python生成CSV文件并发送邮件
一、前言
在日常运维的过程中,执行脚本,生成excel报表并发送邮件到邮箱是不可避免的,python生成excel的库有很多,这里选择生成csv格式,因为python内置,不需要额外安装模块,而且使用简单。
二、生产CSV代码
# encoding: utf-8 import codecs import csv import datetime import sys reload(sys) sys.setdefaultencoding( "utf-8" ) def to_csv(datas, env): headers = ['ip', u'操作系统', u'分区属性', u'输出返回', u'执行结果'] # newline=''避免出现空行 today = datetime.date.today() filename = "{}-{}.csv".format(env, today) try: with open(filename, 'wb') as f: f.write(codecs.BOM_UTF8) # 标头在这里传入,作为第一行数据 writer = csv.DictWriter(f, headers) writer.writeheader() writer.writerows(datas) except Exception as e: print (u'写入csv错误:' + str(e)) finally: return filename if __name__ == '__main__': data = [{"ip": "192.168.1.2", u'操作系统': "LINUX", u'分区属性': u"x86物理机", u'输出返回': "ok", u'执行结果': u"成功"}, {"ip": "192.168.1.3", u'操作系统': "LINUX", u'分区属性': u"x86物理机", u'输出返回': "error:xxxxxxxxxxx", u'执行结果': u"成功"}, {"ip": "192.168.1.4", u'操作系统': "LINUX", u'分区属性': u"x86虚拟机", u'输出返回': "ok", u'执行结果': u"成功"}, {"ip": "192.168.1.5", u'操作系统': "LINUX", u'分区属性': u"x86虚拟机", u'输出返回': "ok", u'执行结果': u"成功"}] env = "dev" to_csv(data, env)
生成的文件:
二、发送邮件代码
from email.header import Header from email.mime.application import MIMEApplication from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText def send_email(filename): # 发送邮箱服务器 smtpserver = 'xx.xx.xx.xx' # 发送邮箱用户名密码 user = 'xxxxxxx@xx.com.cn' password = '5tgb^YHN' # 发送和接收邮箱 receives = ['xxxxx@xxx.com.cn'] msg = MIMEMultipart() # 创建一个带附件的实例 subject = Header("xxxxxx执行结果", 'utf-8').encode() msg["Subject"] = subject # 指定邮件主题 msg["From"] = user # 邮件发送人 msg["To"] = ','.join(receives) # 邮件接收人,如果存在多个收件人,可用join连接 msg.attach(MIMEText('附件为xxxxx执行结果,请查收!', _subtype='html', _charset='utf-8')) part = MIMEApplication(open(filename, 'rb').read()) part.add_header('Content-Disposition', 'attachment', filename=filename) msg.attach(part) try: s = smtplib.SMTP(smtpserver, timeout=10) # 连接smtp邮件服务器,端口默认是25 s.login(user, password) # 登陆服务器 s.sendmail(user, receives, msg.as_string()) # 发送邮件 s.close() except Exception as e: print ("send email error:"+str(e))
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