1，腾讯云api的签名生成及使用

#! /usr/bin/python3
# -*- coding:utf-8 -*-

SecretId=‘AKID79vAsfgdfgdfhdrturt9R4092SmrtyiyRhHDeRpxcA5apcIK3AWc‘
SecretKey=‘ziDgvpV9WegT071dtghdfgfjf5ykjyFuQvFhfhjhjfhjfNE1Zwxvrgq‘

import time
uri = ‘cvm.tencentcloudapi.com‘

paramDict = {
    ‘Action‘:‘DescribeRegions‘,
    ‘Version‘:‘2017-03-12‘,
    ‘SecretId‘:SecretId,
    ‘Nonce‘:123456,
    ‘Timestamp‘:int(time.time()),
}

tempList = []
tempDict = {}

for eveKey,eveValue in paramDict.items():
    tempLowerData =eveKey.lower()
    tempList.append(tempLowerData)
    tempDict[tempLowerData] = eveKey
tempList.sort()
print(tempDict)
print(tempList)

resultList = []
for eveData in tempList:
    tempStr = str(tempDict[eveData]) + ‘=‘ + str(paramDict[tempDict[eveData]])
    resultList.append(tempStr)
print(resultList)

sourceStr = ‘&‘.join(resultList)
print(sourceStr)

requestStr = ‘%s%s%s%s%s‘ %(‘GET‘,uri,‘/‘,‘?‘,sourceStr)

print(requestStr)

import sys
if sys.version_info[0] > 2:
    signStr = requestStr.encode(‘utf-8‘)
    print(signStr)
    SecretKey = SecretKey.encode(‘utf-8‘)

import hashlib
digestmod = hashlib.sha1

import hmac
hashed = hmac.new(SecretKey,signStr,digestmod)

import binascii
base64Data = binascii.b2a_base64(hashed.digest())[:-1]
print(type(base64Data))

if sys.version_info[0] > 2:
    base64Data.decode()

import urllib.parse
base64Data = urllib.parse.quote(base64Data)
url = "https://" + uri + ‘/‘ + ‘?‘ + sourceStr + ‘&Signature=‘ + base64Data
print(url)

import urllib.request
import json

#print(urllib.request.urlopen(url).read().decode(‘utf-8‘))
for eveData in json.loads(urllib.request.urlopen(url).read().decode(‘utf-8‘))[‘Response‘][‘RegionSet‘]:
    print(eveData)