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Correct Fraction.__new__ typing for subclasses. (#5251)

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Co-authored-by: David Barker <davebarker@google.com>
This commit is contained in:
David Barker
2021-04-27 09:15:54 +01:00
committed by GitHub
parent f1cd416dcf
commit b9937184ed
1 changed files with 9 additions and 4 deletions
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13
stdlib/fractions.pyi
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@@ -1,10 +1,11 @@
import sys
from decimal import Decimal
from numbers import Integral, Rational, Real
from typing import Optional, Tuple, Union, overload
from typing import Optional, Tuple, Type, TypeVar, Union, overload
from typing_extensions import Literal
_ComparableNum = Union[int, float, Decimal, Real]
_T = TypeVar("_T")
if sys.version_info < (3, 9):
@overload
@@ -19,10 +20,14 @@ if sys.version_info < (3, 9):
class Fraction(Rational):
@overload
def __new__(
cls, numerator: Union[int, Rational] = ..., denominator: Optional[Union[int, Rational]] = ..., *, _normalize: bool = ...
) -> Fraction: ...
cls: Type[_T],
numerator: Union[int, Rational] = ...,
denominator: Optional[Union[int, Rational]] = ...,
*,
_normalize: bool = ...,
) -> _T: ...
@overload
def __new__(cls, __value: Union[float, Decimal, str], *, _normalize: bool = ...) -> Fraction: ...
def __new__(cls: Type[_T], __value: Union[float, Decimal, str], *, _normalize: bool = ...) -> _T: ...
@classmethod
def from_float(cls, f: float) -> Fraction: ...
@classmethod