refund.py 2.7 KB

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  1. # -*- coding: utf-8 -*-
  2. from __future__ import absolute_import, unicode_literals
  3. from library.wechatpy.pay.base import BaseWeChatPayAPI
  4. class WeChatRefund(BaseWeChatPayAPI):
  5. def apply(self, total_fee, refund_fee, out_refund_no, transaction_id=None,
  6. out_trade_no=None, fee_type='CNY', op_user_id=None,
  7. device_info=None, refund_account='REFUND_SOURCE_UNSETTLED_FUNDS',
  8. notify_url=None, refund_desc=''):
  9. """
  10. 申请退款
  11. :param total_fee: 订单总金额,单位为分
  12. :param refund_fee: 退款总金额,单位为分
  13. :param out_refund_no: 商户系统内部的退款单号,商户系统内部唯一,同一退款单号多次请求只退一笔
  14. :param transaction_id: 可选,微信订单号
  15. :param out_trade_no: 可选,商户系统内部的订单号,与 transaction_id 二选一
  16. :param fee_type: 可选,货币类型,符合ISO 4217标准的三位字母代码,默认人民币:CNY
  17. :param op_user_id: 可选,操作员帐号, 默认为商户号
  18. :param device_info: 可选,终端设备号
  19. :param refund_account: 可选,退款资金来源,仅针对老资金流商户使用,默认使用未结算资金退款
  20. :param notify_url: 可选,异步接收微信支付退款结果通知的回调地址
  21. :return: 返回的结果数据
  22. """
  23. data = {
  24. 'appid': self.appid,
  25. 'device_info': device_info,
  26. 'transaction_id': transaction_id,
  27. 'out_trade_no': out_trade_no,
  28. 'out_refund_no': out_refund_no,
  29. 'total_fee': total_fee,
  30. 'refund_fee': refund_fee,
  31. 'refund_fee_type': fee_type,
  32. 'op_user_id': op_user_id if op_user_id else self.mch_id,
  33. 'refund_account': refund_account,
  34. 'notify_url': notify_url,
  35. 'refund_desc': refund_desc
  36. }
  37. return self._post('secapi/pay/refund', data=data)
  38. def query(self, refund_id=None, out_refund_no=None, transaction_id=None,
  39. out_trade_no=None, device_info=None):
  40. """
  41. 查询退款
  42. :param refund_id: 微信退款单号
  43. :param out_refund_no: 商户退款单号
  44. :param transaction_id: 微信订单号
  45. :param out_trade_no: 商户系统内部的订单号
  46. :param device_info: 可选,终端设备号
  47. :return: 返回的结果数据
  48. """
  49. data = {
  50. 'appid': self.appid,
  51. 'device_info': device_info,
  52. 'transaction_id': transaction_id,
  53. 'out_trade_no': out_trade_no,
  54. 'out_refund_no': out_refund_no,
  55. 'refund_id': refund_id,
  56. }
  57. return self._post('pay/refundquery', data=data)