def __rmatmul__(cls, setting: Any):
from concrete_settings import Setting
if not isinstance(setting, Setting):
setting = Setting(setting)
bhv = cls()
return bhv(setting)
def _make_setting_from_attribute(
mcs, name, attr, annotations) -> Union[PropertySetting, Setting]:
# is it a class method?
if isinstance(attr, types.FunctionType):
return PropertySetting(attr)
type_hint = annotations.get(name, GuessSettingType)
return Setting(attr, doc="", type_hint=type_hint)
def test_setting_ctor(v_int):
validators = (lambda x: x, )
s = Setting(v_int, type_hint=int, validators=validators, doc="docstring")
assert s.value == v_int
assert s.__doc__ == "docstring"
assert s.validators is validators
assert s.type_hint is int
def S(name: str, type_hint=str) -> Setting:
s = Setting(type_hint=type_hint)
s.__set_name__(s, name)
return s
class TestSettings(Settings):
MAX_SPEED = Setting(23) @ plus(2) @ div(5)
class TestSettings(Settings):
MAX_SPEED = Setting(10) @ div
MIN_SPEED = Setting(9) @ div(3)
class TestSettings(Settings):
MAX_SPEED = Setting(10) @ bhv_mock
def S(name: str, type_hint=str) -> Setting:
"""A helper function which creates a setting and assigns it a name."""
s = Setting(type_hint=type_hint)
s.__set_name__(s, name)
return s
class AppSettings(Settings):
AGE: int = Setting(10)
def attach_to(self, setting: Setting):
setting.attach_behavior(self)
def __rmatmul__(self, setting: Any):
if not isinstance(setting, Setting):
setting = Setting(setting)
self.attach_to(setting)
return setting
class TestSettings(Settings):
mandatory_validators = (is_positive,)
MIN_SPEED: int = Setting(0, validators=(is_less_that_10,))
MAX_SPEED: int = Setting(11, validators=(is_less_that_10,))
class TestSettigs(Settings):
MAX_SPEED = Setting(10, validators=(validator,))
class TestSettings(Settings):
MAX_SPEED = Setting(10, validators=(validator_with_exception, ))