83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
"""
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homeassistant.components.switch.wemo
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Support for WeMo switches.
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"""
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import logging
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from homeassistant.components.switch import SwitchDevice
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REQUIREMENTS = ['pywemo>=0.1']
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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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""" Find and return WeMo switches. """
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import pywemo
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import pywemo.discovery as discovery
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if discovery_info is not None:
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device = discovery.device_from_description(discovery_info)
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if device:
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add_devices_callback([WemoSwitch(device)])
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return
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logging.getLogger(__name__).info("Scanning for WeMo devices")
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switches = pywemo.discover_devices()
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# Filter out the switches and wrap in WemoSwitch object
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add_devices_callback(
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[WemoSwitch(switch) for switch in switches
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if isinstance(switch, pywemo.Switch)])
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class WemoSwitch(SwitchDevice):
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""" Represents a WeMo switch within Home Assistant. """
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def __init__(self, wemo):
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self.wemo = wemo
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self.insight_params = None
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@property
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def unique_id(self):
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""" Returns the id of this WeMo switch """
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return "{}.{}".format(self.__class__, self.wemo.serialnumber)
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@property
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def name(self):
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""" Returns the name of the switch if any. """
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return self.wemo.name
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@property
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def current_power_mwh(self):
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""" Current power usage in mwh. """
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if self.insight_params:
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return self.insight_params['currentpower']
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@property
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def today_power_mw(self):
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""" Today total power usage in mw. """
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if self.insight_params:
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return self.insight_params['todaymw']
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@property
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def is_on(self):
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""" True if switch is on. """
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return self.wemo.get_state()
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def turn_on(self, **kwargs):
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""" Turns the switch on. """
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self.wemo.on()
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def turn_off(self):
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""" Turns the switch off. """
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self.wemo.off()
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def update(self):
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""" Update WeMo state. """
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self.wemo.get_state(True)
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if self.wemo.model.startswith('Belkin Insight'):
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self.insight_params = self.wemo.insight_params
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