summaryrefslogtreecommitdiffstats
path: root/third_party/python/attrs/attr/setters.pyi
blob: 72f7ce4761c343860d8b230dd50dcdeba10b03fb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
from typing import Any, NewType, NoReturn, TypeVar

from . import Attribute, _OnSetAttrType

_T = TypeVar("_T")

def frozen(
    instance: Any, attribute: Attribute[Any], new_value: Any
) -> NoReturn: ...
def pipe(*setters: _OnSetAttrType) -> _OnSetAttrType: ...
def validate(instance: Any, attribute: Attribute[_T], new_value: _T) -> _T: ...

# convert is allowed to return Any, because they can be chained using pipe.
def convert(
    instance: Any, attribute: Attribute[Any], new_value: Any
) -> Any: ...

_NoOpType = NewType("_NoOpType", object)
NO_OP: _NoOpType