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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 xmlparse(self, file):
 """ Parse a XML file :param file: Opened File :return: Tree """

        if self.CACHE_FULL_TEI is True:
            return self.get_or(
                _cache_key("Nautilus", self.name, "File", "Tree", file.name),
                super(ProtoNautilusCtsResolver, self).xmlparse, file
            )
        return super(ProtoNautilusCtsResolver, self).xmlparse(file)