阿里云短信的 Python sdk 简直无法直视：1）居然直接提供下载链接，而不能 pip install；2）不支持 Python 3；3）Python 写出了 Java 的感觉。。。以下是 Python 3 的一个简化版本，由同事提供，我做了简单调整。

alisms.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import base64
import datetime
import hmac
import json
import urllib
import uuid

import requests


def quote(text):
    return urllib.parse.quote(text, safe='~')


def stringify(**kwargs):
    pairs = []
    for k, v in sorted(kwargs.items()):
        pairs.append('{}={}'.format(k, v))
    return '&'.join(pairs)


def canonicalize(**kwargs):
    pairs = []
    for k, v in sorted(kwargs.items()):
        pair = '{}={}'.format(quote(k), quote(v))
        pairs.append(pair)
    return quote('&'.join(pairs))


def sign(text, secret):
    text = text.encode('utf-8')
    key = (secret + '&').encode('utf-8')
    digest = hmac.new(key, text, 'sha1').digest()
    signture = quote(base64.b64encode(digest))
    return signture


class AliSMS(object):

    _defaults = [
        ('action', 'SendSms'),
        ('format', 'JSON'),
        ('region_id', 'cn-hangzhou'),
        ('signature_method', 'HMAC-SHA1'),
        ('signature_version', '1.0'),
        ('sms_version', '2017-05-25'),
        ('domain', 'https://dysmsapi.aliyuncs.com'),
    ]

    def __init__(self, app_key, app_secret, sign_name, **settings):
        for k, v in self._defaults:
            setattr(self, k, settings.get(k, v))

        self.app_key = app_key
        self.app_secret = app_secret
        self.sign_name = sign_name

    def send(self, phone, template_code, template_params):
        body = self._create_body(phone, template_code, template_params)
        headers = {
            'content-type': 'application/x-www-form-urlencoded',
        }
        res = requests.post(self.domain, data=body, headers=headers)
        return res

    def _create_body(self, phone, template_code, template_params):
        params = self._create_params(phone, template_code, template_params)
        text = 'POST&%2F&' + canonicalize(**params)
        signture = sign(text, self.app_secret)
        body = 'Signature={}&{}'.format(signture, stringify(**params))
        return body.encode('utf-8')

    def _create_params(self, phone, template_code, template_params):
        return {
            'AccessKeyId': self.app_key,
            'Action': self.action,
            'Format': self.format,
            'PhoneNumbers': phone,
            'RegionId': self.region_id,
            'SignName': self.sign_name,
            'SignatureMethod': self.signature_method,
            'SignatureNonce': str(uuid.uuid4()),
            'SignatureVersion': self.signature_version,
            'TemplateCode': template_code,
            'TemplateParam': json.dumps(template_params),
            'Timestamp': datetime.datetime.utcnow().isoformat("T"),
            'Version': self.sms_version,
        }


if __name__ == '__main__':
    app_key = 'your_app_key'
    app_secret = 'your_app_secret'
    sign_name = 'your_sign_name'
    template_code = 'your_template_code:SMS_123456789'
    template_params = {
        'code': 'your_code'
    }
    sms = AliSMS(app_key, app_secret, sign_name)
    resp = sms.send('the_phone_number', template_code, template_params)
    print(resp.status_code, resp.json())

感谢代码，阿里云的sdk真的不忍直视

Nice work.