import gtk

win = gtk.Window()
win.connect('destroy', gtk.main_quit)

entry1 = gtk.Entry()
entry2 = gtk.Entry()

button1 = gtk.Button('Button1')
button2 = gtk.Button('Button2')
button3 = gtk.Button('Button3')
button4 = gtk.Button('Button4')

sw_child = gtk.Table()
sw_child.set_size_request(300, 300)

sw = gtk.ScrolledWindow()
sw.add(sw_child)
#sw.set_vexpand(True)

vbox_l = gtk.VBox()
vbox_l.set_spacing(10)

vbox_l.pack_start(entry1, 0, 0, 0)
vbox_l.pack_start(entry2, 0, 0, 0)
vbox_l.pack_start(sw, 1, 1, 0)

vbox_r = gtk.VBox()
vbox_r.set_spacing(10)

vbox_r.pack_start(button1, 0, 0, 0)
vbox_r.pack_start(button2, 0, 0, 0)
vbox_r.pack_start(button3, 0, 0, 0)
vbox_r.pack_start(button4, 0, 0, 0)

hbox = gtk.HBox()
hbox.set_spacing(10)

hbox.pack_start(vbox_l, 0, 0, 0)
hbox.pack_start(vbox_r, 0, 0, 0)

win.set_border_width(10)
win.add(hbox)

win.show_all()

gtk.main()