ' age='35'/>
<student name=' Lyu3 bu4 ' sex=' male ' age='38'/>
<student name=' The sable cicada ' sex=' female ' age='22'/>
</students>
Code:
#-*- coding: UTF-8 -*-
# Read data from a file
import xml.etree.ElementTree as ET
# The global only 1 logo
unique_id = 1
# Traverse all the nodes
def walkData(root_node, level, result_list):
global unique_id
temp_list =[unique_id, level, root_node.tag, root_node.attrib]
result_list.append(temp_list)
unique_id += 1
# Traverse each child node
children_node = root_node.getchildren()
if len(children_node) == 0:
return
for child in children_node:
walkData(child, level + 1, result_list)
return
# Get the raw data
#out:
#[
# #ID, Level, Attr Map
# [1, 1, {'ID':1, 'Name':'test1'}],
# [2, 1, {'ID':1, 'Name':'test2'}],
#]
def getXmlData(file_name):
level = 1 # The depth of the node from 1 start
result_list = []
root = ET.parse(file_name).getroot()
walkData(root, level, result_list)
return result_list
if __name__ == '__main__':
file_name = 'test.xml'
R = getXmlData(file_name)
for x in R:
print x
pass
Output results:
[1, 1, 'students', {}]
[2, 2, 'student', {'age': '35', 'name': u'\u5218\u5907', 'sex': u'\u7537'}]
[3, 2, 'student', {'age': '38', 'name': u'\u5415\u5e03', 'sex': u'\u7537'}]
[4, 2, 'student', {'age': '22', 'name': u'\u8c82\u8749', 'sex': u'\u5973'}]
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