util.py

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"""Utils for CO2 signal."""
 
from __future__ import annotations
 
from collections.abc import Mapping
from typing import Any
 
from homeassistant.const import CONF_COUNTRY_CODE, CONF_LATITUDE, CONF_LONGITUDE
 
 
def get_extra_name(config: Mapping[str, Any]) -> str | None:
    """Return the extra name describing the location if not home."""
    if CONF_COUNTRY_CODE in config:
        return config[CONF_COUNTRY_CODE]  # type: ignore[no-any-return]
 
    if CONF_LATITUDE in config:
        return f"{round(config[CONF_LATITUDE], 2)}, {round(config[CONF_LONGITUDE], 2)}"
 
    return None