def parse_physical_size(physical_size: Optional[int],
unit: Optional[str]) -> Optional[Quantity]:
supported_units = ("meters", "inches", "cm")
if physical_size is not None and parse_float(physical_size) is not None \
and unit in supported_units:
return parse_float(physical_size) * UNIT_REGISTRY(unit)
return None
def parse_physical_size(physical_size: Optional[str], unit: Optional[str],
inverse: bool) -> Optional[Quantity]:
supported_units = {1: "meter", 2: "inch"}
if type(unit) == str:
supported_units = {"meters": "meter", "inches": "inch"}
if physical_size is not None and parse_float(physical_size) is not None \
and unit in supported_units.keys():
physical_size = parse_float(physical_size)
if inverse:
physical_size = 1 / physical_size
return physical_size * UNIT_REGISTRY(supported_units[unit])
return None
def test_float_parser():
assert parse_float(2.3) == 2.3
assert parse_float("2.3") == 2.3
assert parse_float("2,3") == 2.3
assert parse_float("foo", False) is None
with pytest.raises(ValueError):
parse_float("foo", True)
def parse_physical_size(physical_size: str) -> Optional[Quantity]:
if physical_size is not None and parse_float(
physical_size) is not None:
return parse_float(physical_size) * UNIT_REGISTRY("millimeter")
return None
def parse_physical_size(
physical_size: Optional[str]) -> Optional[Quantity]:
if physical_size is not None and parse_float(physical_size) not in (
None, 0.0):
return 1 / parse_float(physical_size) * UNIT_REGISTRY("meters")
return None