53 lines
1.5 KiB
Python
53 lines
1.5 KiB
Python
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"""
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homeassistant.helpers.state
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Helpers that help with state related things.
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"""
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import logging
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from datetime import datetime
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from homeassistant import State
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from homeassistant.const import STATE_ON, STATE_OFF
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import homeassistant.components as core_components
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_LOGGER = logging.getLogger(__name__)
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# pylint: disable=too-few-public-methods, attribute-defined-outside-init
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class TrackStates(object):
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"""
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Records the time when the with-block is entered. Will add all states
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that have changed since the start time to the return list when with-block
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is exited.
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"""
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def __init__(self, hass):
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self.hass = hass
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self.states = []
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def __enter__(self):
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self.now = datetime.now()
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return self.states
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def __exit__(self, exc_type, exc_value, traceback):
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self.states.extend(self.hass.states.get_since(self.now))
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def reproduce_state(hass, states):
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""" Takes in a state and will try to have the entity reproduce it. """
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if isinstance(states, State):
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states = [states]
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for state in states:
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current_state = hass.states.get(state.entity_id)
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if current_state is None:
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continue
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if state.state == STATE_ON:
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core_components.turn_on(hass, state.entity_id, **state.attributes)
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elif state.state == STATE_OFF:
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core_components.turn_off(hass, state.entity_id, **state.attributes)
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else:
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_LOGGER.warning("Unable to reproduce state for %s", state)
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