core/homeassistant/helpers/icon.py

21 lines
673 B
Python

"""Icon helper methods."""
from typing import Optional
def icon_for_battery_level(battery_level: Optional[int] = None,
charging: bool = False) -> str:
"""Return a battery icon valid identifier."""
icon = 'mdi:battery'
if battery_level is None:
return icon + '-unknown'
if charging and battery_level > 10:
icon += '-charging-{}'.format(
int(round(battery_level / 20 - .01)) * 20)
elif charging:
icon += '-outline'
elif battery_level <= 5:
icon += '-alert'
elif 5 < battery_level < 95:
icon += '-{}'.format(int(round(battery_level / 10 - .01)) * 10)
return icon