python3 xml_to_dict、dict_to_xml等互相转换的方法

from basic_config_vars.config_vars import moviesAllFilePath,moviesFilePath  #自定义的一些文件变量
import xmltodict
import json
import os
import traceback

class XmlDict():
    def __init__(self):
        pass

    #初始化数据，传入参数1、xml文件路径 2、xml格式字符串 3、json字符串 4、dict字典
    def init_data(self,file_Str_Dict):
        if isinstance(file_Str_Dict,str) and os.path.isfile(file_Str_Dict):
            with open(file_Str_Dict) as fp:
                self.data=fp.read()
        elif isinstance(file_Str_Dict,(str,dict)):
            self.data=file_Str_Dict

    def xml_to_dict(self,file_Str_Dict):
        self.init_data(file_Str_Dict)

        data_orderedD=xmltodict.parse(self.data)
        data_json=json.dumps(data_orderedD,indent=4)
        data_dict=json.loads(data_json)

        return data_dict

    def dicttoxml(self,file_Str_Dict):
        self.init_data(file_Str_Dict)
        if isinstance(self.data,str):
            try:
                self.data=json.loads(self.data)
            except:
                print('传入参数非json或dict类型，无法转换。')
                traceback.print_exc()
                return None
        return xmltodict.unparse(self.data,pretty=True,encoding='gb2312')

if __name__=='__main__':
    #obj=XmlDict(moviesFilePath)

    obj = XmlDict()
    d=obj.xml_to_dict(moviesAllFilePath)
    print(d)
    print('*'*30)
    #print(obj.dicttoxml(json.dumps(d)))
    print(obj.dicttoxml('{"nihao":{"ty":"leixing","fuoran":"feichang"}}'))
    print('hahaha')

XMl文件参考：

<collection shelf="New Arrivals">
    <movie title="Enemy Behind">
       <type>War, Thriller</type>
       <format>DVD</format>
       <year>2003</year>
       <rating>PG</rating>
       <stars>10</stars>
       <description>Talk about a US-Japan war</description>
    </movie>
    <movie title="Transformers">
       <type>Anime, Science Fiction</type>
       <format>DVD</format>
       <year>1989</year>
       <rating>R</rating>
       <stars>8</stars>
       <description>A schientific fiction</description>
    </movie>
       <movie title="Trigun">
       <type>Anime, Action</type>
       <format>DVD</format>
       <episodes>4</episodes>
       <rating>PG</rating>
       <stars>10</stars>
       <description>Vash the Stampede!</description>
    </movie>
    <movie title="Ishtar">
       <type>Comedy</type>
       <format>VHS</format>
       <rating>PG</rating>
       <stars>2</stars>
       <description>Viewable boredom</description>
    </movie>
</collection>