blender/release/scripts/templates/gamelogic_module.py

# This module can be accessed by a python controller with
# its execution method set to 'Module'
# * Set the module string to "gamelogic_module.main" (without quotes)
# * When renaming the script it MUST have a .py extension
# * External text modules are supported as long as they are at
#   the same location as the blendfile or one of its libraries.

import bge

# variables defined here will only be set once when the
# module is first imported. Set object spesific vars
# inside the function if you intend to use the module
# with multiple objects.

def main(cont):
    own = cont.owner

    sens = cont.sensors['mySensor']
    actu = cont.actuators['myActuator']

    if sens.positive:
        cont.activate(actu)
    else:
        cont.deactivate(actu)

# dont call main(bge.logic.getCurrentController()), the py controller will