** directory to find last modified files (html result), the report is sent to the specified mailbox qq

import unittest,HTMLTestRunner
import os
def runa():
    path=os.getcwd()
    print(path)
    a=unittest.defaultTestLoader.discover(path,
                                          pattern='login*.py')
    al=unittest.TestSuite()
    al.addTest(a)
    #print(al)
    return al

import os,time
from email.mime.text import MIMEText
#from email.header import Header
from email.utils import formataddr
import smtplib
def lu(path):
    filesn=os.listdir(path)
    filesn.sort(key=lambda x:os.path.getmtime(path+x))
    #luf=path+filesn[-1]
    luf=os.path.join(path+filesn[-1])
    return luf
#Print (LU ( "D: \\ \\ test1204 python_api_test Study \\ \\")) 
DEF send_out (LUF): 
    X = Open (LUF, 'RB') 
    In Email = x.read () 
    x.close () 
    usernames='[email protected] ' 
    passwd =' clpuvarbapocagj '# here wrong password, run, change to the correct password 
    sender='[email protected]' 
    receiver='[email protected] ' 
    the Message = MimeText (Email , 'HTML', 'UTF-. 8') 
    Message [ 'the Subject'] = "automated test results" 
    Message [ 'the From'] = formataddr ([ "Hui", SENDER]) 
    Message [ 'the To'] = formataddr ([ "xixi", Receiver]) 
    Message [ 'Data'] = The time.strftime ( "% A,% B% D% the Y% H:% M:% S% Z") 
    SMTP = smtplib.SMTP_SSL ( "smtp.qq .com ",465)
    smtp.login(usernames,passwd)
    smtp.sendmail(sender,receiver,message.as_string())
    smtp.quit () 
    Print ( "! message has been sent Please note that check!") 


IF __name__ __ == "__ main__": 
    # unittest.TextTestRunner () RUN (Runa ()). 
    htmlrun = unittest.TextTestRunner () 
    the Result = os. path.join (os.getcwd () + "\\ result.html") # no result.html, is created automatically 
    Print (Result) 
    A = Open (Result, 'WB') 
    Stream htmlrun = HTMLTestRunner.HTMLTestRunner (= A, 
                                  title = 'automated test result', 
                                  Description = 'results are as follows:', 
                                          the verbosity = 2) 
    htmlrun.run (Runa ()) 
    a.close () 
    path = "D: \\ \\ python_api_test Study \\ test1204 \\ " 
    hehe = LU (path) 
    send_out (hehe)