Create file but if name exists add number

by

I ended up writing my own simple function for this. Primitive, but gets the job done:

def uniquify(path):
    filename, extension = os.path.splitext(path)
    counter = 1

    while os.path.exists(path):
        path = filename + " (" + str(counter) + ")" + extension
        counter += 1

    return path

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