def get_dimensionality(units, cache={}):
if units in cache:
dim = cache[units]
else:
cache[units] = dim = ureg._get_dimensionality(
to_units_container(units, ureg))
return dim
def __new__(cls, units):
if isinstance(units, cls):
return units
cache = cls._cache
if units in cache:
return cache[units]
else:
self = super().__new__(cls)
self._units = units
self._units_container = to_units_container(units, ureg)
self._dimensionality = get_dimensionality(self._units_container)
cache[units] = self
return self
def get_dimensionality(units):
return ureg._get_dimensionality(to_units_container(units, ureg))