Coverage for certbot/notify.py : 100%

"""Send e-mail notification to system administrators.""" 

import email 

import smtplib 

import socket 

import subprocess 

def notify(subject, whom, what): 

"""Send email notification. 

Try to notify the addressee (``whom``) by e-mail, with Subject: 

defined by ``subject`` and message body by ``what``. 

""" 

msg = email.message_from_string(what) 

msg.add_header("From", "Certbot renewal agent <root>") 

msg.add_header("To", whom) 

msg.add_header("Subject", subject) 

msg = msg.as_string() 

try: 

lmtp = smtplib.LMTP() 

lmtp.connect() 

lmtp.sendmail("root", [whom], msg) 

except (smtplib.SMTPHeloError, smtplib.SMTPRecipientsRefused, 

smtplib.SMTPSenderRefused, smtplib.SMTPDataError, socket.error): 

# We should try using /usr/sbin/sendmail in this case 

try: 

proc = subprocess.Popen(["/usr/sbin/sendmail", "-t"], 

stdin=subprocess.PIPE) 

proc.communicate(msg) 

except OSError: 

return False 

return True