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Turtle RDF graph serializer for RDFLib.
See for syntax specification.
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for nice clean output we sort the objects of triples,
some of them are literals,
these are sorted according to the sort order of the underlying python objects
in py3 not all things are comparable.
This falls back on comparing string representations when not.
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Checks if l is a valid RDF list, i.e. no nodes have other properties.
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r valuer firstr" r lenr9 predicate_objectsrest)r l_r r r r s "z TurtleSerializer.isValidListc C sN |r%| j |tj}|d ur| |t | | | j |tj}|sd S d S r )r r r r r OBJECTr` r )r r itemr r r r s
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