PlexKodiConnect/resources/lib/Lock.py

40 lines
No EOL
1.1 KiB
Python

import os
import time
import errno
import xbmc
class Lock:
def __init__(self, filename):
self.filename = filename
self.delay = 0.5
self.timeout = 10
self.is_locked = False
self.fd = None
def acquire(self):
start_time = time.time()
while True:
try:
self.fd = os.open(self.filename, os.O_CREAT|os.O_RDWR|os.O_EXCL)
break;
except OSError as e:
if (time.time() - start_time) >= self.timeout:
xbmc.log("File_Lock_On " + self.filename + " timed out")
return False
#xbmc.log("File_Lock_On " + self.filename + " error " + str(e))
time.sleep(self.delay)
self.is_locked = True
xbmc.log("File_Lock_On " + self.filename + " obtained")
return True
def release(self):
if self.is_locked:
os.close(self.fd)
os.unlink(self.filename)
self.is_locked = False
xbmc.log("File_Lock_On " + self.filename + " released")
def __del__(self):
self.release()