看到我raspbian的系统是默认安装motion也是很简单，sudo apt-get install motion就好了。

实现：

网上对motion的配置有比较全面介绍，我这里不再叙述。只需要在配置项中配置好发送邮件的脚本绝对路径即可。例如：on_motion_detected  /home/pi/Desktop/mail_me/sendmail.py。下面直接贴上代码供参考。

#!/usr/bin/bash pythonimport os
import sys
import datetime
import time
import logging
import threading
import smtplib
import subprocess
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText  class SendMaNMOnce(object):"""sending a mail when new file(s) was/were added to the path:jpg_avi_path as a attachment.in case of saving space, ".tar.gz" file is a good choice for the attachment.Args:is_debug, in debug model, stdout is to console, otherwise,file handler.frequece, int, the frequece of sending a mail. example:frequece=60 means every 60 secondsjpg_avi_path, (str), motion result abs path.Exception:All exceptions will be catched and printed."""def __init__(self, is_debug=True, frequece=60, jpg_avi_path='/var/lib/motion'):self.is_debug = is_debugself.frequece = frequeceself.jpg_avi_path = jpg_avi_pathself.alreadystfiles = []try:for root, dirs, files in os.walk(self.jpg_avi_path, topdown=False):for name in files:os.remove(os.path.join(root, name))except Exception as e:self.print_log(e)self.TBsendfls = threading.Thread(target=self.sendmail)self.TBsendfls.start()def __del__(self):self.print_log('del total file:%s' % len(self.alreadystfiles))del self.alreadystfilesdef print_log(self, astring):timestamp = datetime.datetime.now().strftime('[%Y-%m-%d %H:%M:%S] ')if not self.is_debug:log_file = open("sendmail.log", "a")console = sys.stdoutsys.stdout = log_fileprint timestamp +str(astring)log_file.close()sys.stdout = consoleelse:print timestamp +str(astring)def sendmail(self):while 1:filesTBsent = []time.sleep(self.frequece)timestamp = datetime.datetime.now().strftime('%Y%m%d%H%M%S')targz = timestamp +'.tar.gz'[filesTBsent.append(f) for f in os.listdir(self.jpg_avi_path) if f not in self.alreadystfiles and (f.endswith('jpg') or f.endswith('avi'))]def send():self.print_log('start to send a mail...')os.chdir(self.jpg_avi_path)try:self.print_log('file:[%s]' % ' '.join(filesTBsent))os.system("tar -Pzcf %s %s" % (targz, ' '.join(filesTBsent)))except Exception as e:self.print_log(e)sender = 'sender@126.com'  receiver = '1048015805@qq.com'   smtpserver = 'smtp.126.com'  username = 'username'  password = 'password'  msgRoot = MIMEMultipart('related')  msgRoot['Subject'] = '%s' % timestamp msgRoot['from'] = 'raspberry@raspberry.com'msgRoot['to'] = '1048015805@qq.com'if targz in os.listdir(self.jpg_avi_path):self.print_log('file [%s] exists, it`s very good.' % targz)attachment = MIMEText(open(targz, 'rb').read(),'base64', 'utf-8')attachment["Content-Type"] = 'application/octet-stream'  attachment["Content-Disposition"] = 'attachment; filename="%s"' % targzelse:self.print_log('file [%s] not exists, it`s unexpected.' % targz)attachment = MIMEText('file not found', 'plain', 'utf-8')msgRoot.attach(attachment)    smtp = smtplib.SMTP()  smtp.connect(smtpserver)  smtp.login(username,password) smtp.sendmail(sender, receiver, msgRoot.as_string())  smtp.quit()  self.print_log('mail is sending...')self.alreadystfiles += filesTBsenttry:os.remove(targz)except Exception as e:self.print_log('Exception when remove %s'%targz + str(e))self.print_log('end to send a mail...\n')if len(filesTBsent)!=0:self.print_log('%s new pictures found, will mail.'%len(filesTBsent))send()self.print_log('no pictures found.')returnif __name__ == "__main__":s = SendMaNMOnce()

可改进的地方：