ucloud 签名算法

# Python version：3.6.5
import hashlib
import urllib
from urllib.parse import urlparse

params = {
    "Action": "DescribeUHostInstance",
    "Region":  "cn-bj2",
    "Limit": 10,
    'PublicKey': 'ucloudsomeone@example.com1296235120854146120'

}
private_key = '46f09bb9fab4f12dfc160dae12273d5332b5debe'
def _verfy_ac(private_key, params):
    """
    参考文章：
    https://docs.ucloud.cn/UCloudStack/apiguide/overview?id=_13-%e7%ad%be%e5%90%8d%e7%ae%97%e6%b3%95
    https://docs.ucloud.cn/api/summary/signature
    """
    # 请求参数串
    items=list(params.items())
    # 将参数串排序
    items.sort()
    # 拼接
    params_data = "";
    for key, value in items:
        params_data = params_data + str(key) + str(value)
    params_data = params_data + private_key
    # 生成的Signature值
    sign = hashlib.sha1()
    sign.update(params_data.encode("utf-8"))
    signature = sign.hexdigest()
    return signature

def

a = _verfy_ac(private_key,params)
print(a)
if a == 'cba5cf5ec4d4233d206b1b54951e3787350a642f':
    print('sucess')