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#!/usr/bin/env python3
# Copyright (C) 2020, Sam Thursfield <sam@afuera.me.uk>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
"""Example script to query all documents from the filesystem index.
This uses an asynchronous query, which runs the query in a new thread and
notifies the main loop when results are ready.
"""
import gi
gi.require_version('Tracker', '3.0')
from gi.repository import Tracker, GLib
def results_ready_cb(obj, result, user_data):
cursor = obj.query_finish(result)
loop = user_data
# This can also be done asynchronously using next_async().
print("Documents:")
while (cursor.next(None)):
location = cursor.get_string(0)[0]
title = cursor.get_string(1)[0]
print(f" * {location} (title: {title})")
loop.quit ()
if __name__ == "__main__":
loop = GLib.MainLoop ()
cancellable = None
miner_fs = Tracker.SparqlConnection.bus_new(
"org.freedesktop.Tracker3.Miner.Files", None, cancellable)
cursor = miner_fs.query_async(
"SELECT nie:isStoredAs(?doc) ?title "
"FROM tracker:Documents "
"WHERE { ?doc a nfo:Document ; nie:title ?title . }",
cancellable,
results_ready_cb,
loop)
loop.run ()
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