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Showing content from https://rdflib.readthedocs.io/en/stable/apidocs/rdflib.plugins.sparql.results.html below:

rdflib.plugins.sparql.results package — rdflib 7.1.4 documentation

This module implements a parser and serializer for the CSV SPARQL result formats

http://www.w3.org/TR/sparql11-results-csv-tsv/

class rdflib.plugins.sparql.results.csvresults.CSVResultParser[source]¶

Bases: ResultParser

__init__()[source]¶

__module__ = 'rdflib.plugins.sparql.results.csvresults'¶

convertTerm(t)[source]¶

Parameters:

t (str) –

Return type:

Union[BNode, URIRef, Literal, None]

parse(source, content_type=None)[source]¶

return a Result object

Parameters:

• source (IO) –

• content_type (Optional[str]) –

Return type:

Result

parseRow(row, v)[source]¶

Parameters:

• row (List[str]) –

• v (List[Variable]) –

Return type:

Dict[Variable, Union[BNode, URIRef, Literal]]

class rdflib.plugins.sparql.results.csvresults.CSVResultSerializer(result)[source]¶

Bases: ResultSerializer

Parameters:

result (SPARQLResult) –

__init__(result)[source]¶

Parameters:

result (SPARQLResult) –

__module__ = 'rdflib.plugins.sparql.results.csvresults'¶

serialize(stream, encoding='utf-8', **kwargs)[source]¶

return a string properly serialized

Parameters:

• stream (IO) –

• encoding (str) –

Return type:

None

serializeTerm(term, encoding)[source]¶

Parameters:

• term (Optional[Identifier]) –

• encoding (str) –

Return type:

Union[str, Identifier]

class rdflib.plugins.sparql.results.graph.GraphResultParser[source]¶

Bases: ResultParser

__module__ = 'rdflib.plugins.sparql.results.graph'¶

parse(source, content_type)[source]¶

return a Result object

Parameters:

• source (IO) –

• content_type (Optional[str]) –

Return type:

Result

A Serializer for SPARQL results in JSON:

http://www.w3.org/TR/rdf-sparql-json-res/

Bits and pieces borrowed from: http://projects.bigasterisk.com/sparqlhttp/

Authors: Drew Perttula, Gunnar Aastrand Grimnes

class rdflib.plugins.sparql.results.jsonresults.JSONResult(json)[source]¶

Bases: Result

Parameters:

json (Dict[str, Any]) –

__init__(json)[source]¶

Parameters:

json (Dict[str, Any]) –

__module__ = 'rdflib.plugins.sparql.results.jsonresults'¶

askAnswer: Optional[bool]¶

graph: Optional[Graph]¶

vars: Optional[List[Variable]]¶

variables contained in the result.

class rdflib.plugins.sparql.results.jsonresults.JSONResultParser[source]¶

Bases: ResultParser

__module__ = 'rdflib.plugins.sparql.results.jsonresults'¶

parse(source, content_type=None)[source]¶

return a Result object

Parameters:

• source (IO) –

• content_type (Optional[str]) –

Return type:

Result

class rdflib.plugins.sparql.results.jsonresults.JSONResultSerializer(result)[source]¶

Bases: ResultSerializer

Parameters:

result (Result) –

__init__(result)[source]¶

Parameters:

result (Result) –

__module__ = 'rdflib.plugins.sparql.results.jsonresults'¶

serialize(stream, encoding=None)[source]¶

return a string properly serialized

Parameters:

• stream (IO) –

• encoding (Optional[str]) –

Return type:

None

rdflib.plugins.sparql.results.jsonresults.parseJsonTerm(d)[source]¶

rdflib object (Literal, URIRef, BNode) for the given json-format dict.

input is like:

{ ‘type’: ‘uri’, ‘value’: ‘http://famegame.com/2006/01/username’ } { ‘type’: ‘literal’, ‘value’: ‘drewp’ }

Parameters:

d (Dict[str, str]) –

Return type:

Identifier

rdflib.plugins.sparql.results.jsonresults.termToJSON(self, term)[source]¶

Parameters:

• self (JSONResultSerializer) –

• term (Optional[Identifier]) –

Return type:

Optional[Dict[str, str]]

class rdflib.plugins.sparql.results.rdfresults.RDFResult(source, **kwargs)[source]¶

Bases: Result

Parameters:

• source (Union[IO, Graph]) –

• kwargs (Any) –

__init__(source, **kwargs)[source]¶

Parameters:

• source (Union[IO, Graph]) –

• kwargs (Any) –

__module__ = 'rdflib.plugins.sparql.results.rdfresults'¶

askAnswer: Optional[bool]¶

graph: Optional[Graph]¶

vars: Optional[List[Variable]]¶

variables contained in the result.

class rdflib.plugins.sparql.results.rdfresults.RDFResultParser[source]¶

Bases: ResultParser

__module__ = 'rdflib.plugins.sparql.results.rdfresults'¶

parse(source, **kwargs)[source]¶

return a Result object

Parameters:

