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def func_data(text):

    data = dict()

    for kv in text.split(','):

        k_v = kv.split(':')

        data[k_v[0]] = k_v[1]

    return data

import json

import xml.etree.cElementTree as ET

from urllib.parse import urlparse

>>> a = '{"msg_content": {"msg_type": "wechat_msg", "data": "{\\"msgId\\":829,\\"content\\":\\"<msg>\\\\n<appmsg appid=\\\\\\"\\\\\\" sdkver=\\\\\\"\\\\\\">\\\\n<des><![CDATA[\\u6211\\u7ed9\\u4f60\\u53d1\\u4e86\\u4e00\\u4e2a\\u7ea2\\u5305\\uff0c\\u8d76\\u7d27\\u53bb\\u62c6!]]><\\\\/des>\\\\n<url><![CDATA[https:\\\\/\\\\/wxapp.tenpay.com\\\\/mmpayhb\\\\/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\\\/url>\\\\n<type><![CDATA[2001]]><\\\\/type>\\\\n<title><![CDATA[\\u5fae\\u4fe1\\u7ea2\\u5305]]><\\\\/title>\\\\n<thumburl><![CDATA[http:\\\\/\\\\/wx.gtimg.com\\\\/hongbao\\\\/1701\\\\/hb.png]]><\\\\/thumburl>\\\\n\\\\n<wcpayinfo>\\\\n<templateid><![CDATA[7a2a165d31da7fce6dd77e05c300028a]]><\\\\/templateid>\\\\n<url><![CDATA[https:\\\\/\\\\/wxapp.tenpay.com\\\\/mmpayhb\\\\/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\\\/url>\\\\n<iconurl><![CDATA[http:\\\\/\\\\/wx.gtimg.com\\\\/hongbao\\\\/1701\\\\/hb.png]]><\\\\/iconurl>\\\\n<receivertitle><![CDATA[Best wishes]]><\\\\/receivertitle>\\\\n<sendertitle><![CDATA[Best wishes]]><\\\\/sendertitle>\\\\n<scenetext><![CDATA[\\u5fae\\u4fe1\\u7ea2\\u5305]]><\\\\/scenetext>\\\\n<senderdes><![CDATA[\\u67e5\\u770b\\u7ea2\\u5305]]><\\\\/senderdes>\\\\n<receiverdes><![CDATA[\\u9886\\u53d6\\u7ea2\\u5305]]><\\\\/receiverdes>\\\\n<nativeurl><![CDATA[wxpay:\\\\/\\\\/c2cbizmessagehandler\\\\/hongbao\\\\/receivehongbao?msgtype=1&channelid=1&sendid=1000039501201705266007246104036&sendusername=wxid_ar4tit68b6fa22&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\\\/nativeurl>\\\\n<sceneid><![CDATA[1002]]><\\\\/sceneid>\\\\n<innertype><![CDATA[0]]><\\\\/innertype>\\\\n\\\\n\\\\n\\\\n<scenetext>\\u5fae\\u4fe1\\u7ea2\\u5305<\\\\/scenetext>\\\\n\\\\n\\\\n\\\\n\\\\n<\\\\/wcpayinfo>\\\\n<\\\\/appmsg>\\\\n<fromusername><![CDATA[wxid_ar4tit68b6fa22]]><\\\\/fromusername>\\\\n<\\\\/msg>\\",\\"createTime\\":1495763217000,\\"msgSvrId\\":6367525297935218796,\\"time\\":1495763221114,\\"isSend\\":0,\\"wxid\\":\\"wxid_ar4tit68b6fa22\\"}", "mid": 1495763221157}, "device_id": "993654e2"}'

>>> b = json.loads(a)

