Check that no configuration is provided (#3675)

homeassistant/components/lirc.py

@@ -1,28 +1,35 @@
 """
 LIRC interface to receive signals from a infrared remote control.
 
-This sensor will momentarily set state to various values as defined
-in the .lintrc file which can be interpreted in home-assistant to
-trigger various actions.
-
-Sending signals to other IR receivers can be accomplished with the
-shell_command component and the irsend command for now.
+For more details about this component, please refer to the documentation at
+https://home-assistant.io/components/lirc/
 """
 # pylint: disable=import-error
 import threading
 import time
 import logging
 
-from homeassistant.const import (EVENT_HOMEASSISTANT_STOP,
-                                 EVENT_HOMEASSISTANT_START)
+import voluptuous as vol
+
+from homeassistant.const import (
+    EVENT_HOMEASSISTANT_STOP, EVENT_HOMEASSISTANT_START)
 
-DOMAIN = "lirc"
 REQUIREMENTS = ['python-lirc==1.2.1']
+
 _LOGGER = logging.getLogger(__name__)
-ICON = 'mdi:remote'
-EVENT_IR_COMMAND_RECEIVED = 'ir_command_received'
+
 BUTTON_NAME = 'button_name'
 
+DOMAIN = 'lirc'
+
+EVENT_IR_COMMAND_RECEIVED = 'ir_command_received'
+
+ICON = 'mdi:remote'
+
+CONFIG_SCHEMA = vol.Schema({
+    DOMAIN: vol.Schema({}),
+}, extra=vol.ALLOW_EXTRA)
+
 
 def setup(hass, config):
     """Setup LIRC capability."""
@@ -65,20 +72,19 @@ class LircInterface(threading.Thread):
     def run(self):
         """Main loop of LIRC interface thread."""
         import lirc
-        _LOGGER.debug('LIRC interface thread started')
+        _LOGGER.debug("LIRC interface thread started")
         while not self.stopped.isSet():
             try:
                 code = lirc.nextcode()  # list; empty if no buttons pressed
             except lirc.NextCodeError:
-                _LOGGER.warning('Encountered error reading '
-                                'next code from LIRC')
+                _LOGGER.warning("Error reading next code from LIRC")
                 code = None
             # interpret result from python-lirc
             if code:
                 code = code[0]
-                _LOGGER.info('Got new LIRC code %s', code)
-                self.hass.bus.fire(EVENT_IR_COMMAND_RECEIVED,
-                                   {BUTTON_NAME: code})
+                _LOGGER.info("Got new LIRC code %s", code)
+                self.hass.bus.fire(
+                    EVENT_IR_COMMAND_RECEIVED, {BUTTON_NAME: code})
             else:
                 time.sleep(0.2)
         lirc.deinit()