Language：Python  
Python version：2.7+  
Releass ^1.4.30
Copyright：Ant financial services group  

from com.alipay.ams.api.model.merchant import Merchant
from com.alipay.ams.api.model.amount import Amount
from com.alipay.ams.api.model.settlement_strategy import SettlementStrategy
from com.alipay.ams.api.model.order import Order
from com.alipay.ams.api.model.product_code_type import ProductCodeType
from com.alipay.ams.api.model.payment_method import PaymentMethod
from com.alipay.ams.api.model.env import Env
from com.alipay.ams.api.model.goods import Goods
from com.alipay.ams.api.model.terminal_type import TerminalType
from com.alipay.ams.api.model.os_type import OsType
from com.alipay.ams.api.model.result_status_type import ResultStatusType
from com.alipay.ams.api.default_alipay_client import DefaultAlipayClient
from com.alipay.ams.api.request.pay.alipay_pay_request import AlipayPayRequest
from com.alipay.ams.api.response.pay.alipay_pay_response import AlipayPayResponse

MERCHANT_PRIVATE_KEY = ""
ALIPAY_PUBLIC_KEY = ""
CLIENT_ID = ""
GATEWAY_HOST = ""



default_alipay_client = DefaultAlipayClient("https://open-na.alipay.com", CLIENT_ID, MERCHANT_PRIVATE_KEY,
                                            ALIPAY_PUBLIC_KEY)

alipay_pay_request = AlipayPayRequest()

alipay_pay_request.product_code = ProductCodeType.AGREEMENT_PAYMENT
alipay_pay_request.payment_notify_url = "https://www.yourNotifyUrl.com"
alipay_pay_request.payment_redirect_url = "https://www.yourRedirectUrl.com"
alipay_pay_request.payment_request_id = "pay_python_test"

payment_method = PaymentMethod()
payment_method.payment_method_type = "GCASH"
payment_method.payment_method_id = "20200404095550158596535057754730166962669640ZMvNAaATop"
alipay_pay_request.payment_method = payment_method

amount = Amount("PHP", "10000")
alipay_pay_request.payment_amount = amount

order = Order()
order.reference_order_id = "102775765675669"
order.order_description = "Mi Band 3 Wrist Strap Metal Screwless Stainless Steel For Xiaomi Mi Band 3"
order.order_amount = amount

goods_arr = []
good = Goods()
good.goods_brand = "goods_brand"
good.goods_name = "goods_name"
goods_arr.append(good)
order.goods = goods_arr

merchant = Merchant()
merchant.merchant_mcc = "merchantMcc"
merchant.reference_merchant_id = "referenceMerchantId"

order.merchant = merchant
alipay_pay_request.order = order

settlement_strategy = SettlementStrategy()
settlement_strategy.settlement_currency = "USD"
alipay_pay_request.settlement_strategy = settlement_strategy

env = Env()
env.terminal_type = TerminalType.APP
env.os_type = OsType.IOS
alipay_pay_request.env = env

# alipay_pay_request.is_authorization = "true"

print(alipay_pay_request.to_ams_json())

rsp_body = default_alipay_client.execute(alipay_pay_request)

alipay_pay_response = AlipayPayResponse(rsp_body)

if alipay_pay_response.result.result_status.name != ResultStatusType.F.name:
    print(alipay_pay_response.payment_id)
    print(alipay_pay_response.payment_create_time)
else:
    print(alipay_pay_response.result.result_message)

from com.alipay.ams.api.tools.signature_tool import *

sign(http_method, path, client_id, req_time, req_body, merchant_private_key)
verify(http_method, path, client_id, rsp_time, rsp_body, rsp_signature, alipay_public_key)