>>> b

{'msg_content': {'msg_type': 'wechat_msg', 'data': '{"msgId":829,"content":"<msg>\\n<appmsg appid=\\"\\" sdkver=\\"\\">\\n<des><![CDATA[我给你发了一个红包，赶紧去拆!]]><\\/des>\\n<url><![CDATA[https:\\/\\/wxapp.tenpay.com\\/mmpayhb\\/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\/url>\\n<type><![CDATA[2001]]><\\/type>\\n<title><![CDATA[微信红包]]><\\/title>\\n<thumburl><![CDATA[http:\\/\\/wx.gtimg.com\\/hongbao\\/1701\\/hb.png]]><\\/thumburl>\\n\\n<wcpayinfo>\\n<templateid><![CDATA[7a2a165d31da7fce6dd77e05c300028a]]><\\/templateid>\\n<url><![CDATA[https:\\/\\/wxapp.tenpay.com\\/mmpayhb\\/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\/url>\\n<iconurl><![CDATA[http:\\/\\/wx.gtimg.com\\/hongbao\\/1701\\/hb.png]]><\\/iconurl>\\n<receivertitle><![CDATA[Best wishes]]><\\/receivertitle>\\n<sendertitle><![CDATA[Best wishes]]><\\/sendertitle>\\n<scenetext><![CDATA[微信红包]]><\\/scenetext>\\n<senderdes><![CDATA[查看红包]]><\\/senderdes>\\n<receiverdes><![CDATA[领取红包]]><\\/receiverdes>\\n<nativeurl><![CDATA[wxpay:\\/\\/c2cbizmessagehandler\\/hongbao\\/receivehongbao?msgtype=1&channelid=1&sendid=1000039501201705266007246104036&sendusername=wxid_ar4tit68b6fa22&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\/nativeurl>\\n<sceneid><![CDATA[1002]]><\\/sceneid>\\n<innertype><![CDATA[0]]><\\/innertype>\\n\\n\\n\\n<scenetext>微信红包<\\/scenetext>\\n\\n\\n\\n\\n<\\/wcpayinfo>\\n<\\/appmsg>\\n<fromusername><![CDATA[wxid_ar4tit68b6fa22]]><\\/fromusername>\\n<\\/msg>","createTime":1495763217000,"msgSvrId":6367525297935218796,"time":1495763221114,"isSend":0,"wxid":"wxid_ar4tit68b6fa22"}', 'mid': 1495763221157}, 'device_id': '993654e2'}

>>> data = b.get('msg_content').get('data')

>>> data

'{"msgId":829,"content":"<msg>\\n<appmsg appid=\\"\\" sdkver=\\"\\">\\n<des><![CDATA[我给你发了一个红包，赶紧去拆!]]><\\/des>\\n<url><![CDATA[https:\\/\\/wxapp.tenpay.com\\/mmpayhb\\/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\/url>\\n<type><![CDATA[2001]]><\\/type>\\n<title><![CDATA[微信红包]]><\\/title>\\n<thumburl><![CDATA[http:\\/\\/wx.gtimg.com\\/hongbao\\/1701\\/hb.png]]><\\/thumburl>\\n\\n<wcpayinfo>\\n<templateid><![CDATA[7a2a165d31da7fce6dd77e05c300028a]]><\\/templateid>\\n<url><![CDATA[https:\\/\\/wxapp.tenpay.com\\/mmpayhb\\/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\/url>\\n<iconurl><![CDATA[http:\\/\\/wx.gtimg.com\\/hongbao\\/1701\\/hb.png]]><\\/iconurl>\\n<receivertitle><![CDATA[Best wishes]]><\\/receivertitle>\\n<sendertitle><![CDATA[Best wishes]]><\\/sendertitle>\\n<scenetext><![CDATA[微信红包]]><\\/scenetext>\\n<senderdes><![CDATA[查看红包]]><\\/senderdes>\\n<receiverdes><![CDATA[领取红包]]><\\/receiverdes>\\n<nativeurl><![CDATA[wxpay:\\/\\/c2cbizmessagehandler\\/hongbao\\/receivehongbao?msgtype=1&channelid=1&sendid=1000039501201705266007246104036&sendusername=wxid_ar4tit68b6fa22&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]><\\/nativeurl>\\n<sceneid><![CDATA[1002]]><\\/sceneid>\\n<innertype><![CDATA[0]]><\\/innertype>\\n\\n\\n\\n<scenetext>微信红包<\\/scenetext>\\n\\n\\n\\n\\n<\\/wcpayinfo>\\n<\\/appmsg>\\n<fromusername><![CDATA[wxid_ar4tit68b6fa22]]><\\/fromusername>\\n<\\/msg>","createTime":1495763217000,"msgSvrId":6367525297935218796,"time":1495763221114,"isSend":0,"wxid":"wxid_ar4tit68b6fa22"}'

