This reverts commit 44629f689d
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pull/221/head
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cec55b22de
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46524781fe
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import io |
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from typing import Union, Iterator |
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from pyoxigraph import Triple, Quad |
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from .pyoxigraph import parse as pyparse |
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def parse( |
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input: Union[io.RawIOBase, io.BufferedIOBase, str], |
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mime_type: str, |
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base_iri: Union[str, None] = None, |
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) -> Iterator[Union[Triple, Quad]]: |
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"""Parses RDF graph and dataset serialization formats. |
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It currently supports the following formats: |
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* `N-Triples <https://www.w3.org/TR/n-triples/>`_ (``application/n-triples``) |
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* `N-Quads <https://www.w3.org/TR/n-quads/>`_ (``application/n-quads``) |
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* `Turtle <https://www.w3.org/TR/turtle/>`_ (``text/turtle``) |
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* `TriG <https://www.w3.org/TR/trig/>`_ (``application/trig``) |
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* `RDF/XML <https://www.w3.org/TR/rdf-syntax-grammar/>`_ (``application/rdf+xml``) |
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It supports also some MIME type aliases. |
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For example, ``application/turtle`` could also be used for `Turtle <https://www.w3.org/TR/turtle/>`_ |
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and ``application/xml`` for `RDF/XML <https://www.w3.org/TR/rdf-syntax-grammar/>`_. |
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:param input: The binary I/O object or file path to read from. For example, it could be a file path as a string or a file reader opened in binary mode with ``open('my_file.ttl', 'rb')``. |
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:param mime_type: the MIME type of the RDF serialization. |
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:param base_iri: the base IRI used to resolve the relative IRIs in the file or :py:const:`None` if relative IRI resolution should not be done. |
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:return: an iterator of RDF triples or quads depending on the format. |
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:raises ValueError: if the MIME type is not supported. |
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:raises SyntaxError: if the provided data is invalid. |
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>>> input = io.BytesIO(b'<foo> <p> "1" .') |
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>>> list(parse(input, "text/turtle", base_iri="http://example.com/")) |
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[<Triple subject=<NamedNode value=http://example.com/foo> predicate=<NamedNode value=http://example.com/p> object=<Literal value=1 datatype=<NamedNode value=http://www.w3.org/2001/XMLSchema#string>>>] |
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""" |
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return pyparse(input, mime_type, base_iri) |
@ -1,38 +0,0 @@ |
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import io |
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from typing import Iterator, Union |
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from pyoxigraph import Triple, Quad |
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from .pyoxigraph import serialize as pyserialize |
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def serialize( |
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input: Iterator[Union[Triple, Quad]], |
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output: Union[io.RawIOBase, io.BufferedIOBase, str], |
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mime_type: str, |
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): |
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"""Serializes an RDF graph or dataset. |
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It currently supports the following formats: |
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* `N-Triples <https://www.w3.org/TR/n-triples/>`_ (``application/n-triples``) |
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* `N-Quads <https://www.w3.org/TR/n-quads/>`_ (``application/n-quads``) |
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* `Turtle <https://www.w3.org/TR/turtle/>`_ (``text/turtle``) |
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* `TriG <https://www.w3.org/TR/trig/>`_ (``application/trig``) |
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* `RDF/XML <https://www.w3.org/TR/rdf-syntax-grammar/>`_ (``application/rdf+xml``) |
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|
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It supports also some MIME type aliases. |
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For example, ``application/turtle`` could also be used for `Turtle <https://www.w3.org/TR/turtle/>`_ |
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and ``application/xml`` for `RDF/XML <https://www.w3.org/TR/rdf-syntax-grammar/>`_. |
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:param input: the RDF triples and quads to serialize. |
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:param output: The binary I/O object or file path to write to. For example, it could be a file path as a string or a file writer opened in binary mode with ``open('my_file.ttl', 'wb')``. |
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:param mime_type: the MIME type of the RDF serialization. |
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:raises ValueError: if the MIME type is not supported. |
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:raises TypeError: if a triple is given during a quad format serialization or reverse. |
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>>> output = io.BytesIO() |
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>>> serialize([Triple(NamedNode('http://example.com'), NamedNode('http://example.com/p'), Literal('1'))], output, "text/turtle") |
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>>> output.getvalue() |
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b'<http://example.com> <http://example.com/p> "1" .\n' |
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""" |
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return pyserialize(input, output, mime_type) |
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