Package SPARQLWrapper :: Module Wrapper

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Module Wrapper

source code

See Also: SPARQL Specification

Author: Ivan Herman, Sergio Fernández, Carlos Tejo Alonso

Organization: World Wide Web Consortium, Salzburg Research and Foundation CTIC.

License: W3C® SOFTWARE NOTICE AND LICENSE

Requires: RDFLib package.

Classes

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SPARQLWrapper
Wrapper around an online access to a SPARQL Web entry point.

QueryResult
Wrapper around an a query result.

Variables

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JSON = 'json'
to be used to set the return format to JSON

JSONLD = 'json-ld'
to be used to set the return format to JSON-LD

XML = 'xml'
to be used to set the return format to XML (SPARQL XML format or RDF/XML, depending on the query type).

TURTLE = 'turtle'
to be used to set the return format to Turtle

N3 = 'n3'
to be used to set the return format to N3 (for most of the SPARQL services this is equivalent to Turtle)

RDF = 'rdf'
to be used to set the return RDF Graph

RDFXML = 'rdf+xml'
to be used to set the return format to RDF/XML explicitly.

CSV = 'csv'
to be used to set the return format to CSV

TSV = 'tsv'
to be used to set the return format to TSV

_allowedFormats = ['json', 'xml', 'turtle', 'n3', 'rdf', 'rdf+...

POST = 'POST'
to be used to set HTTP POST

GET = 'GET'
to be used to set HTTP GET.

_allowedRequests = ['POST', 'GET']

BASIC = 'BASIC'
BASIC HTTP Authentication method

DIGEST = 'DIGEST'
DIGEST HTTP Authentication method

_allowedAuth = ['BASIC', 'DIGEST']

SELECT = 'SELECT'
to be used to set the query type to SELECT.

CONSTRUCT = 'CONSTRUCT'
to be used to set the query type to CONSTRUCT.

ASK = 'ASK'
to be used to set the query type to ASK.

DESCRIBE = 'DESCRIBE'
to be used to set the query type to DESCRIBE.

INSERT = 'INSERT'
to be used to set the query type to INSERT.

DELETE = 'DELETE'
to be used to set the query type to DELETE.

CREATE = 'CREATE'
to be used to set the query type to CREATE.

CLEAR = 'CLEAR'
to be used to set the query type to CLEAR.

DROP = 'DROP'
to be used to set the query type to DROP.

LOAD = 'LOAD'
to be used to set the query type to LOAD.

COPY = 'COPY'
to be used to set the query type to COPY.

MOVE = 'MOVE'
to be used to set the query type to MOVE.

ADD = 'ADD'
to be used to set the query type to ADD.

_allowedQueryTypes = ['SELECT', 'CONSTRUCT', 'ASK', 'DESCRIBE'...

URLENCODED = 'urlencoded'

POSTDIRECTLY = 'postdirectly'

_REQUEST_METHODS = ['urlencoded', 'postdirectly']

_SPARQL_DEFAULT = ['application/sparql-results+xml', 'applicat...

_SPARQL_XML = ['application/sparql-results+xml']

_SPARQL_JSON = ['application/sparql-results+json', 'applicatio...

_RDF_XML = ['application/rdf+xml']

_RDF_TURTLE = ['application/turtle', 'text/turtle']

_RDF_N3 = ['application/turtle', 'text/turtle', 'text/rdf+n3',...

_RDF_JSONLD = ['application/ld+json', 'application/x-json+ld']

_CSV = ['text/csv']

_TSV = ['text/tab-separated-values']

_XML = ['application/xml']

_ALL = ['*/*']

_SPARQL_PARAMS = ['query']

_RDF_POSSIBLE = ['application/rdf+xml', 'application/turtle', ...

_returnFormatSetting = ['format', 'output', 'results']

__package__ = 'SPARQLWrapper'

Variables Details

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XML

to be used to set the return format to XML (SPARQL XML format or RDF/XML, depending on the query type). This is the default.

Value:

'xml'

_allowedFormats

Value:

['json',
 'xml',
 'turtle',
 'n3',
 'rdf',
 'rdf+xml',
 'csv',
 'tsv',
...

GET

to be used to set HTTP GET. This is the default.

Value:

'GET'

SELECT

to be used to set the query type to SELECT. This is, usually, determined automatically.

Value:

'SELECT'

CONSTRUCT

to be used to set the query type to CONSTRUCT. This is, usually, determined automatically.

Value:

'CONSTRUCT'

ASK

to be used to set the query type to ASK. This is, usually, determined automatically.

Value:

'ASK'

DESCRIBE

to be used to set the query type to DESCRIBE. This is, usually, determined automatically.

Value:

'DESCRIBE'

_allowedQueryTypes

Value:

['SELECT',
 'CONSTRUCT',
 'ASK',
 'DESCRIBE',
 'INSERT',
 'DELETE',
 'CREATE',
 'CLEAR',
...

_SPARQL_DEFAULT

Value:

['application/sparql-results+xml', 'application/rdf+xml', '*/*']

_SPARQL_JSON

Value:

['application/sparql-results+json',
 'application/json',
 'text/javascript',
 'application/javascript']

_RDF_N3

Value:

['application/turtle',
 'text/turtle',
 'text/rdf+n3',
 'application/n-triples',
 'application/n3',
 'text/n3']

_RDF_POSSIBLE

Value:

['application/rdf+xml',
 'application/turtle',
 'text/turtle',
 'text/rdf+n3',
 'application/n-triples',
 'application/n3',
 'text/n3',
 'application/xml',
...