Get child of box in a dialog in python Gtk3 -


i'm trying date value calendar in python gtk3. calendar inside dialog. have following code:

import gi  gi.require_version('gtk', '3.0') gi.repository import gtk  class mytest(gtk.window):     def __init__(self):         gtk.window.__init__(self, title="titulo")         self.connect("delete_event", gtk.main_quit)          self.set_border_width(6)         button = gtk.button("open dialog")         button.connect("clicked", self.on_button_clicked)          self.add(button)       def on_button_clicked(self, widget):         dialog = dialogexample(self)         response = dialog.run()          if response == gtk.responsetype.ok:             print("ok")             = dialog.box.cal             date = a.get_date()             print(date)          elif response == gtk.responsetype.cancel:             print("cancel")          dialog.destroy()  class dialogexample(gtk.dialog):     def __init__(self, parent):         gtk.dialog.__init__(self, "my dialog", parent, 0,         (gtk.stock_cancel, gtk.responsetype.cancel,          gtk.stock_ok, gtk.responsetype.ok))          self.set_default_size(150, 100)         box = self.get_content_area()          box.set_border_width(6)         cal = gtk.calendar()          box.add(self.cal)         self.show_all()   window = mytest() window.show_all() gtk.main() 

i cant seem date value calendar. gives me box object has no attribute box. tried using get_child same result. box may in future have 2 children, calendar , other widget. how date calendar?

this can solved using self.

import gi  gi.require_version('gtk', '3.0') gi.repository import gtk  class mytest(gtk.window):     def __init__(self):         gtk.window.__init__(self, title="titulo")         self.connect("delete_event", gtk.main_quit)          self.set_border_width(6)         button = gtk.button("open dialog")         button.connect("clicked", self.on_button_clicked)          self.add(button)       def on_button_clicked(self, widget):         dialog = dialogexample(self)         response = dialog.run()          if response == gtk.responsetype.ok:             print("ok")             = dialog.cal             date = a.get_date()             print(date)         elif response == gtk.responsetype.cancel:             print("cancel")          dialog.destroy()  class dialogexample(gtk.dialog):     def __init__(self, parent):         gtk.dialog.__init__(self, "my dialog", parent, 0,         (gtk.stock_cancel, gtk.responsetype.cancel,          gtk.stock_ok, gtk.responsetype.ok))          self.set_default_size(150, 100)         self.box = self.get_content_area()          self.box.set_border_width(6)         self.cal = gtk.calendar()          self.box.add(self.cal)         self.show_all()   window = mytest() window.show_all() gtk.main()