import pynotify

n = pynotify.Notification("This is my title", "This is my description")
n.set_hint('x', 200)
n.set_hint('y', 400)
n.show()

import gtk.gdk
import pynotify

n = pynotify.Notification("This is my title", "This is my description")
n.set_hint('x', gtk.gdk.screen_width()/2.)
n.set_hint('y', gtk.gdk.screen_height()/2.)
n.show()

from Tkinter import *
r = Tk()
r.withdraw()
width, height = r.winfo_screenwidth(), r.winfo_screenheight()

from commands import getstatusoutput
status, output = getstatusoutput("xwininfo -root")
width = re.compile(r"Width: (d+)").findall(output)[0]
height = re.compile(r"Height: (d+)").findall(output)[0]

from win32api import GetSystemMetrics
      width = GetSystemMetrics (0)
      height = GetSystemMetrics (1)
      print "Screen resolution = %dx%d" % (width, height)