payment-platform/backend/app/core/alipay/client.py

from typing import cast
from alipay.aop.api.DefaultAlipayClient import DefaultAlipayClient

from app.core.alipay.config import get_alipay_config
from loguru import logger


class AlipayClient:
    """支付宝客户端工具类"""

    _client: DefaultAlipayClient | None = None

    @classmethod
    def get_client(cls) -> DefaultAlipayClient:
        """获取支付宝客户端实例"""
        if cls._client is None:
            cls._client = DefaultAlipayClient(
                alipay_client_config=get_alipay_config().to_alipay_client_config(),
                logger=logger,
            )
        return cast(DefaultAlipayClient, cls._client)