pyLoDStorage

python List of Dict (Table) Storage library

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What it is

pyLoDStorage allows to store table like data (List of Dicts) via

• Sqlite3
• JSON
• SPARQL

Installation

pip install pylodstorage

Get Sources

git clone https://github.com/WolfgangFahl/pyLoDStorage
cd pyLodStorage
scripts/install

Testing

scripts/test

Usage

see test cases

Command Line Interface

sparqlquery

sparqlquery -h
usage: sparqlquery [-h] [-d] [-ep ENDPOINTPATH] [-fp FORMATSPATH] [-li]
                   [--limit LIMIT] [--params PARAMS] [-le] [-sq]
                   [-qp QUERIESPATH] [-q QUERY] [-qf QUERYFILE]
                   [-qn QUERYNAME] [-en ENDPOINTNAME] [--method METHOD]
                   [-f {csv,json,html,xml,tsv,latex,mediawiki,raw,github}]
                   [-m MIMETYPE] [-p] [-raw] [-V]

commandline query of endpoints in diverse languages such as SPARQL/SQL

  Created by Wolfgang Fahl on 2020-09-10.
  Copyright 2020-2025 Wolfgang Fahl. All rights reserved.

  Licensed under the Apache License 2.0
  http://www.apache.org/licenses/LICENSE-2.0

  Distributed on an "AS IS" basis without warranties
  or conditions of any kind, either express or implied.

USAGE

options:
  -h, --help            show this help message and exit
  -d, --debug           set debug [default: False]
  -ep ENDPOINTPATH, --endpointPath ENDPOINTPATH
                        path to yaml file to configure endpoints to use for
                        queries
  -fp FORMATSPATH, --formatsPath FORMATSPATH
                        path to yaml file to configure formats to use for
                        query result documentation
  -li, --list           show the list of available queries
  --limit LIMIT         set limit parameter of query
  --params PARAMS       query parameters as Key-value pairs in the format
                        key1=value1,key2=value2
  -le, --listEndpoints  show the list of available endpoints
  -sq, --showQuery      show the query
  -qp QUERIESPATH, --queriesPath QUERIESPATH
                        path to YAML file with query definitions
  -q QUERY, --query QUERY
                        the query to run
  -qf QUERYFILE, --queryFile QUERYFILE
                        the query file to run
  -qn QUERYNAME, --queryName QUERYNAME
                        run a named query
  -en ENDPOINTNAME, --endpointName ENDPOINTNAME
                        Name of the endpoint to use for queries. Available by
                        default: ['wikidata', 'wikidata-main', 'wikidata-
                        scholarly', 'wikidata-legacy-full', 'wikidata-dbis',
                        'wikidata-qlever', ...]
  --method METHOD       method to be used for SPARQL queries
  -f {csv,json,html,xml,tsv,latex,mediawiki,raw,github}, --format {csv,json,html,xml,tsv,latex,mediawiki,raw,github}
  -m MIMETYPE, --mimeType MIMETYPE
                        MIME-type to use for the raw query
  -p, --prefixes        add predefined prefixes for endpoint
  -raw                  return the raw query result from the endpoint. (MIME
                        type defined over -f or -m)
  -V, --version         show program's version number and exit

Documentation

Wiki

Authors

• Wolfgang Fahl
• Tim Holzheim