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746
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5
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6 See:
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7 - http://pymotw.com/2/smtplib/
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8 - http://www.mkyong.com/python/how-do-send-email-in-python-via-smtplib/
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9 - https://github.com/CognitiveNetworks/daily-reports/blob/master/send_added_tv_count.py
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10 """
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11
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12 import argparse
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13 import email.utils
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14 import os
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15 import smtplib
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16 import sys
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17 from email.mime.text import MIMEText
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18
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19 __all__ = ['main']
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20
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21 class MailSender(object):
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22
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23 def __init__(self, host, sender, password, port=587, type='plain'):
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24 self.host = host
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25 self.sender = sender
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26 self.password = password
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27 self.port = port
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28 self.type = type
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29
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30 def __call__(self, message, *recipients, **headers):
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31
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32 assert recipients
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33
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34 # construct the message
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35 msg = MIMEText(message, self.type)
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36 headers.setdefault('From', self.sender)
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37 headers.setdefault('To', ','.join(recipients))
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38 for key, value in headers.items():
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39 msg[key] = value
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40
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41 # connect to mail server
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42 server = smtplib.SMTP(self.host, self.port)
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43 try:
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44 server.set_debuglevel(True)
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45
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46 # identify ourselves, prompting server for supported features
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47 server.ehlo()
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48
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49 # If we can encrypt this session, do it
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50 if server.has_extn('STARTTLS'):
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51 server.starttls()
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52 server.ehlo() # re-identify ourselves over TLS connection
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53
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54 # login
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55 server.login(self.sender, self.password)
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56
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57 # send the email
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58 server.sendmail(self.sender, recipients, msg.as_string())
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59 finally:
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60 server.quit()
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61
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62 def main(args=sys.argv[1:]):
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63
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64 # parse command line
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65 parser = argparse.ArgumentParser(description=__doc__)
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66 parser.add_argument('host')
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67 parser.add_argument('sender')
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68 parser.add_argument('password')
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69 parser.add_argument('-r', '--recipients', dest='recipients',
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70 nargs='+', required=True,
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71 help="recipients")
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72 parser.add_argument('-m', '--message', dest='message', required=True)
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73 parser.add_argument('--port', dest='port', type=int, default=587,
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74 help="port to connect to [DEFAULT: %(default)s]")
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75 options = parser.parse_args(args)
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76
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77 message = options.message
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78
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79 # instantiate sender
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80 sender = MailSender(options.host, options.sender, options.password, options.port)
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81
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82 # send email
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83 sender(message, *options.recipients)
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84
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85
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86 if __name__ == '__main__':
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87 main()
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