Py SPARQL Transformer
Write your SPARQL query directly in the JSON-LD you would like to have in output. Python version of SPARQL Transformer for JavaScript.
Table of Contents
How to use
Install by pip.
pip install SPARQLTransformer
Use in your JS application (node or browser).
from SPARQLTransformer import sparqlTransformer
out = sparqlTransformer(query, options)
The first parameter (query) is the query in the JSON-LD format. The JSON-LD can be:
- an already parsed JS object (or defined real time),
- ONLY if running in NodeJS, the local path of a JSON file (that will then be read and parsed).
The options parameter is optional, and can define the following:
| OPTION | DEFAULT | NOTE |
|---|---|---|
| context | http://schema.org/ | The value in @context. It overwrites the one in the query. |
| sparqlFunction | None |
A function receiving in input the transformed query in SPARQL, returning a Promise. If not specified, the module performs the query on its own1 against the specified endpoint. |
| endpoint | http://dbpedia.org/sparql | Used only if sparqlFunction is not specified. |
| debug | False |
Enter in debug mode. This allow to print in console the generated SPARQL query. |
See test.js for further examples.
Credits
If you use this module for your research work, please cite:
Pasquale Lisena and Raphaël Troncy. Transforming the JSON Output of SPARQL Queries for Linked Data Clients. In WWW'18 Companion: The 2018 Web Conference Companion, April 23–27, 2018, Lyon, France. https://doi.org/10.1145/3184558.3188739
1: Using virtuoso-sparql-client.
1 maintainer
Metadata
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Release files for SPARQLTransformer 1.6.4
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| SPARQLTransformer-1.6.4.tar.gz | 6.8 kB | Details |
Release files / SPARQLTransformer-1.6.4.tar.gz
| Download URL | SPARQLTransformer-1.6.4.tar.gz |
|---|---|
| Size | 6.8 kB |
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