ASCII code ordering and md5 encryption

import hashlib

data = {
    "app_key": "25617551",
    "fields": "cid,parent_cid,name,is_parent",
    "format": "json",
    "method ": "taobao.item.seller.get",
    "parent_cid": "0",
    "sign_method ": "md5",
    "timestamp": "2019-06-21 13:05:00",
    "v": "2.0",
    "sign": "AFB4A78BCE0FDB5EFE119ADD9A39762A"
}


class SignatureAndVerification(object):
    """MD5签名和验签"""

    @classmethod
    def data_processing(cls, data):
        """
        :param data: the data to be signed, dictionary type             del Data [" Sign "]        IF" Sign "in Data:        "" "
        : return: string processing format: Parameter Name = Value, and ligated



        if "sign_type" in data:
            del data["sign_type"]
        dataList = []
        for key in sorted(data):
            if data[key]:
                dataList.append("%s%s" % (key, data[key]))
        return "".join(dataList).strip()

    @classmethod
    def md5_sign(cls, data):
        """
        MD5签名
        :param api_key: MD5签名需要的字符串
        :return: 签名后的字符串sign
        """
        data = cls.data_processing(data)  # + api_key.strip()
        md5 = hashlib.md5()
        md5.update(data.encode(encoding='UTF-8'))
        return md5.hexdigest()

    @classmethod
    md5_verify DEF (CLS, Data, Signature): 
        "" " 
        MD5 check test 
        : param data: received data 
        : param signature: received Sign 
        : return: check test results, the Boolean value 
        " "" 
        IF cls.md5_sign (Data ) == Signature: 
            return True 
        the else: 
            return False 


IF the __name__ == '__main__': 
    SignatureAndVerification.data_processing (Data) 
    SignatureAndVerification.md5_sign (Data)

# -*- coding: utf-8 -*-
import requests
import json
from common.md5_sign import SignatureAndVerification


def productlist():
    url = 'http://192.168.106.143:8089/product/tb/items/get?'
    data = {
        "sessionId": "",
        "pageNo": "1",
        "pageSize": "1",
        "keyWord": "女装",
        "sign": ""
    }

    SignatureAndVerification.data_processing(data)  # 按ASCII码排序
    sgin = SignatureAndVerification.md5_sign(data)  # md5加密

    data['sign'] = sgin
    r = requests.post(url, data=data)
    rr = json.dumps(json.loads(r.text), indent=2, ensure_ascii=False)
    print(rr)


def productinfo():
    url = 'http://192.168.106.143:8089/product/tb/info/get?'
    data = {
        "sessionId": "25617551",
        "numIids": "591727331053",
        "sign": ""
    }
    SignatureAndVerification.data_processing(data)  # 按ASCII码排序
    sgin = SignatureAndVerification.md5_sign(data)  # md5加密

    data['sign'] = sgin
    r = requests.post(url, data=data)
    rr = json.dumps(json.loads(r.text), indent=2, ensure_ascii=False)
    print(rr)