此示例仅适用于 Python 3.6 以上版本

# encoding: utf-8
import urllib

import requests
import json
import hashlib
import base64
import hmac
import datetime
import uuid
import os
import sys

if sys.version_info.major == 2:
    from urllib import quote

    sys.setdefaultencoding('utf8')
else:
    from urllib.parse import quote
    from importlib import reload
import xml.etree.ElementTree as ET

reload(sys)

METHOD_GET = 'GET'
METHOD_POST = 'POST'
METHOD_HEAD = 'HEAD'
METHOD_PATCH = 'PATCH'
METHOD_PUT = 'PUT'
METHOD_DELETE = 'DELETE'
# file：参数中是否包含文件类型
file = False

def hmac_sha256(secret, data):
    if type(secret) == bytes:
        secret = bytearray(secret)
    else:
        secret = bytearray(secret, 'utf8')
    data = bytearray(data, 'utf8')
    return hmac.new(secret, data, digestmod=hashlib.sha256).digest()


def base64_of_hmac(data):
    return base64.b64encode(data)


def get_request_uuid():
    return str(uuid.uuid1())


def get_sorted_str(data, method):
    """
    鉴权用的参数整理
    :param data: dict 需要整理的参数
    :return: str
    """