支付宝没有提供Python SDK。生成预付订单需要使用SHA1withRSA签名，签名的生成比较麻烦容易出错。这里提供了一个简单的库，希望能够简化一些Python开发的流程。
目前我们支持如下三种支付方式，且签名类型必须为RSA
关于支付宝移动支付的详细介绍参看这篇教程. 如果你不希望深入了解技术实现的细节，你可以直接参看下面的使用教程。
pip install python-alipay-sdk####初始化
from alipay import AliPay
# 手机网站或者app支付
alipay = AliPay(
notify_url="",
appid="",
app_private_key_path="",
app_alipay_public_key_path=""
)
# 即时到帐
alipay = AliPay(
notify_url="",
partner="",
partner_private_key_path="",
partner_alipay_public_key_path=""
)
# 如果你希望 alipay能够同时处理三种支付方式, 那就传入所有的参数
alipay = AliPay(
notify_url="",
appid="",
app_private_key_path="",
app_alipay_public_key_path="",
partner="",
partner_private_key_path="",
partner_alipay_public_key_path=""
) # App支付，将order_string返回给app即可
order_string = alipay.create_app_trade(out_trade_no="20161112", total_amount="0.01", subject="测试订单")
# 手机网站支付，需要跳转到https://openapi.alipay.com/gateway.do? + order_string
order_string = alipay.create_wap_trade(out_trade_no="20161112", total_amount="0.01", subject="测试订单", return_url="")
# 即时到帐，需要跳转到https://mapi.alipay.com/gateway.do? + order_string
order_string = alipay.create_web_trade(out_trade_no="20161112", total_amount="0.01", subject="测试订单", return_url="") # 验证alipay的异步通知，data来自支付宝回调POST 给你的data，字典格式.
data = {
"subject": "测试订单",
"gmt_payment": "2016-11-16 11:42:19",
"charset": "utf-8",
"seller_id": "xxxx",
"trade_status": "TRADE_SUCCESS",
"buyer_id": "xxxx",
"auth_app_id": "xxxx",
"buyer_pay_amount": "0.01",
"version": "1.0",
"gmt_create": "2016-11-16 11:42:18",
"trade_no": "xxxx",
"fund_bill_list": "[{\"amount\":\"0.01\",\"fundChannel\":\"ALIPAYACCOUNT\"}]",
"app_id": "xxxx",
"notify_time": "2016-11-16 11:42:19",
"point_amount": "0.00",
"total_amount": "0.01",
"notify_type": "trade_status_sync",
"out_trade_no": "xxxx",
"buyer_logon_id": "xxxx",
"notify_id": "xxxx",
"seller_email": "xxxx",
"receipt_amount": "0.01",
"invoice_amount": "0.01",
"sign": "xxx"
}
data.pop("sign_type", "")
signature = data.pop("sign")
# 验证app支付
success = alipay.verify_app_notify(data, signature)
# 验证手机网站支付
success = alipay.verify_wap_notify(data, signature)
# 验证即时到帐
success = alipay.verify_web_notify(data, signature)
if success and (data["trade_status"] == "TRADE_SUCCESS" or data["trade_status"] == "TRADE_FINISHED" ):
print("trade succeed")