96 lines
3.4 KiB
Python
96 lines
3.4 KiB
Python
"""
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homeassistant.components.switch.arest
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The arest switch can control the digital pins of a device running with the
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aREST RESTful framework for Arduino, the ESP8266, and the Raspberry Pi.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/switch.arest.html
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"""
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import logging
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import requests
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from homeassistant.components.switch import SwitchDevice
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from homeassistant.const import DEVICE_DEFAULT_NAME
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_devices, discovery_info=None):
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""" Get the aREST switches. """
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resource = config.get('resource', None)
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try:
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response = requests.get(resource, timeout=10)
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except requests.exceptions.MissingSchema:
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_LOGGER.error("Missing resource or schema in configuration. "
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"Add http:// to your URL.")
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return False
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except requests.exceptions.ConnectionError:
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_LOGGER.error("No route to device at %s. "
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"Please check the IP address in the configuration file.",
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resource)
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return False
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dev = []
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pins = config.get('pins')
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for pinnum, pin in pins.items():
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dev.append(ArestSwitch(resource,
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config.get('name', response.json()['name']),
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pin.get('name'),
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pinnum))
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add_devices(dev)
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class ArestSwitch(SwitchDevice):
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""" Implements an aREST switch. """
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def __init__(self, resource, location, name, pin):
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self._resource = resource
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self._name = '{} {}'.format(location.title(), name.title()) \
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or DEVICE_DEFAULT_NAME
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self._pin = pin
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self._state = None
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request = requests.get('{}/mode/{}/o'.format(self._resource,
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self._pin), timeout=10)
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if request.status_code is not 200:
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_LOGGER.error("Can't set mode. Is device offline?")
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@property
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def name(self):
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""" The name of the switch. """
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return self._name
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@property
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def is_on(self):
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""" True if device is on. """
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return self._state
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def turn_on(self, **kwargs):
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""" Turn the device on. """
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request = requests.get('{}/digital/{}/1'.format(self._resource,
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self._pin), timeout=10)
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if request.status_code == 200:
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self._state = True
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else:
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_LOGGER.error("Can't turn on pin %s at %s. Is device offline?",
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self._resource, self._pin)
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def turn_off(self, **kwargs):
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""" Turn the device off. """
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request = requests.get('{}/digital/{}/0'.format(self._resource,
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self._pin), timeout=10)
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if request.status_code == 200:
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self._state = False
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else:
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_LOGGER.error("Can't turn off pin %s at %s. Is device offline?",
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self._resource, self._pin)
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def update(self):
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""" Gets the latest data from aREST API and updates the state. """
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request = requests.get('{}/digital/{}'.format(self._resource,
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self._pin), timeout=10)
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self._state = request.json()['return_value'] != 0
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