Sparql-Query-Parser
a pure python utility to parse sparql query into json format
Command Line Example Usuage
parse string
python sqparser.py -s "<SPARQL_QUERIES_STRING>"
parse json file
python sqparser.py -i <INPUT_FILE_PATH> -o <OUTPUT_FILE_PATH> -t <TRUE|FALSE> -c <SPECIFIC_KEY_NAME>
Python Example Usuage
parse string
text = 'PREFIX qpr: <http://istresearch.com/qpr> SELECT ?number_of_individuals (count(?ad) AS ?count)(group_concat(?ad;separator=',') AS ?ads) WHERE { ?ad a qpr:Ad ; qpr:location 'Eugene, OR' ; qpr:number_of_individuals ?number_of_individuals . } GROUP BY ?number_of_individuals ORDER BY DESC(?count) LIMIT 1'
SQParser.parse(text)
# output shown below
{
"group-by": {
"sorted-order": "desc",
"limit": 1,
"group-variable": "?number_of_individuals",
"order-variable": "?count"
},
"where": {
"variable": "?ad",
"clauses": [
{
"predicate": "location",
"isOptional": false,
"constraint": "Eugene, OR"
}
],
"type": "Ad"
},
"select": {
"variables": [
{
"variable": "?ad",
"dependent-variable": "?count",
"type": "count"
},
{
"distinct": false,
"variable": "?ad",
"dependent-variable": "?ads",
"separator": ",",
"type": "group-concat"
},
{
"variable": "?number_of_individuals",
"type": "simple"
}
]
}
}
parse json file
input_file = <INPUT_FILE_PATH>
output_path = <OUTPUT_FILE_PATH>
target_component = <DEFAULT: NONE, OPTIONS: where, select...>
has_title = <True|False, True by default>
SQParser.parse_sq_json(input_file, output_path=output_file, target_component=target_component, has_title=has_title)