Add service descriptions

homeassistant/components/alarm_control_panel/__init__.py

@@ -4,12 +4,15 @@ homeassistant.components.alarm_control_panel
 Component to interface with a alarm control panel.
 """
 import logging
-from homeassistant.helpers.entity import Entity
+import os
-from homeassistant.helpers.entity_component import EntityComponent
+
 from homeassistant.components import verisure
 from homeassistant.const import (
     ATTR_ENTITY_ID,
     SERVICE_ALARM_DISARM, SERVICE_ALARM_ARM_HOME, SERVICE_ALARM_ARM_AWAY)
+from homeassistant.config import load_yaml_config_file
+from homeassistant.helpers.entity import Entity
+from homeassistant.helpers.entity_component import EntityComponent
 
 DOMAIN = 'alarm_control_panel'
 DEPENDENCIES = []
@@ -59,8 +62,12 @@ def setup(hass, config):
         for alarm in target_alarms:
             getattr(alarm, method)(code)
 
+    descriptions = load_yaml_config_file(
+        os.path.join(os.path.dirname(__file__), 'services.yaml'))
+
     for service in SERVICE_TO_METHOD:
-        hass.services.register(DOMAIN, service, alarm_service_handler)
+        hass.services.register(DOMAIN, service, alarm_service_handler,
+                               descriptions.get(service))
 
     return True
 

homeassistant/components/demo.py

@@ -60,7 +60,7 @@ def setup(hass, config):
         {'camera': {
             'platform': 'generic',
             'name': 'IP Camera',
-            'still_image_url': 'http://194.218.96.92/jpg/image.jpg',
+            'still_image_url': 'http://home-assistant.io/demo/webcam.jpg',
         }})
 
     # Setup scripts

homeassistant/components/device_tracker/__init__.py

@@ -175,7 +175,10 @@ def setup(hass, config):
                  ATTR_GPS, ATTR_GPS_ACCURACY, ATTR_BATTERY)}
         tracker.see(**args)
 
-    hass.services.register(DOMAIN, SERVICE_SEE, see_service)
+    descriptions = load_yaml_config_file(
+        os.path.join(os.path.dirname(__file__), 'services.yaml'))
+    hass.services.register(DOMAIN, SERVICE_SEE, see_service,
+                           descriptions.get(SERVICE_SEE))
 
     return True
 

homeassistant/components/frontend/version.py

@@ -1,2 +1,2 @@
 """ DO NOT MODIFY. Auto-generated by build_frontend script """
-VERSION = "5ba745608f6271b781fc41c1e8f8deb0"
+VERSION = "1dae3a2fb4ea4ff853d0d0c647f0ac51"

homeassistant/components/frontend/www_static/home-assistant-polymer

@@ -1 +1 @@
-Subproject commit 78cf25f605724ae84d8e23d0e7ab97845f53725a
+Subproject commit 72bceff0fcfe7ba440cc1676ec0fe77ac0f6e200

homeassistant/components/light/__init__.py

@@ -52,14 +52,14 @@ import logging
 import os
 import csv
 
-from homeassistant.helpers.entity_component import EntityComponent
+from homeassistant.components import group, discovery, wink, isy994
-from homeassistant.helpers.entity import ToggleEntity
+from homeassistant.config import load_yaml_config_file
-
-import homeassistant.util as util
-import homeassistant.util.color as color_util
 from homeassistant.const import (
     STATE_ON, SERVICE_TURN_ON, SERVICE_TURN_OFF, ATTR_ENTITY_ID)
-from homeassistant.components import group, discovery, wink, isy994
+from homeassistant.helpers.entity import ToggleEntity
+from homeassistant.helpers.entity_component import EntityComponent
+import homeassistant.util as util
+import homeassistant.util.color as color_util
 
 
 DOMAIN = "light"
@@ -275,11 +275,13 @@ def setup(hass, config):
                 light.update_ha_state(True)
 
     # Listen for light on and light off service calls
-    hass.services.register(DOMAIN, SERVICE_TURN_ON,
+    descriptions = load_yaml_config_file(
-                           handle_light_service)
+        os.path.join(os.path.dirname(__file__), 'services.yaml'))
+    hass.services.register(DOMAIN, SERVICE_TURN_ON, handle_light_service,
+                           descriptions.get(SERVICE_TURN_ON))
 
