测试环境

Python 3.6

Win10

代码实现

#!/usr/bin/env python 3.4.0
#-*- encoding:utf-8 -*-

__author__ = 'shouke'

import xml.etree.ElementTree as ET

def compare_xml_node_attributes(xml_node1, xml_node2):
    result = []
    node1_attributes_dict = xml_node1.attrib
    node2_attributes_dict = xml_node2.attrib
    for attrib1, value in node1_attributes_dict.items():
        value2 =  node2_attributes_dict.get(attrib1)
        if value == value2:
            node2_attributes_dict.pop(attrib1)
        else:
            if value2:
                attrib2 = attrib1
                node2_attributes_dict.pop(attrib2)
            else:
                attrib2 = '不存在'
            result.append('结点1属性：{attrib1} 值：{value1}，结点2属性：{attrib1} 值：{value2}'.format(attrib1=attrib1 or '不存在',
                                                                                         value1=value or '不存在',
                                                                                         attrib2=attrib2,
                                                                                         value2=value2 or '不存在'))

    for attrib2, value2 in node2_attributes_dict.items():
        result.append('结点1属性：{attrib1} 值：{value1}，结点2属性：{attrib1} 值：{value2}'.format(attrib1='不存在',
                                                                                         value1='不存在',
                                                                                         attrib2=attrib2,
                                                                                         value2=value2))
    return result


def compare_xml_node_children(xml_node1, xml_node2, node1_xpath, node2_xpath):
    def get_node_children(xml_node, node_xpath):
        result = {}
        for child in list(xml_node):
            if child.tag not in result:
                result[child.tag] = [{'node':child, 'xpath': '%s/%s[%s]' % (node_xpath, child.tag, 1)}]
            else:
                result[child.tag].append({'node':child, 'xpath': '%s/%s[%s]' % (node_xpath, child.tag, len(result[child.tag])+1)})
        return result

    result = []
    children_of_node1_dict = get_node_children(xml_node1, node1_xpath)
    children_of_node2_dict = get_node_children(xml_node2, node2_xpath)

    temp_list1 = []
    temp_list2 = []
    for child_tag, child_node_list in children_of_node1_dict.items():
        second_child_node_list = children_of_node2_dict.get(child_tag, [])
        if not second_child_node_list:
            # 获取xml1中比xml2中多出的子结点
            for i in range(0, len(child_node_list)):
                temp_list1.append('%s/%s[%s]' % (node1_xpath, child_node_list[i]['node'].tag, i+1))
            continue

        for first_child, second_child in zip(child_node_list, second_child_node_list):
            result.extend(compare_xml_nodes(first_child['node'], second_child['node'], first_child['xpath'], second_child['xpath']))

        # 获取xml2中对应结点比xml1中对应结点多出的同名子结点
        for i in range(len(child_node_list), len(second_child_node_list)):
            temp_list2.append('%s/%s[%s]' % (node2_xpath, second_child_node_list[i]['node'].tag, i+1))
        children_of_node2_dict.pop(child_tag)

    if temp_list1:
        result.append('子结点不一样：xml1结点(xpath：{xpath1})比xml2结点(xpath：{xpath2})多了以下子结点：\n{differences}'.format (xpath1=node1_xpath,
                                                                                                  xpath2=node2_xpath,
                                                                                                  differences='\n'.join(temp_list1)))
    # 获取xml2比xml1中多出的子结点
    for child_tag, child_node_list in children_of_node2_dict.items():
        for i in range(0, len(child_node_list)):
            temp_list2.append('%s/%s[%s]' % (node1_xpath, child_node_list[i]['node'].tag, i+1))

    if temp_list2:
        result.append('子结点不一样：xml1结点(xpath：{xpath1})比xml2结点(xpath：{xpath2})少了以下子结点：\n{differences}'.format (xpath1=node1_xpath,
                                                                                                  xpath2=node2_xpath,
                                                                                                  differences='\n'.join(temp_list2)))
    return result


def compare_xml_nodes(xml_node1, xml_node2, node1_xpath='', node2_xpath=''):
    result = []
    # 比较标签
    if xml_node1.tag !=  xml_node2.tag:
        result.append('标签不一样：xml1结点(xpath：{xpath1})：{tag1}，xml2结点(xpath：{xpath2})：{tag2}'.format (xpath1=node1_xpath,
                                                                                                  tag1=xml_node1.tag,
                                                                                                  xpath2=node2_xpath,
                                                                                                  tag