Python发送以整个文件夹的内容为附件的邮件的教程

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

from smtplib import SMTP, quotedata, CRLF, SMTPDataError
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email import Encoders
from sys import stderr, stdout
import os
import sys

class ExtendedSMTP(SMTP):
 def data(self, msg):
 self.putcmd("data")
 (code,repl)=self.getreply()
 if self.debuglevel > 0 : print >> stderr, "data:", (code, repl)
 if code != 354:
 raise SMTPDataError(code,repl)
 else:
 q = quotedata(msg)
 if q[-2:] != CRLF:
 q = q + CRLF
 q = q + "." + CRLF

 # begin modified send code
 chunk_size = 2048
 bytes_sent = 0

 while bytes_sent != len(q):
 chunk = q[bytes_sent:bytes_sent+chunk_size]
 self.send(chunk)
 bytes_sent += len(chunk)
 if hasattr(self, "callback"):
 self.callback(bytes_sent, len(q))
 # end modified send code

 (code,msg)=self.getreply()
 if self.debuglevel >0 : print>>stderr, "data:", (code,msg)
 return (code,msg)

def callback(progress, total):
 percent = 100. * progress / total
 stdout.write('
')
 stdout.write("%s bytes sent of %s [%2.0f%%]" % (progress, total, percent))
 stdout.flush()
 if percent >= 100: stdout.write('
')

def sendmail(subject):
 MAIL_FROM = 'mymail@qq.com'
 MAIL_TO = ['mymail@qq.com']
 BAK_DIR = '/path/to/bak/folder'

 msg = MIMEMultipart()
 msg['From'] = MAIL_FROM
 msg['Subject'] = subject

 msg.attach( MIMEText('test send attachment') )
 for filename in os.listdir(BAK_DIR):
 part = MIMEBase('application', "octet-stream")
 part.set_payload(open(os.path.join(BAK_DIR, filename),"rb").read() )
 Encoders.encode_base64(part)
 part.add_header('Content-Disposition', 'attachment; filename="%s"' % os.path.basename(filename))
 msg.attach(part)

 try:
 smtp = ExtendedSMTP()
 smtp.callback = callback
 smtp.connect('smtp.qq.com', 25)
 smtp.login('mymail', 'mypwd')
 smtp.sendmail(MAIL_FROM, MAIL_TO, msg.as_string())
 smtp.close()
 os.system('rm -f %s/*' % BAK_DIR)
 except Exception, e:
 print e

if __name__ == '__main__':
 if len(sys.argv) == 1:
 print 'Please specific a subject'
 print 'Usage: send_files '
 else:
 sendmail(sys.argv[1])

$ chmod +x send_files

$ send_files '邮件标题'