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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def basename_without_extension(self):
 """ Get the ``os.path.basename`` of the local file, if any, with extension removed. """

        ret = self.basename.rsplit('.', 1)[0]
        if ret.endswith('.tar'):
            ret = ret[0:len(ret)-4]
        return ret