Hi group,
This is my first programme in python ,I need to know whether my code
is in the right path of performance
I wrote a code using multithreading to send mails
FROM = '....com'
SUBJECT = 'This is the subject'
MSGBODY = 'This the body of the message '
MAILSERVER = 'mail....com'
port = 25
username = 'username'
password = 'pass'
# trim the strings of any leading or trailing spaces
FROM = FROM.strip()
SUBJECT = SUBJECT.strip()
MSGBODY = MSGBODY.strip()
MAILSERVER = MAILSERVER.strip()
username = username.strip()
password = password.strip()
# set up email parameters
msg = MIMEMultipart()
msg['From'] = FROM
msg['Subject'] = SUBJECT
#--------------------------------------------------
print "Starting Multi Thread Method"
class MyThread(Thread):
def __init__(self, site, FROM, MSGBODY):
Thread.__init__(self)
self.site = site
self.FROM=FROM
self.MSGBODY=MSGBODY
def run(self):
#Connect to server
print 'Connecting to mail server ', MAILSERVER
try:
s = smtplib.SMTP(MAILSERVER,port)
print 'connected'
#s.set_debuglevel(1)
except:
print 'ERROR: Unable to connect to mail server', sys.exc_info
()[0]
sys.exit(1)
#login to server
if password <> '':
print 'Logging into mail server'
try:
s.login(username,password)
except:
print 'ERROR: Unable to login to mail server',
MAILSERVER
print 'Please recheck your password'
sys.exit(1)
print "running for %s " %self.site
print s
s.sendmail(self.FROM, self.site, self.MSGBODY)
print "from %s" %self.FROM
print "msg %s" %self.MSGBODY
print "Emailed for site %s" %self.site
s.quit()
s.close()
a= time.time()
threads = []
for site in listTo:
T = MyThread(site,FROM,MSGBODY)
threads.append(T)
T.start()
for i in threads:
i.join()
print "Took %s seconds" %str(time.time()-a)
#-----------------------------------------------------
The code Works fine ,but I doubt about the performance issue ,My
intention is to send mails concurrently to large number of mail.
1.For every mail id i send It creates a new SMTP object,in case, if i
send to 1000 or more ids
a) It obliviously creates that much SMPT connections ,is this a
right approach .
Thanks in Advance
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