-    hass.services.register(DOMAIN, SERVICE_TURN_OFF,
+    hass.services.register(DOMAIN, SERVICE_TURN_OFF, handle_light_service,
-                           handle_light_service)
+                           descriptions.get(SERVICE_TURN_OFF))
 
     return True
 

homeassistant/components/light/services.yaml

@@ -0,0 +1,52 @@
+# Describes the format for available light services
+
+turn_on:
+  description: Turn a light on
+
+  fields:
+    entity_id:
+      description: Name(s) of entities to turn on
+      example: 'light.kitchen'
+
+    transition:
+      description: Duration in seconds it takes to get to next state
+      example: 60
+
+    rgb_color:
+      description: Color for the light in RGB-format
+      example: '[255, 100, 100]'
+
+    xy_color:
+      description: Color for the light in XY-format
+      example: '[0.52, 0.43]'
+
+    brightness:
+      description: Number between 0..255 indicating brightness
+      example: 120
+
+    profile:
+      description: Name of a light profile to use
+      example: relax
+
+    flash:
+      description: If the light should flash
+      values:
+        - short
+        - long
+
+    effect:
+      description: Light effect
+      values:
+        - colorloop
+
+turn_off:
+  description: Turn a light off
+
+  fields:
+    entity_id:
+      description: Name(s) of entities to turn off
+      example: 'light.kitchen'
+
+    transition:
+      description: Duration in seconds it takes to get to next state
+      example: 60

homeassistant/components/media_player/__init__.py

@@ -5,8 +5,10 @@ homeassistant.components.media_player
 Component to interface with various media players.
 """
 import logging
+import os
 
 from homeassistant.components import discovery
+from homeassistant.config import load_yaml_config_file
 from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.const import (
@@ -186,6 +188,9 @@ def setup(hass, config):
 
     component.setup(config)
 
+    descriptions = load_yaml_config_file(
+        os.path.join(os.path.dirname(__file__), 'services.yaml'))
+
     def media_player_service_handler(service):
         """ Maps services to methods on MediaPlayerDevice. """
         target_players = component.extract_from_service(service)
@@ -199,7 +204,8 @@ def setup(hass, config):
                 player.update_ha_state(True)
 
     for service in SERVICE_TO_METHOD:
-        hass.services.register(DOMAIN, service, media_player_service_handler)
+        hass.services.register(DOMAIN, service, media_player_service_handler,
+                               descriptions.get(service))
 
     def volume_set_service(service):
         """ Set specified volume on the media player. """
@@ -216,7 +222,8 @@ def setup(hass, config):
             if player.should_poll:
                 player.update_ha_state(True)
 
-    hass.services.register(DOMAIN, SERVICE_VOLUME_SET, volume_set_service)
+    hass.services.register(DOMAIN, SERVICE_VOLUME_SET, volume_set_service,
+                           descriptions.get(SERVICE_VOLUME_SET))
 
     def volume_mute_service(service):
         """ Mute (true) or unmute (false) the media player. """
@@ -233,7 +240,8 @@ def setup(hass, config):
             if player.should_poll:
                 player.update_ha_state(True)
 
-    hass.services.register(DOMAIN, SERVICE_VOLUME_MUTE, volume_mute_service)
+    hass.services.register(DOMAIN, SERVICE_VOLUME_MUTE, volume_mute_service,
+                           descriptions.get(SERVICE_VOLUME_MUTE))
 
     def media_seek_service(service):
         """ Seek to a position. """
@@ -250,7 +258,8 @@ def setup(hass, config):
             if player.should_poll:
                 player.update_ha_state(True)
 
-    hass.services.register(DOMAIN, SERVICE_MEDIA_SEEK, media_seek_service)
+    hass.services.register(DOMAIN, SERVICE_MEDIA_SEEK, media_seek_service,
+                           descriptions.get(SERVICE_MEDIA_SEEK))
 
     def play_youtube_video_service(service, media_id=None):
         """ Plays specified media_id on the media player. """
@@ -268,14 +277,17 @@ def setup(hass, config):
 
     hass.services.register(
         DOMAIN, "start_fireplace",
-        lambda service: play_youtube_video_service(service, "eyU3bRy2x44"))
+        lambda service: play_youtube_video_service(service, "eyU3bRy2x44"),
+        descriptions.get('start_fireplace'))
 
     hass.services.register(
         DOMAIN, "start_epic_sax",
-        lambda service: play_youtube_video_service(service, "kxopViU98Xo"))
+        lambda service: play_youtube_video_service(service, "kxopViU98Xo"),
+        descriptions.get('start_epic_sax'))
 
     hass.services.register(
-        DOMAIN, SERVICE_YOUTUBE_VIDEO, play_youtube_video_service)
+        DOMAIN, SERVICE_YOUTUBE_VIDEO, play_youtube_video_service,
+        descriptions.get(SERVICE_YOUTUBE_VIDEO))
 
     return True
 

homeassistant/components/notify/__init__.py

@@ -6,7 +6,9 @@ Provides functionality to notify people.
 """
 from functools import partial
 import logging
+import os
 
+from homeassistant.config import load_yaml_config_file
 from homeassistant.loader import get_component
 from homeassistant.helpers import config_per_platform
 
@@ -36,6 +38,9 @@ def setup(hass, config):
     """ Sets up notify services. """
     success = False
 
