Comments (2)
Solution: I had to use portalocker.lock(file, portalocker.LockFlags.EXCLUSIVE | portalocker.LockFlags.NON_BLOCKING)
I'm not forced to do this on Windows.
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Thank you for letting me know :)
I've added a clear warning for these cases. Generally I wouldn't recommend using the low-level locking system at all. Using the Lock
object is easier and handles these types of quirks for you:
import portalocker
with portalocker.Lock('somefile', timeout=1) as fh:
...
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