import cv2
 import smtplib
 import sys
 import os
 import time
 from email.mime.image import MIMEImage
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText

smtpserver = 'smtp.163.com'   # smtp服务器
username = '888888888@163.com' # 发件邮箱账号
password = '888888888'   # 邮箱登录密码
sender  = '888888888@163.com' # 发件人
addressee = '999999999@qq.com'  # 收件人
exit_count = 5      # 尝试联网次数
path  = os.getcwd()   #获取图片保存路径 

def getPicture():
 cap = cv2.VideoCapture(0)
 ret, frame = cap.read()
 cv2.imwrite(path+'/person.jpg', frame)
 # 关闭摄像头
 cap.release()

def setMsg():
 # 下面依次为邮件类型，主题，发件人和收件人。
 msg = MIMEMultipart('mixed')
 msg['Subject'] = '电脑已经启动'
 msg['From'] = '88888888888@163.com <88888888888@163.com>'
 msg['To'] = addressee
 # 下面为邮件的正文
 text = "主人，你的电脑已经开机！
照片如下！"
 text_plain = MIMEText(text, 'plain', 'utf-8')
 msg.attach(text_plain)
 # 构造图片链接
 sendimagefile = open(path+'/person.jpg', 'rb').read()
 image = MIMEImage(sendimagefile)
 # 下面一句将收件人看到的附件照片名称改为people.png。
 image["Content-Disposition"] = 'attachment; filename="people.png"'
 msg.attach(image)
 return msg.as_string()

def sendEmail(msg):
 # 发送邮件
 smtp = smtplib.SMTP()
 smtp.connect('smtp.163.com')
 smtp.login(username, password)
 smtp.sendmail(sender, addressee, msg)
 smtp.quit()

# 判断网络是否联通,成功返回0，不成功返回1
# linux中ping命令不会自动停止，需要加入参数 -c 4，表示在发送指定数目的包后停止。
def isLink():
 return os.system('ping -c 4 www.baidu.com')
 # return os.system('ping www.baidu.com')   

def main():
 reconnect_times = 0
 while isLink():
  time.sleep(10)
  reconnect_times += 1
  if reconnect_times == exit_count:
   sys.exit()
 getPicture()
 msg = setMsg()
 sendEmail(msg)

#切换到我们获取照片和发送邮件的工作目录
cd /home/projects/sendemail
#执行发送邮件的脚本
python2 sendEmile.py