class Wall(object):
height: int = field(validators={'should be a positive number': x > 0,
'should be a multiple of 100': x % 100 == 0},
doc="Height of the wall in mm.")
color: str = field(validators=is_in(colors),
default='white',
doc="Color of the wall.")
class Operate(object):
att = field() # Required
type_ = field(type_hint=str,
check_type=True,
validators=is_in(valid_types)) # Required
value = field(default_factory=copy_value([])) # Optional
mode = field(default=None) # Optional
action = field(default=None) # Optional
@init_fields
def __init__(self):
pass
def test_is_in():
""" Checks that is_in works """
is_in({'+', '-'})('+')
with pytest.raises(ValidationFailure):
is_in({'+', '-'})('*')
# also test non-set iterable types
is_in(('+', '-'))('+')
class Car(object):
""" My class with many fields """
color = field(type_hint=str,
check_type=True,
validators=is_in(ALLOWED_COLORS))
name = field(type_hint=str,
check_type=True,
validators={'should be non-empty': lambda s: len(s) > 0})
wheels = field(type_hint=int,
check_type=True,
validators={'should be positive': lambda x: x > 0})
@init_fields
def __init__(self, msg="hello world!"):
print(msg)
