1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#!/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.
"""Demonstrates publishing a database over DBus."""
import gi
gi.require_version('Tracker', '3.0')
from gi.repository import Gio
from gi.repository import GLib
from gi.repository import Tracker
import logging
import os
import sys
import tempfile
def main():
logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)
tmpdir = tempfile.mkdtemp(prefix='tracker-test-')
# Where the database is stored.
store_path = Gio.File.new_for_path(tmpdir)
# The database schemas.
ontology_path = Tracker.sparql_get_ontology_nepomuk()
if 'TEST_ONTOLOGIES_DIR' in os.environ:
ontology_path = Gio.File.new_for_path(os.environ['TEST_ONTOLOGIES_DIR'])
cancellable = None
# Create a new, empty database.
conn = Tracker.SparqlConnection.new(
Tracker.SparqlConnectionFlags.NONE,
store_path,
ontology_path,
cancellable)
bus = Gio.bus_get_sync(Gio.BusType.SESSION, cancellable)
unique_name = bus.get_unique_name()
# Publish our endpoint on DBus.
endpoint = Tracker.EndpointDBus.new(conn, bus, None, cancellable)
print(f"Exposing a Tracker endpoint on bus name {unique_name}")
print()
print(f"Try connecting over D-Bus using `tracker3 sparql`:")
print()
print(f" tracker3 sparql --dbus-service={unique_name} -q ...")
loop = GLib.MainLoop.new(None, False)
if os.environ.get('TRACKER_EXAMPLES_AUTOMATED_TEST'):
GLib.timeout_add(10, lambda *args: loop.quit(), None)
else:
print()
print(f"Press CTRL+C to quit.")
loop.run()
main()
|
