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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 get_namespace_reveal( self, namespace_id, include_history=True ):
 """ Given the name of a namespace, get it if it is currently being revealed. Return the reveal record on success. Return None if it is not being revealed, or is expired. """

        cur = self.db.cursor()
        namespace_reveal = namedb_get_namespace_reveal( cur, namespace_id, self.lastblock, include_history=include_history )
        return namespace_reveal