101 lines
3.1 KiB
Python
101 lines
3.1 KiB
Python
"""
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Support for myStrom switches.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/switch.mystrom/
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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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DEFAULT_NAME = 'myStrom Switch'
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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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"""Find and return myStrom switch."""
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host = config.get('host')
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if host is None:
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_LOGGER.error('Missing required variable: host')
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return False
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resource = 'http://{}'.format(host)
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try:
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requests.get(resource, timeout=10)
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except requests.exceptions.ConnectionError:
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_LOGGER.error("No route to device %s. "
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"Please check the IP address in the configuration file",
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host)
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return False
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add_devices([MyStromSwitch(
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config.get('name', DEFAULT_NAME),
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resource)])
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class MyStromSwitch(SwitchDevice):
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"""Representation of a myStrom switch."""
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def __init__(self, name, resource):
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"""Initialize the myStrom switch."""
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self._state = False
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self._name = name
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self._resource = resource
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self.consumption = 0
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@property
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def name(self):
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"""Return 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 switch is on."""
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return self._state
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@property
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def current_power_mwh(self):
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"""Return the urrent power consumption in mWh."""
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return self.consumption
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def turn_on(self, **kwargs):
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"""Turn the switch on."""
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try:
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request = requests.get('{}/relay'.format(self._resource),
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params={'state': '1'},
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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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except requests.exceptions.ConnectionError:
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_LOGGER.error("Can't turn on %s. Is device offline?",
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self._resource)
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def turn_off(self, **kwargs):
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"""Turn the switch off."""
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try:
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request = requests.get('{}/relay'.format(self._resource),
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params={'state': '0'},
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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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except requests.exceptions.ConnectionError:
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_LOGGER.error("Can't turn on %s. Is device 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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try:
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request = requests.get('{}/report'.format(self._resource),
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timeout=10)
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data = request.json()
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self._state = bool(data['relay'])
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self.consumption = data['power']
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except requests.exceptions.ConnectionError:
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_LOGGER.error("No route to device '%s'. Is device offline?",
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self._resource)
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