from enthought.traits.api import *
from enthought.traits.ui.api import *

class Camera( HasTraits ):
   """ Camera object """
   gain = Enum(1, 2, 3,
      desc="the gain index of the camera",
      label="gain", )
   exposure = CInt(10,
      desc="the exposure time, in ms",
      label="Exposure", )

   def capture(self):
      """ Captures an image on the camera and returns it """
      print "capturing an image at %i ms exposure, gain: %i" % (
                    self.exposure, self.gain )

if  __name__ == "__main__":
   camera = Camera()
   camera.configure_traits()
   camera.capture()