admin.py 文件源码

def send(self, request, queryset):
        msgs = []
        sent = 0
        errors = 0
        for reimb in queryset:
            try:
                reimb.send(request.user)
                msgs.append(emails.create_reimbursement_email(reimb, request))
                sent += 1
            except ValidationError as e:
                errors += 1
                logging.error(e.message)

        if msgs:
            connection = mail.get_connection()
            connection.send_messages(msgs)
        if sent > 0 and errors > 0:
            self.message_user(request, (
                "%s reimbursements sent, %s reimbursements not sent. Did you "
                "check that they were invited before and with money assigned?"
                % (sent, errors)), level=messages.WARNING)
        elif sent > 0:
            self.message_user(request, '%s reimbursement sent' % sent,
                              level=messages.SUCCESS)
        else:
            self.message_user(request,
                              'Reimbursement couldn\'t be sent! Did you check '
                              'that app was invited before and with money '
                              'assigned?',
                              level=messages.ERROR)