• source (Union[IO, Graph]) –

• kwargs (Any) –

Return type:

Result

This implements the Tab Separated SPARQL Result Format

It is implemented with pyparsing, reusing the elements from the SPARQL Parser

class rdflib.plugins.sparql.results.tsvresults.TSVResultParser[source]¶

Bases: ResultParser

__module__ = 'rdflib.plugins.sparql.results.tsvresults'¶

convertTerm(t)[source]¶

Parameters:

t (Union[object, Literal, BNode, CompValue, URIRef]) –

Return type:

Union[object, BNode, URIRef, Literal, None]

parse(source, content_type=None)[source]¶

return a Result object

Parameters:

• source (IO) –

• content_type (Optional[str]) –

Return type:

Result

class rdflib.plugins.sparql.results.txtresults.TXTResultSerializer(result)[source]¶

Bases: ResultSerializer

A write-only QueryResult serializer for text/ascii tables

Parameters:

result (Result) –

__module__ = 'rdflib.plugins.sparql.results.txtresults'¶

serialize(stream, encoding='utf-8', *, namespace_manager=None, **kwargs)[source]¶

return a text table of query results

Parameters:

• stream (IO) –

• encoding (str) –

• namespace_manager (Optional[NamespaceManager]) –

Return type:

None

A Parser for SPARQL results in XML:

http://www.w3.org/TR/rdf-sparql-XMLres/

Bits and pieces borrowed from: http://projects.bigasterisk.com/sparqlhttp/

Authors: Drew Perttula, Gunnar Aastrand Grimnes

class rdflib.plugins.sparql.results.xmlresults.SPARQLXMLWriter(output, encoding='utf-8')[source]¶

Bases: object

Python saxutils-based SPARQL XML Writer

Parameters:

• output (IO) –

• encoding (str) –

__dict__ = mappingproxy({'__module__': 'rdflib.plugins.sparql.results.xmlresults', '__doc__': '\n    Python saxutils-based SPARQL XML Writer\n    ', '__init__': <function SPARQLXMLWriter.__init__>, 'write_header': <function SPARQLXMLWriter.write_header>, 'write_ask': <function SPARQLXMLWriter.write_ask>, 'write_results_header': <function SPARQLXMLWriter.write_results_header>, 'write_start_result': <function SPARQLXMLWriter.write_start_result>, 'write_end_result': <function SPARQLXMLWriter.write_end_result>, 'write_binding': <function SPARQLXMLWriter.write_binding>, 'close': <function SPARQLXMLWriter.close>, '__dict__': <attribute '__dict__' of 'SPARQLXMLWriter' objects>, '__weakref__': <attribute '__weakref__' of 'SPARQLXMLWriter' objects>, '__annotations__': {}})¶

__init__(output, encoding='utf-8')[source]¶

Parameters:

• output (IO) –

• encoding (str) –

__module__ = 'rdflib.plugins.sparql.results.xmlresults'¶

__weakref__¶

list of weak references to the object (if defined)

close()[source]¶

Return type:

None

write_ask(val)[source]¶

Parameters:

val (bool) –

Return type:

None

write_binding(name, val)[source]¶

Parameters:

• name (Variable) –

• val (Identifier) –

Return type:

None

write_end_result()[source]¶

Return type:

None

Parameters:

allvarsL (Sequence[Variable]) –

Return type:

None

Return type:

None

write_start_result()[source]¶

Return type:

None

class rdflib.plugins.sparql.results.xmlresults.XMLResult(source, content_type=None)[source]¶

Bases: Result

Parameters:

• source (IO) –

• content_type (Optional[str]) –

__init__(source, content_type=None)[source]¶

Parameters:

• source (IO) –

• content_type (Optional[str]) –

__module__ = 'rdflib.plugins.sparql.results.xmlresults'¶

askAnswer: Optional[bool]¶

graph: Optional[Graph]¶

vars: Optional[List[Variable]]¶

variables contained in the result.

class rdflib.plugins.sparql.results.xmlresults.XMLResultParser[source]¶

Bases: ResultParser

__module__ = 'rdflib.plugins.sparql.results.xmlresults'¶

parse(source, content_type=None)[source]¶

return a Result object

Parameters:

• source (IO) –

• content_type (Optional[str]) –

Return type:

Result

class rdflib.plugins.sparql.results.xmlresults.XMLResultSerializer(result)[source]¶

Bases: ResultSerializer

Parameters:

result (Result) –

__init__(result)[source]¶

Parameters:

result (Result) –

__module__ = 'rdflib.plugins.sparql.results.xmlresults'¶

serialize(stream, encoding='utf-8', **kwargs)[source]¶

return a string properly serialized

Parameters:

• stream (IO) –

• encoding (str) –

• kwargs (Any) –

Return type:

None

rdflib.plugins.sparql.results.xmlresults.parseTerm(element)[source]¶

rdflib object (Literal, URIRef, BNode) for the given elementtree element

Parameters:

element (Element) –

Return type:

Union[URIRef, Literal, BNode]

Parsers and serializers for SPARQL Result formats

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