Hướng dẫn python input tab completion
Here is a quick example of how to perform incremental completion of file system paths. I've modified your example, organizing it into a class where methods named I've switched the completion function to use the internal readline buffer to determine the state of the overall completion, which makes the state logic a bit simpler. The path completion is in the I'm sure the code could be further simplified but it should provide you a decent starting point:
Usage:
Update It will complete paths from the root if the user types
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