forms.py 文件源码

def refund(self):
        amount = self.cleaned_data['amount']
        try:
            self.payment.refund(amount.gross)
        except (PaymentError, ValueError) as e:
            self.add_error(
                None,
                pgettext_lazy(
                    'Payment form error',
                    'Payment gateway error: %s') % e.message)
            return False
        return True