Source code for semi_cr.core.station.units

from pint import Quantity, UnitRegistry

ureg: UnitRegistry = UnitRegistry()
Q = ureg.Quantity

type VoltageLike = float | Quantity | str



[docs]
def as_volts(value: VoltageLike) -> float:
    """Converts to volts. Strings are parsed by pint, e.g. "20 mV"; bare numbers are taken as volts."""
    if isinstance(value, str):
        value = Q(value)
    if isinstance(value, Quantity):
        return float(value.m_as("V"))
    return float(value)