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#!/usr/bin/env python
import gi
from gi.repository import Tracker, GObject
def results_ready_cb (obj, result, user_data):
cursor = obj.query_finish (result)
# This can also be done asynchronously
while (cursor.next (None)):
print cursor.get_string (0)
user_data.quit ()
def connection_ready_cb (object, result, user_data):
assert user_data
conn = Tracker.SparqlConnection.get_finish (result)
conn.query_async ("SELECT ?u WHERE { ?u a nie:InformationElement. }",
None,
results_ready_cb,
user_data)
if __name__ == "__main__":
loop = GObject.MainLoop ()
Tracker.SparqlConnection.get_async (None, connection_ready_cb, loop)
loop.run ()
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