#!/usr/bin/env python
# -*- coding: utf-8 -*-
# python 3.5

import re
import os
import smtplib
from io import StringIO
from validate_email import validate_email
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart

class PYMAIL:
	def __init__(self):
		self.from_mail = "[email protected]
 
"
		self.from_mail_pwd = "xxxxx"
		self.smtp_server = "smtp.139.com"
		self.smtp_port = 25
	
	"""
	def send_mail(self, to_mail,subject,content):
		try:
			msg = MIMEText( content ,'plain','utf-8')
			msg['From'] = self.from_mail
			msg['To'] = to_mail
			msg['Subject'] = subject
			smtp = smtplib.SMTP(self.smtp_server, self.smtp_port)
			smtp.starttls()
			smtp.login(self.from_mail , self.from_mail_pwd)
			smtp.sendmail(self.from_mail, to_mail, msg.as_string())
			smtp.quit()
			print("傳送成功！")
		except smtplib.SMTPException as err:
			print("傳送失敗！")
			print(str(err))
	"""
	def check_mail(self ,maillist):
		to_maillist = []
		if maillist:
			for mail in maillist:
				if re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', mail):
					if validate_email(mail,verify=True) != None:
						to_maillist.append(mail)
					else:
						raise Exception("Invalid email address: %s" % mail)
				else:
					raise Exception("Invalid email format: %s" % mail)
		else:
			raise Exception("Receive email can not be null!")
		return to_maillist
	
	#Can add attachment or not.
	def send_mail_with_attachment(self, to_mail,subject,content,filelist):
		to_maillist = self.check_mail(to_mail)
		try:
			msg = MIMEMultipart()
			msg['From'] = self.from_mail
			msg['To'] = ", ".join(to_maillist)
			msg['Subject'] = subject
			msg.attach(MIMEText( content ,'plain','utf-8'))
			
			#add attachment
			if filelist:
				for file in filelist:
					if os.path.isfile(file):
						path, filename = os.path.split(file)
						part = MIMEText(open(file, 'rb').read(), 'base64', 'utf-8')
						part["Content-Disposition"] = 'attachment; filename="%s"' % os.path.basename(filename)
						msg.attach(part)
					else:
						raise Exception("The file [%s] is not exists!" % file)
			
			smtp = smtplib.SMTP(self.smtp_server, self.smtp_port)
			smtp.starttls()
			smtp.login(self.from_mail , self.from_mail_pwd)
			smtp.sendmail(self.from_mail, to_maillist, msg.as_string())
			smtp.quit()
			print("Mail Success！")
		except smtplib.SMTPException as err:
			print("Mail failure！")
			print(str(err))
			
			
if __name__ == "__main__":
	to_mail = ["
 
[email protected]","[email protected]"]
	subject = "test subject"
	content = "test mail!~"
	filelist = ["D:/Python35/mypy/test.py","D:/Python35/mypy/op.py"]
	mymail = PYMAIL()
	mymail.send_mail_with_attachment(to_mail,subject,content,filelist)