94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
"""
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Support for showing the date and the time.
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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/sensor.time_date/
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"""
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import logging
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import homeassistant.util.dt as dt_util
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from homeassistant.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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OPTION_TYPES = {
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'time': 'Time',
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'date': 'Date',
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'date_time': 'Date & Time',
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'time_date': 'Time & Date',
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'beat': 'Time (beat)',
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'time_utc': 'Time (UTC)',
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}
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Setup the Time and Date sensor."""
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if hass.config.time_zone is None:
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_LOGGER.error("Timezone is not set in Home Assistant config")
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return False
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dev = []
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for variable in config['display_options']:
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if variable not in OPTION_TYPES:
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_LOGGER.error('Option type: "%s" does not exist', variable)
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else:
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dev.append(TimeDateSensor(variable))
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add_devices(dev)
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# pylint: disable=too-few-public-methods
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class TimeDateSensor(Entity):
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"""Implementation of a Time and Date sensor."""
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def __init__(self, option_type):
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"""Initialize the sensor."""
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self._name = OPTION_TYPES[option_type]
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self.type = option_type
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self._state = None
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self.update()
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def icon(self):
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"""Icon to use in the frontend, if any."""
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if "date" in self.type and "time" in self.type:
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return "mdi:calendar-clock"
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elif "date" in self.type:
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return "mdi:calendar"
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else:
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return "mdi:clock"
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def update(self):
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"""Get the latest data and updates the states."""
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time_date = dt_util.utcnow()
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time = dt_util.datetime_to_time_str(dt_util.as_local(time_date))
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time_utc = dt_util.datetime_to_time_str(time_date)
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date = dt_util.datetime_to_date_str(dt_util.as_local(time_date))
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# Calculate the beat (Swatch Internet Time) time without date.
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hours, minutes, seconds = time_date.strftime('%H:%M:%S').split(':')
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beat = ((int(seconds) + (int(minutes) * 60) + ((int(hours) + 1) *
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3600)) / 86.4)
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if self.type == 'time':
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self._state = time
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elif self.type == 'date':
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self._state = date
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elif self.type == 'date_time':
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self._state = date + ', ' + time
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elif self.type == 'time_date':
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self._state = time + ', ' + date
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elif self.type == 'time_utc':
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self._state = time_utc
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elif self.type == 'beat':
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self._state = '{0:.2f}'.format(beat)
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