docs: def main():
      """ Generates code for name_to_rgb dict, assuming an rgb.txt file available (in X11 format)."""
      import re
      with open('rgb.txt') as fp:
          line = fp.readline()
          while line:
              reg = re.match(r'\s*(\d+)\s*(\d+)\s*(\d+)\s*(\w.*\w).*', line)
              if reg:
                  r = int(reg.group(1)) / 255.
                  g = int(reg.group(2)) / 255.
                  b = int(reg.group(3)) / 255.
                  d = reg.group(4)
                  print "'%s' : np.array([%.2f, %.2f, %.2f])," % (d, r, g, b)
              line = fp.readline()