40 lines
No EOL
1.1 KiB
Python
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()
|
|
|