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Support Type Hinting #135

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Oct 24, 2021
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7 changes: 6 additions & 1 deletion natsort/natsort.py
Original file line number Diff line number Diff line change
Expand Up @@ -9,11 +9,16 @@
import platform
from functools import partial
from operator import itemgetter
from typing import Callable, Iterable, TypeVar

from _typeshed import SupportsLessThan

import natsort.compat.locale
from natsort import utils
from natsort.ns_enum import NS_DUMB, ns

_T = TypeVar("_T")


def decoder(encoding):
"""
Expand Down Expand Up @@ -212,7 +217,7 @@ def natsort_keygen(key=None, alg=ns.DEFAULT):
"""


def natsorted(seq, key=None, reverse=False, alg=ns.DEFAULT):
def natsorted(seq: Iterable[_T], key: Callable[[_T], SupportsLessThan]=None, reverse=False, alg=ns.DEFAULT):
"""
Sorts an iterable naturally.

Expand Down