+    descriptions = load_yaml_config_file(
+        os.path.join(os.path.dirname(__file__), 'services.yaml'))
+
     for platform, p_config in config_per_platform(config, DOMAIN, _LOGGER):
         # get platform
         notify_implementation = get_component(
@@ -69,7 +74,8 @@ def setup(hass, config):
         # register service
         service_call_handler = partial(notify_message, notify_service)
         service_notify = p_config.get(CONF_NAME, SERVICE_NOTIFY)
-        hass.services.register(DOMAIN, service_notify, service_call_handler)
+        hass.services.register(DOMAIN, service_notify, service_call_handler,
+                               descriptions.get(service_notify))
         success = True
 
     return success

homeassistant/components/switch/__init__.py

@@ -3,9 +3,11 @@ homeassistant.components.switch
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Component to interface with various switches that can be controlled remotely.
 """
-import logging
 from datetime import timedelta
+import logging
+import os
 
+from homeassistant.config import load_yaml_config_file
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.entity import ToggleEntity
 
@@ -83,8 +85,12 @@ def setup(hass, config):
             if switch.should_poll:
                 switch.update_ha_state(True)
 
-    hass.services.register(DOMAIN, SERVICE_TURN_OFF, handle_switch_service)
+    descriptions = load_yaml_config_file(
-    hass.services.register(DOMAIN, SERVICE_TURN_ON, handle_switch_service)
+        os.path.join(os.path.dirname(__file__), 'services.yaml'))
+    hass.services.register(DOMAIN, SERVICE_TURN_OFF, handle_switch_service,
+                           descriptions.get(SERVICE_TURN_OFF))
+    hass.services.register(DOMAIN, SERVICE_TURN_ON, handle_switch_service,
+                           descriptions.get(SERVICE_TURN_ON))
 
     return True
 

homeassistant/components/thermostat/__init__.py

@@ -5,9 +5,11 @@ homeassistant.components.thermostat
 Provides functionality to interact with thermostats.
 """
 import logging
+import os
 
 from homeassistant.helpers.entity_component import EntityComponent
 
+from homeassistant.config import load_yaml_config_file
 import homeassistant.util as util
 from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.temperature import convert
@@ -101,11 +103,16 @@ def setup(hass, config):
         for thermostat in target_thermostats:
             thermostat.update_ha_state(True)
 
-    hass.services.register(
+    descriptions = load_yaml_config_file(
-        DOMAIN, SERVICE_SET_AWAY_MODE, thermostat_service)
+        os.path.join(os.path.dirname(__file__), 'services.yaml'))
 
     hass.services.register(
-        DOMAIN, SERVICE_SET_TEMPERATURE, thermostat_service)
+        DOMAIN, SERVICE_SET_AWAY_MODE, thermostat_service,
+        descriptions.get(SERVICE_SET_AWAY_MODE))
+
+    hass.services.register(
+        DOMAIN, SERVICE_SET_TEMPERATURE, thermostat_service,
+        descriptions.get(SERVICE_SET_TEMPERATURE))
 
     return True
 

homeassistant/core.py

@@ -525,6 +525,28 @@ class StateMachine(object):
                                   from_state, to_state)
 
 
+# pylint: disable=too-few-public-methods
+class Service(object):
+    """ Represents a service. """
+
+    __slots__ = ['func', 'description', 'fields']
+
+    def __init__(self, func, description, fields):
+        self.func = func
+        self.description = description or ''
+        self.fields = fields or {}
+
+    def as_dict(self):
+        """ Return dictionary representation of this service. """
+        return {
+            'description': self.description,
+            'fields': self.fields,
+        }
+
+    def __call__(self, call):
+        self.func(call)
+
+
 # pylint: disable=too-few-public-methods
 class ServiceCall(object):
     """ Represents a call to a service. """
@@ -559,20 +581,29 @@ class ServiceRegistry(object):
     def services(self):
         """ Dict with per domain a list of available services. """
         with self._lock:
-            return {domain: list(self._services[domain].keys())
+            return {domain: {key: value.as_dict() for key, value
+                             in self._services[domain].items()}
                     for domain in self._services}
 
     def has_service(self, domain, service):
         """ Returns True if specified service exists. """
         return service in self._services.get(domain, [])
 
-    def register(self, domain, service, service_func):
+    def register(self, domain, service, service_func, description=None):
-        """ Register a service. """
+        """
+        Register a service.
+
+        Description is a dict containing key 'description' to describe
+        the service and a key 'fields' to describe the fields.
+        """
+        description = description or {}
+        service_obj = Service(service_func, description.get('description'),
+                              description.get('fields', {}))
         with self._lock:
             if domain in self._services:
-                self._services[domain][service] = service_func
+                self._services[domain][service] = service_obj
             else:
-                self._services[domain] = {service: service_func}
+                self._services[domain] = {service: service_obj}
 
             self._bus.fire(
                 EVENT_SERVICE_REGISTERED,

tests/test_core.py

@@ -441,7 +441,7 @@ class TestServiceRegistry(unittest.TestCase):
 
     def test_services(self):
         expected = {
-            'test_domain': ['test_service']
+            'test_domain': {'test_service': {'description': '', 'fields': {}}}
         }
         self.assertEqual(expected, self.services.services)