def set(self, key: URIRef, value: Union[Literal, BNode, URIRef, str, int], lang: Optional[str]=None):
        """ Set the VALUE for KEY predicate in the Metadata Graph

        :param key: Predicate to be set (eg. DCT.creator)
        :param value: Value to be stored (eg. "Cicero")
        :param lang: [Optional] Language of the value (eg. "la")
        """
        if not isinstance(value, Literal) and lang is not None:
            value = Literal(value, lang=lang)
        elif not isinstance(value, (BNode, URIRef)):
            value, _type = term._castPythonToLiteral(value)
            if _type is None:
                value = Literal(value)
            else:
                value = Literal(value, datatype=_type)
        self.graph.set((self.asNode(), key, value))
def set ( self , key : URIRef , value : Union [ Literal , BNode , URIRef , str , int ] , lang : Optional [ str ] = None ) : if not isinstance ( value , Literal ) and lang is not None : value = Literal ( value , lang = lang ) elif not isinstance ( value , ( BNode , URIRef ) ) : value , _type = term . _castPythonToLiteral ( value ) if _type is None : value = Literal ( value ) else : value = Literal ( value , datatype = _type ) self . graph . set ( ( self . asNode ( ) , key , value ) )
Set the VALUE for KEY predicate in the Metadata Graph

        :param key: Predicate to be set (eg. DCT.creator)
        :param value: Value to be stored (eg. "Cicero")
        :param lang: [Optional] Language of the value (eg. "la")