101 lines
3.0 KiB
Python
101 lines
3.0 KiB
Python
"""
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Support for RESTful switches.
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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.rest/
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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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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = "REST Switch"
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DEFAULT_BODY_ON = "ON"
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DEFAULT_BODY_OFF = "OFF"
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# pylint: disable=unused-argument,
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def setup_platform(hass, config, add_devices_callback, discovery_info=None):
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"""Setup the REST switch."""
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resource = config.get('resource')
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if resource is None:
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_LOGGER.error("Missing required variable: resource")
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return False
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try:
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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:// or https:// 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 resource/endpoint: %s", resource)
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return False
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add_devices_callback([RestSwitch(
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hass,
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config.get('name', DEFAULT_NAME),
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config.get('resource'),
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config.get('body_on', DEFAULT_BODY_ON),
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config.get('body_off', DEFAULT_BODY_OFF))])
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# pylint: disable=too-many-arguments
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class RestSwitch(SwitchDevice):
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"""Representation of a switch that can be toggled using REST."""
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def __init__(self, hass, name, resource, body_on, body_off):
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"""Initialize the REST switch."""
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self._state = None
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self._hass = hass
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self._name = name
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self._resource = resource
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self._body_on = body_on
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self._body_off = body_off
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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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"""Return 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.post(self._resource,
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data=self._body_on,
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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 %s. Is resource/endpoint offline?",
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self._resource)
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def turn_off(self, **kwargs):
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"""Turn the device off."""
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request = requests.post(self._resource,
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data=self._body_off,
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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 %s. Is resource/endpoint offline?",
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self._resource)
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def update(self):
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"""Get the latest data from REST API and update the state."""
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request = requests.get(self._resource, timeout=10)
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if request.text == self._body_on:
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self._state = True
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elif request.text == self._body_off:
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self._state = False
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else:
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self._state = None
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