[issue19643] shutil rmtree fails on readonly files in Windows

[Paul Moore]

Paul Moore added the comment:

The most obvious solution would be if the onerror argument allowed for retries. At the moment, all it can do is report issues, not recover. Suppose that returning True from onerror meant "retry the operation". Then you could do

    def set_rw(operation, name, exc):
        os.chmod(name, stat.S_IWRITE)
        return True

    shutil.rmtree('path', onerror=set_rw)

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nosy: +pmoore

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