利用python实现简单的邮件发送客户端示例
脚本过于简单，供学习和参考。主要了解一下smtplib库的使用和超时机制的实现。使用signal.alarm实现超时机制。
#!/usr/bin/envpython
#-*-coding:utf-8-*-
importtime
importsys
importlogging
importsmtplib
importsocket
importsignal
importConfigParser
fromdatetimeimportdatetime
fromemailimportencoders
fromemail.headerimportHeader
fromemail.mime.textimportMIMEText
fromemail.utilsimportparseaddr,formataddr
CONF_PATH="/etc/zabbix/alarm_email.conf"
logging.basicConfig(level=logging.INFO,
format='%(asctime)s[%(levelname)s]:%(message)s',
filename='/var/log/zabbix/send_alarm_email.log')
classEmailObject:
def__init__(self,to_addr,content):
self.timeout=10
self.retry=3
self.cp=self._parse_config()
self.cpl=self._parse_config().sections()
self.conf=dict(self.cp.items(self.cpl[0]))
#commonhowtouseone
self.to_addr=to_addr
self.content=content
#getConfigParser,forsectionselection
def_parse_config(self):
cp=ConfigParser.ConfigParser()
cp.read(CONF_PATH)
returncp
#setbaseconfig
def_conf_parse(self):
self.subject="zabbix告警"
self.from_addr=self.conf["from_addr"]
self.password=self.conf["password"]
self.smtp_server=self.conf["smtp_server"]
def_msg_parse(self):
#msg=self.content.split("*")
#state="alarm"ifmsg[0]=="PROBLEM"else"ok"
#severity=msg[1]
#head_time=map(int,msg[2].split("."))
#tail_time=map(int,msg[3].split(":"))
##ifnothost?
#event_type="host."+msg[4]
#reason=msg[5].replace("_","")
#alarm_id=int(msg[6])
#message=msg
returnself.content
def_change_server(self):
#iflen=1andthisfuniscalled,meansthatallservershavabeentried
if(len(self.cpl)>1):
self.cpl.pop(0)
self.retry=3
self.conf=dict(self.cp.items(self.cpl[0]))
logging.info("Changeserverto{}".format(self.cpl[0]))
self.send_email()
else:
logging.warning("Noservercouldbeused,trytoconfigmoreserver(nowis{})orincreasethetimeout[{}]!".format(self.cp.sections(),self.timeout))
exit()
defsend_email(self):
#signalhandle
defhandler(signum,frame):
ifself.retry>0:
raiseAssertionError
else:
self._change_server()
self._conf_parse()
from_addr=self.from_addr
password=self.password
smtp_server=self.smtp_server
timeout=self.timeout
to_addr=self.to_addr
msg=MIMEText(self.content,'plain','utf-8')
msg['Subject']=Header(self.subject,'utf-8')
msg['From']='AlarmEmail'+'<'+from_addr+'>'
msg['To']="******@******.com"
try:
signal.signal(signal.SIGALRM,handler)
signal.alarm(timeout)
server=smtplib.SMTP_SSL(smtp_server,465)
server.login(from_addr,password)
server.sendmail(from_addr,to_addr,msg.as_string())
logging.info("Sendemailsuccessfully!From:[{}],To:[{}],Content:[{}]".format(from_addr,to_addr,self.content))
server.quit()
exit()
exceptAssertionError:
self.retry-=1
logging.info("Begintoresendemailforthe{}thtimes".format(3-self.retry))
self.send_email()
exceptsmtplib.SMTPAuthenticationError,e:
logging.error("Server[{}]authenticationfailed".format(smtp_server))
self._change_server()
'''
example:
fromemailtestimportemailtest
eb=emailtest.EmailObject("******@******.com","testcontent")
eb.send_email()
tips:
increasetimeout:
eb.timeout=10
increaseretrytimes:
eb.retry=5
'''
配置文件参考如下：
[default]
from_addr=******@******.com
password=******
smtp_server=smtp.******.com
[163]
from_addr=******@163.com
password=******
smtp_server=smtp.163.com
[qq]
from_addr=******@qq.com
password=******
smtp_server=smtp.qq.com
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