Pencom (#19369)

* Added Pencom relay switch.

* Added Pencom relay switch.

* Cleaned up for submission.

* Fixed attribute keys. Switched to add_entities.

.coveragerc

@@ -883,6 +883,7 @@ omit =
     homeassistant/components/switch/mystrom.py
     homeassistant/components/switch/netio.py
     homeassistant/components/switch/orvibo.py
+    homeassistant/components/switch/pencom.py
     homeassistant/components/switch/pulseaudio_loopback.py
     homeassistant/components/switch/rainbird.py
     homeassistant/components/switch/rest.py

homeassistant/components/switch/pencom.py

@@ -0,0 +1,101 @@
+"""Pencom relay control.
+
+For more details about this component, please refer to the documentation at
+http://home-assistant.io/components/switch.pencom
+"""
+import logging
+
+import voluptuous as vol
+
+from homeassistant.components.switch import SwitchDevice, PLATFORM_SCHEMA
+from homeassistant.const import CONF_HOST, CONF_PORT, CONF_NAME
+from homeassistant.exceptions import PlatformNotReady
+import homeassistant.helpers.config_validation as cv
+
+REQUIREMENTS = ['pencompy==0.0.3']
+
+_LOGGER = logging.getLogger(__name__)
+
+CONF_BOARDS = 'boards'
+CONF_BOARD = 'board'
+CONF_ADDR = 'addr'
+CONF_RELAYS = 'relays'
+
+RELAY_SCHEMA = vol.Schema({
+    vol.Required(CONF_NAME): cv.string,
+    vol.Required(CONF_ADDR): cv.positive_int,
+    vol.Optional(CONF_BOARD, default=0): cv.positive_int,
+})
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Required(CONF_HOST): cv.string,
+    vol.Required(CONF_PORT): cv.port,
+    vol.Optional(CONF_BOARDS, default=1): cv.positive_int,
+    vol.Required(CONF_RELAYS): vol.All(cv.ensure_list, [RELAY_SCHEMA]),
+})
+
+
+def setup_platform(hass, config, add_entities, discovery_info=None):
+    """Pencom relay platform (pencompy)."""
+    from pencompy.pencompy import Pencompy
+
+    # Assign configuration variables.
+    host = config[CONF_HOST]
+    port = config[CONF_PORT]
+    boards = config[CONF_BOARDS]
+
+    # Setup connection
+    try:
+        hub = Pencompy(host, port, boards=boards)
+    except OSError as error:
+        _LOGGER.error("Could not connect to pencompy: %s", error)
+        raise PlatformNotReady
+
+    # Add devices.
+    devs = []
+    for relay in config[CONF_RELAYS]:
+        name = relay[CONF_NAME]
+        board = relay[CONF_BOARD]
+        addr = relay[CONF_ADDR]
+        devs.append(PencomRelay(hub, board, addr, name))
+    add_entities(devs, True)
+
+
+class PencomRelay(SwitchDevice):
+    """Representation of a pencom relay."""
+
+    def __init__(self, hub, board, addr, name):
+        """Create a relay."""
+        self._hub = hub
+        self._board = board
+        self._addr = addr
+        self._name = name
+        self._state = None
+
+    @property
+    def name(self):
+        """Relay name."""
+        return self._name
+
+    @property
+    def is_on(self):
+        """Return a relay's state."""
+        return self._state
+
+    def turn_on(self, **kwargs):
+        """Turn a relay on."""
+        self._hub.set(self._board, self._addr, True)
+
+    def turn_off(self, **kwargs):
+        """Turn a relay off."""
+        self._hub.set(self._board, self._addr, False)
+
+    def update(self):
+        """Refresh a relay's state."""
+        self._state = self._hub.get(self._board, self._addr)
+
+    @property
+    def device_state_attributes(self):
+        """Return supported attributes."""
+        return {"board": self._board,
+                "addr": self._addr}

requirements_all.txt

@@ -756,6 +756,9 @@ panasonic_viera==0.3.1
 # homeassistant.components.media_player.dunehd
 pdunehd==1.3
 
+# homeassistant.components.switch.pencom
+pencompy==0.0.3
+
 # homeassistant.components.device_tracker.aruba
 # homeassistant.components.device_tracker.cisco_ios
 # homeassistant.components.device_tracker.unifi_direct