Let esphomeyaml know about class inheritance (#229)

* Allow overriding setup priority

* Add inheritance tree

* Global variables

* Tests and better validation

* Fix

* Lint

esphomeyaml/components/light/binary.py

@@ -1,24 +1,24 @@
 import voluptuous as vol
 
+from esphomeyaml.components import light, output
 import esphomeyaml.config_validation as cv
-from esphomeyaml.components import light
-from esphomeyaml.const import CONF_MAKE_ID, CONF_NAME, CONF_OUTPUT, CONF_EFFECTS
-from esphomeyaml.helpers import App, get_variable, variable
+from esphomeyaml.const import CONF_EFFECTS, CONF_MAKE_ID, CONF_NAME, CONF_OUTPUT
+from esphomeyaml.helpers import App, get_variable, setup_component, variable
 
 PLATFORM_SCHEMA = cv.nameable(light.LIGHT_PLATFORM_SCHEMA.extend({
     cv.GenerateID(CONF_MAKE_ID): cv.declare_variable_id(light.MakeLight),
-    vol.Required(CONF_OUTPUT): cv.use_variable_id(None),
+    vol.Required(CONF_OUTPUT): cv.use_variable_id(output.BinaryOutput),
     vol.Optional(CONF_EFFECTS): light.validate_effects(light.BINARY_EFFECTS),
-}))
+}).extend(cv.COMPONENT_SCHEMA.schema))
 
 
 def to_code(config):
-    output = None
-    for output in get_variable(config[CONF_OUTPUT]):
+    for output_ in get_variable(config[CONF_OUTPUT]):
         yield
-    rhs = App.make_binary_light(config[CONF_NAME], output)
+    rhs = App.make_binary_light(config[CONF_NAME], output_)
     light_struct = variable(config[CONF_MAKE_ID], rhs)
     light.setup_light(light_struct.Pstate, light_struct.Pmqtt, config)
+    setup_component(light_struct.Pstate, config)
 
 
 def to_hass_config(data, config):