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nquads

Classes:

__all__ module-attribute 

__all__ = ['NQuadsSerializer']

NQuadsSerializer 

NQuadsSerializer(store: Graph)

Bases: Serializer

NQuads RDF graph serializer.

Methods:

Attributes:

Source code in rdflib/plugins/serializers/nquads.py 
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def __init__(self, store: Graph):
    if not store.context_aware:
        raise Exception(
            "NQuads serialization only makes " "sense for context-aware stores!"
        )

    super(NQuadsSerializer, self).__init__(store)
    self.store: ConjunctiveGraph

store instance-attribute 

store: ConjunctiveGraph

serialize 

serialize(stream: IO[bytes], base: Optional[str] = None, encoding: Optional[str] = None, **kwargs: Any) -> None
Source code in rdflib/plugins/serializers/nquads.py 
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def serialize(
    self,
    stream: IO[bytes],
    base: Optional[str] = None,
    encoding: Optional[str] = None,
    **kwargs: Any,
) -> None:
    if base is not None:
        warnings.warn("NQuadsSerializer does not support base.")
    if encoding is not None and encoding.lower() != self.encoding.lower():
        warnings.warn(
            "NQuadsSerializer does not use custom encoding. "
            f"Given encoding was: {encoding}"
        )
    encoding = self.encoding
    for context in self.store.contexts():
        for triple in context:
            stream.write(
                _nq_row(triple, context.identifier).encode(encoding, "replace")
            )
    stream.write("\n".encode("latin-1"))