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| #! /usr/bin/env python
# -*- coding:utf-8 -*-
# xml 转 json
# xml2json.py
# Version 1.0
from xml.parsers.expat import ParserCreate
import json
class Xml2Json:
LIST_TAGS = ['COMMANDS']
def __init__(self, data = None):
self._parser = ParserCreate()
self._parser.StartElementHandler = self.start
self._parser.EndElementHandler = self.end
self._parser.CharacterDataHandler = self.data
self.result = None
if data:
self.feed(data)
self.close()
def feed(self, data):
self._stack = []
self._data = ''
self._parser.Parse(data, 0)
def close(self):
self._parser.Parse("", 1)
del self._parser
def start(self, tag, attrs):
assert attrs == {}
assert self._data.strip() == ''
self._stack.append([tag])
self._data = ''
def end(self, tag):
last_tag = self._stack.pop()
assert last_tag[0] == tag
if len(last_tag) == 1: #leaf
data = self._data
else:
if tag not in Xml2Json.LIST_TAGS:
# build a dict, repeating pairs get pushed into lists
data = {}
for k, v in last_tag[1:]:
if k not in data:
data[k] = v
else:
el = data[k]
if type(el) is not list:
data[k] = [el, v]
else:
el.append(v)
else: #force into a list
data = [{k:v} for k, v in last_tag[1:]]
if self._stack:
self._stack[-1].append((tag, data))
else:
self.result = {tag:data}
self._data = ''
def data(self, data):
self._data = data
if __name__ == '__main__':
xml = open("京东手机列表_1.xml", 'r', encoding='UTF-8').read()
result = Xml2Json(xml).result;
outputfile = open("京东手机列表_1.json", 'w', encoding='UTF-8')
outputfile.write(str(result))
outputfile.close()
|