40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
import os
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import time
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import errno
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import xbmc
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class Lock:
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def __init__(self, filename):
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self.filename = filename
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self.delay = 0.5
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self.timeout = 10
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self.is_locked = False
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self.fd = None
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def acquire(self):
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start_time = time.time()
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while True:
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try:
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self.fd = os.open(self.filename, os.O_CREAT|os.O_RDWR|os.O_EXCL)
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break;
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except OSError as e:
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if (time.time() - start_time) >= self.timeout:
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xbmc.log("File_Lock_On " + self.filename.encode('utf-8') + " timed out")
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return False
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#xbmc.log("File_Lock_On " + self.filename + " error " + str(e))
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time.sleep(self.delay)
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self.is_locked = True
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xbmc.log("File_Lock_On " + self.filename.encode('utf-8') + " obtained")
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return True
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def release(self):
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if self.is_locked:
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os.close(self.fd)
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os.unlink(self.filename)
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self.is_locked = False
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xbmc.log("File_Lock_On " + self.filename.encode('utf-8') + " released")
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def __del__(self):
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self.release()
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