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
|
#!/usr/bin/env python
#
# Copyright (C) 2009, Nokia <ivan.frade@nokia.com>
#
# 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.
#
import gobject
import dbus
import dbus.service
from dbus.mainloop.glib import DBusGMainLoop
import time
import sys
TRACKER = 'org.freedesktop.Tracker3'
TRACKER_OBJ = '/org/freedesktop/Tracker3/Resources'
#
# Abstract class that does the job.
# Subclasses must implement some methods.
#
class AbstractTextEngine:
def __init__ (self, name, period, msgsize, timeout):
self.publicname = name
self.msgsize = msgsize
self.period = period
# DBus connection
bus = dbus.SessionBus ()
self.tracker = bus.get_object (TRACKER, TRACKER_OBJ)
self.iface = dbus.Interface (self.tracker,
"org.freedesktop.Tracker3.Resources")
if (timeout > 0):
self.call = 0
gobject.timeout_add (timeout * 1000,
self.exit_cb)
def exit_cb (self):
sys.exit (0)
def run (self):
self.callback_id = gobject.timeout_add (self.period * 1000,
self.send_data_cb)
def stop (self):
gobject.source_remove (self.callback_id)
self.callback_id = 0
def send_data_cb (self):
sparql = self.get_insert_sparql ()
self.iface.SparqlUpdate (sparql)
print int(time.time()), self.msgsize, self.publicname
return True
def get_insert_sparql (self):
print "Implement this method in a subclass!!!"
assert False
def get_running_label (self):
print "Implement this method in a subclass!!!"
assert False
|
