from java.lang import System
from java.awt import Color

background_color = Color.white
foreground_color = Color.black
#background_color = Color.black
#foreground_color = Color.white

def setProperties():
  bc = System.getProperty('background_color')
  if bc != None:
    background_color = bc

  fc = System.getProperty('foreground_color')
  if fc != None:
    foreground_color = fc