#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
彩虹易支付 Python SDK 示例
文档: https://xxkkfz.cn/apidoc.html
"""
import hashlib
import requests
from collections import OrderedDict

def epay_submit(params, merchant_key):
    """支付下单"""
    # 排序并签名
    ordered = OrderedDict(sorted(params.items()))
    sign_str = '&'.join(f'{k}={v}' for k, v in ordered.items()
                        if k not in ('sign', 'sign_type') and v != '')
    params['sign'] = hashlib.md5((sign_str + merchant_key).encode()).hexdigest()
    params['sign_type'] = 'MD5'
    
    # 请求接口
    resp = requests.post('https://xxkkfz.cn/api/submit.php',
                         data=params, timeout=10)
    return resp.json()


if __name__ == '__main__':
    result = epay_submit({
        'pid': '1001',
        'type': 'alipay',
        'out_trade_no': f'ORDER{int(__import__("time").time())}',
        'notify_url': 'https://你的域名/notify',
        'return_url': 'https://你的域名/return',
        'name': '测试商品',
        'money': '0.01',
    }, '你的商户密钥')
    print(result)