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SPARQLWrapper

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What SPARQLWrapper is

SPARQLWrapper is a free Python wrapper for sending queries to remote SPARQL services and optionally converting returned data. It supports SELECT, ASK, CONSTRUCT, and DESCRIBE queries, plus update operations such as INSERT and DELETE. Documented output formats include XML, JSON, JSON-LD, Turtle, N3, RDF/XML, CSV, and TSV. Conversions can turn XML into a DOM tree, JSON into a Python dictionary, or RDF/XML and JSON-LD into an RDFLib Graph. Requests use GET by default, while POST is available for queries too large for GET. BASIC and DIGEST HTTP authentication are described. Installation provides the `rqw` command-line script, and packages are available from PyPI, GitHub, and Debian. RDFLib is imported only when RDF parsing is needed. The package is OS independent, uses the W3C license, and requires Python 3.7 or later.

Who it suits

It suits Python developers working with remote SPARQL endpoints and varied RDF result formats. Its command-line script and authentication options support both scripted and service-based workflows.

What it does well

  • Supports major SPARQL query forms
  • Offers many RDF and tabular formats
  • Converts results into Python structures
  • GET and POST request methods
  • Free and OS independent

What to know first

  • No full SPARQL parser
  • Query type may need manual setting
  • Requires Python 3.7 or later
  • No API documentation listed

Verdict

SPARQLWrapper provides broad query, output, conversion, and authentication support for Python SPARQL work. Manual query-type handling is the main stated limitation.

Facts from SPARQLWrapper's own pages

API documentation
No · github.com, 25 Sept 2026
Authentication
The documentation describes BASIC and DIGEST HTTP authentication methods. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Automated test runs
No · github.com, 25 Sept 2026
Command line
Installation makes the `rqw` command line script available in the Python environment. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Endpoint compatibility
The documentation describes endpoint behavior for implementations including Fuseki, Eclipse RDF4J, GraphDB, Virtuoso, and Stardog. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Free plan
Yes · github.com, 25 Sept 2026
GraphQL support
No · github.com, 25 Sept 2026
gRPC support
No · github.com, 25 Sept 2026
HTTP methods
Requests use HTTP GET by default, and POST can be selected for larger queries, though some method and result format combinations may not work with all processors. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Installation
The documentation lists installation from PyPI, GitHub, or Debian packages and notes Debian's version may lag behind the latest release. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Integrations
RDFLib is used to parse RDF results and is imported only when needed. · sparqlwrapper.readthedocs.io, 8 Oct 2026
License
The package is licensed under the W3C license. · sparqlwrapper.readthedocs.io, 8 Oct 2026
License and platform
PyPI lists the W3C License and classifies the package as OS independent, for developers, and requiring Python 3.7 or later. · pypi.org, 8 Oct 2026
Limit
The module does not validate query syntax; the SPARQL service performs syntax and validity checking. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Output formats
Documented return formats include XML, JSON, JSON-LD, Turtle, N3, RDF/XML, CSV and TSV. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Available platforms
desktop · github.com, 25 Sept 2026
Purpose
SPARQLWrapper is a Python wrapper for remotely executing queries against SPARQL services. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Query support
The documentation provides examples for SELECT, ASK, CONSTRUCT, DESCRIBE, and SPARQL UPDATE queries. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Query types
It supports SPARQL query forms including SELECT, ASK, CONSTRUCT and DESCRIBE, as well as update operations such as INSERT and DELETE. · sparqlwrapper.readthedocs.io, 8 Oct 2026
RDFLib dependency
RDFLib is imported lazily for RDF parsing and need not be installed if RDF formats are not used. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Result conversion
It can convert query results into Python representations, including dictionaries, DOM trees, strings, and RDFLib Graph objects. · sparqlwrapper.readthedocs.io, 8 Oct 2026
SPARQLWrapper2
SPARQLWrapper2 handles JSON SELECT results and provides helpers for processing bindings. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Support
The documentation directs community questions to the RDFLib developers’ discussion group and issue reports to GitHub. · sparqlwrapper.readthedocs.io, 8 Oct 2026
Team workspaces
No · github.com, 25 Sept 2026

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