问python单文件多锁问题

EN

Script : test_cifs_log_writer.py
=================================================================================================

def log_event(level, msg, job_log_file,lck):
    lck.acquire()
    for i in range(50):
        with open(job_log_file, 'a') as wr_log:
            print('Now printing message : '+str(msg))
            wr_log.write(str(time.ctime())+' - '+level.upper()+' - '+str(msg)+'\n')
    lck.release()


Script : Log_writer1.py
=================================================================================================

from threading import Thread, Lock
from test_cifs_log_writer import *

lck=Lock()
t1=Thread(target=log_event, args=('info','Thread 1 : msg','test_log_file.txt',lck))
t2=Thread(target=log_event, args=('info','Thread 2 : msg','test_log_file.txt',lck))

lst=[t1,t2]

for thr in lst:
    thr.start()

for thr in lst:
    thr.join()

Script : Log_writer2.py
=================================================================================================

from threading import Thread, Lock
from test_cifs_log_writer import *

lck=Lock()
t1=Thread(target=log_event, args=('info','Thread 3 : msg','test_log_file.txt',lck))
t2=Thread(target=log_event, args=('info','Thread 4 : msg','test_log_file.txt',lck))

lst=[t1,t2]

for thr in lst:
    thr.start()

for thr in lst:
    thr.join()