A quick and dirty timer example. If you need to execute after a period of time use Thread.Timer(). This example uses simple thread and event to start and stop a clock in a Gtk 3 window counting up time in a label.
Python
x
61
61
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import gi2
gi.require_version('Gtk', '3.0')3
from gi.repository import Gtk,Pango,GObject4
import threading5
import datetime6
import time7
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class MyWindow(Gtk.Window):9
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def __init__(self):11
self.timer = None12
self.event = None13
self.clock = '00:00:00'14
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Gtk.Window.__init__(self, title="Timer")16
self.set_default_size(800, 450)17
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self.button_start = Gtk.Button(label="Start")19
self.button_start.connect("clicked",self.start_timer)20
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self.button_stop = Gtk.Button(label="Stop")22
self.button_stop.connect("clicked",self.stop_timer)23
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self.status = Gtk.Label()25
self.status.set_text(self.clock)26
# override_font is deprecated but good enough for a preview.27
font = Pango.FontDescription("Tahoma 48")28
self.status.override_font(font)29
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self.vbox = Gtk.VBox()31
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self.vbox.pack_start(self.button_start,False,False,5)33
self.vbox.pack_start(self.button_stop,False,False,5)34
self.vbox.pack_end(self.status,True,True,5)35
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self.add(self.vbox)37
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def get_time(self):39
seconds = 040
while not self.event.is_set():41
seconds += 142
self.clock = str(datetime.timedelta(seconds = seconds))43
self.status.set_text(self.clock)44
time.sleep(1)45
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def start_timer(self,button):47
print('start')48
self.timer = threading.Thread(target=self.get_time)49
self.event = threading.Event()50
self.timer.daemon=True51
self.timer.start() 52
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def stop_timer(self,button):54
print('stop')55
self.event.set()56
self.timer = None57
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win = MyWindow()59
win.connect("destroy", Gtk.main_quit)60
win.show_all()61
Gtk.main()
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