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Teach UnitlessRatioConverter about ppm and ppb (#92989)

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Erik Montnemery 2023-05-12 16:46:37 +02:00 • committed by GitHub
parent 7807df4426
commit 9a70f47049
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3 changed files with 9 additions and 0 deletions
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4
homeassistant/util/unit_conversion.py
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@ -2,6 +2,8 @@
from __future__ import annotations
from homeassistant.const import (
CONCENTRATION_PARTS_PER_BILLION,
CONCENTRATION_PARTS_PER_MILLION,
PERCENTAGE,
UNIT_NOT_RECOGNIZED_TEMPLATE,
UnitOfDataRate,
@ -421,6 +423,8 @@ class UnitlessRatioConverter(BaseUnitConverter):
NORMALIZED_UNIT = None
_UNIT_CONVERSION: dict[str | None, float] = {
None: 1,
CONCENTRATION_PARTS_PER_BILLION: 1000000000,
CONCENTRATION_PARTS_PER_MILLION: 1000000,
PERCENTAGE: 100,
}
VALID_UNITS = {