Example of using SPARQLWrapper to update data in VIVO .

VIVO SPARQL Update API

 Sample scripts for using the VIVO SPARQL Update API in PHP, Python.
 
 https://wiki.duraspace.org/display/VIVO/The+SPARQL+Update+API

vupdate.php

<?php
/**
Simple PHP example using the PHP Requests library - http://requests.ryanmccue.info/
*/

// Include Requests
include('vendor/autoload.php');

Requests::register_autoloader();

$q = 'PREFIX rdfs:  <http://www.w3.org/2000/01/rdf-schema#>'.
     'INSERT DATA {'.
     'GRAPH <http://vitro.mannlib.cornell.edu/default/vitro-kb-2>'.
     '{ <http://vivo.school.edu/individual/n0001> rdfs:label "New Title" . }'.
    '}';

$request = Requests::post(
    'http://localhost:8080/vivo/api/sparqlUpdate',
    array(),
    array(
        'update' => $q,
        'email' => 'vivo_root@school.edu',
        'password' => 'XXXX'
    )
);

// Dump response
var_dump($request);

vupdate.py

"""
Examples of using VIVO's SPARQL update API.
https://wiki.duraspace.org/display/VIVO/SPARQL+Update+API

For SPARQL update doucmentation, see:
http://www.w3.org/Submission/SPARQL-Update/
"""

import urllib

import time

email = 'vivo_root@school.edu'
password = '----'
endpoint = 'http://localhost:8080/vivo/api/sparqlUpdate'


def do_update(query):
    print "Query:\n" + query
    payload = {
        'email': email,
        'password': password,
        'update': query
    }
    data = urllib.urlencode(payload)
    response = urllib.urlopen(endpoint, data)
    #This will raise an expection if something goes wrong
    if response.code != 200:
        raise Exception("SPARQL update failed.  Status code: {}".format(str(response.code)))
    print "Status code:", response.code
    return True


#Insert data.
q = """
PREFIX rdfs:  <http://www.w3.org/2000/01/rdf-schema#>
INSERT DATA {
    GRAPH <http://localhost/api-test>
        { <http://vivo.school.edu/individual/n1234> rdfs:label "New Title" . }
    }
"""
do_update(q)

#For testing purposes only - delay to check data in web app
time.sleep(3)

#Modify it
q = """
PREFIX rdfs:  <http://www.w3.org/2000/01/rdf-schema#>
PREFIX bibo: <http://purl.org/ontology/bibo/>
DELETE DATA {
    GRAPH <http://localhost/api-test>
        { <http://vivo.school.edu/individual/n1234> rdfs:label "New Title" . }
    } ;
INSERT DATA {
    GRAPH <http://localhost/api-test>
    { <http://vivo.school.edu/individual/n1234> rdfs:label "Second Title" . }
}
"""
do_update(q)

time.sleep(3)

#Delete it
q = """
PREFIX rdfs:  <http://www.w3.org/2000/01/rdf-schema#>
DELETE DATA {
    GRAPH <http://localhost/api-test>
    { <http://vivo.school.edu/individual/n1234> rdfs:label "Second Title" . }
}
"""
do_update(q)