87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
"""The Dexcom integration."""
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from datetime import timedelta
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import logging
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from pydexcom import AccountError, Dexcom, SessionError
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_PASSWORD, CONF_UNIT_OF_MEASUREMENT, CONF_USERNAME
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from homeassistant.core import HomeAssistant
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from homeassistant.exceptions import ConfigEntryNotReady
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
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from .const import (
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CONF_SERVER,
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COORDINATOR,
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DOMAIN,
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MG_DL,
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PLATFORMS,
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SERVER_OUS,
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UNDO_UPDATE_LISTENER,
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)
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_LOGGER = logging.getLogger(__name__)
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SCAN_INTERVAL = timedelta(seconds=180)
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async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
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"""Set up Dexcom from a config entry."""
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try:
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dexcom = await hass.async_add_executor_job(
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Dexcom,
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entry.data[CONF_USERNAME],
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entry.data[CONF_PASSWORD],
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entry.data[CONF_SERVER] == SERVER_OUS,
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)
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except AccountError:
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return False
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except SessionError as error:
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raise ConfigEntryNotReady from error
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if not entry.options:
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hass.config_entries.async_update_entry(
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entry, options={CONF_UNIT_OF_MEASUREMENT: MG_DL}
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)
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async def async_update_data():
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try:
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return await hass.async_add_executor_job(dexcom.get_current_glucose_reading)
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except SessionError as error:
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raise UpdateFailed(error) from error
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hass.data.setdefault(DOMAIN, {})
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hass.data[DOMAIN][entry.entry_id] = {
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COORDINATOR: DataUpdateCoordinator(
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hass,
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_LOGGER,
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name=DOMAIN,
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update_method=async_update_data,
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update_interval=SCAN_INTERVAL,
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),
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UNDO_UPDATE_LISTENER: entry.add_update_listener(update_listener),
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}
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await hass.data[DOMAIN][entry.entry_id][
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COORDINATOR
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].async_config_entry_first_refresh()
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await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
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return True
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async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
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"""Unload a config entry."""
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unload_ok = await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
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hass.data[DOMAIN][entry.entry_id][UNDO_UPDATE_LISTENER]()
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if unload_ok:
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hass.data[DOMAIN].pop(entry.entry_id)
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return unload_ok
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async def update_listener(hass: HomeAssistant, entry: ConfigEntry) -> None:
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"""Handle options update."""
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await hass.config_entries.async_reload(entry.entry_id)
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