import chardet
import sys

def send_mail(sender, model, insert=None, insert2=None):
    '''
    发送邮件
    :param sender: 发送者
    :param model: 模板
    :param insert: 插入值
    :param insert2: 插入值2
    :return:
    '''
    if not is_mail_notice:
        return

    if insert is None:
        sender.send(Mail(master_mail, model, 0))
    elif insert2 is None:
        message = model.replace("$1", str(insert))
        sender.send(Mail(master_mail, message, 0))
    else:
        message = model.replace("$1", str(insert)).replace("$2", str(insert2))
        sender.send(Mail(master_mail, message, 0))