Python3 腾讯云api签名

import requests
import sys
import json
import hashlib
import time
import base64
import hmac
import random

class Qcloud(object):
	def __init__(self,config,Id,key):
            self.config = config
            self.url = 'https://cdn.api.qcloud.com/v2/index.php'
            self.id  = ''
            self.Key = ''

	def Auth(self):
            data