>>> _data = json.loads(data)

>>> _data

{'content': '<msg>\n<appmsg appid="" sdkver="">\n<des><![CDATA[我给你发了一个红包，赶紧去拆!]]></des>\n<url><![CDATA[https://wxapp.tenpay.com/mmpayhb/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]></url>\n<type><![CDATA[2001]]></type>\n<title><![CDATA[微信红包]]></title>\n<thumburl><![CDATA[http://wx.gtimg.com/hongbao/1701/hb.png]]></thumburl>\n\n<wcpayinfo>\n<templateid><![CDATA[7a2a165d31da7fce6dd77e05c300028a]]></templateid>\n<url><![CDATA[https://wxapp.tenpay.com/mmpayhb/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]></url>\n<iconurl><![CDATA[http://wx.gtimg.com/hongbao/1701/hb.png]]></iconurl>\n<receivertitle><![CDATA[Best wishes]]></receivertitle>\n<sendertitle><![CDATA[Best wishes]]></sendertitle>\n<scenetext><![CDATA[微信红包]]></scenetext>\n<senderdes><![CDATA[查看红包]]></senderdes>\n<receiverdes><![CDATA[领取红包]]></receiverdes>\n<nativeurl><![CDATA[wxpay://c2cbizmessagehandler/hongbao/receivehongbao?msgtype=1&channelid=1&sendid=1000039501201705266007246104036&sendusername=wxid_ar4tit68b6fa22&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be]]></nativeurl>\n<sceneid><![CDATA[1002]]></sceneid>\n<innertype><![CDATA[0]]></innertype>\n\n\n\n<scenetext>微信红包</scenetext>\n\n\n\n\n</wcpayinfo>\n</appmsg>\n<fromusername><![CDATA[wxid_ar4tit68b6fa22]]></fromusername>\n</msg>', 'isSend': 0, 'time': 1495763221114, 'wxid': 'wxid_ar4tit68b6fa22', 'msgSvrId': 6367525297935218796, 'createTime': 1495763217000, 'msgId': 829}

>>> red_packet_content = _data.get('content')

>>> red_packet_tree = ET.fromstring(red_packet_content.replace('\\/', '/'))

>>> red_url = ''

>>>

>>> for sendertitle in red_packet_tree.iter(tag='sendertitle'):

...     print(sendertitle.text)

...     remarks = sendertitle.text

...

Best wishes

>>> for url in red_packet_tree.iter(tag='url'):

...     red_url = url.text

...

>>> for url in red_packet_tree.iter(tag='url'):

...     red_url = url.text

...     print(url.text)

...

https://wxapp.tenpay.com/mmpayhb/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be

https://wxapp.tenpay.com/mmpayhb/wxhb_personalreceive?showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be

>>> from urllib.parse import urlparse

>>>

>>> _url_value = urlparse(red_url).query
>>> print(_url_value)
showwxpaytitle=1&msgtype=1&channelid=1&sendid=1000039501201705266007246104036&ver=6&sign=1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be

>>> url_value = (_url_value.replace('&', ',')).replace('=', ':')

>>> print(url_value)

showwxpaytitle:1,msgtype:1,channelid:1,sendid:1000039501201705266007246104036,ver:6,sign:1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be

>>> def func_data(text):

...     data = dict()

...     for kv in text.split(','):

...         k_v = kv.split(':')

...         data[k_v[0]] = k_v[1]

...     return data

...

>>> sendid = func_data(url_value).get('sendid')

>>> print(sendid)

1000039501201705266007246104036

>>> sign = func_data(url_value).get('sign')

>>> print(sign)

1e933b4942c56a30fb5f998283b953a421a8219ac9ccc6b3756095ce0a04c727208a41bf836a4ad7068c0777b02a0f4e76501369ae011652138910bbf6218fe947080afee1041c0d39641e779cd3f90dc2665a6ae496aedae1035ac18821d9be

>>>