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_compat.py
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45 lines (27 loc) · 1.2 KB
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from __future__ import annotations
import sys
import typing_extensions
from typing import Any, Type, Union, Literal, Optional
from datetime import date, datetime
from typing_extensions import get_args as _get_args, get_origin as _get_origin
from .._types import StrBytesIntFloat
from ._datetime_parse import parse_date as _parse_date, parse_datetime as _parse_datetime
_LITERAL_TYPES = {Literal, typing_extensions.Literal}
def get_args(tp: type[Any]) -> tuple[Any, ...]:
return _get_args(tp)
def get_origin(tp: type[Any]) -> type[Any] | None:
return _get_origin(tp)
def is_union(tp: Optional[Type[Any]]) -> bool:
if sys.version_info < (3, 10):
return tp is Union # type: ignore[comparison-overlap]
else:
import types
return tp is Union or tp is types.UnionType # type: ignore[comparison-overlap]
def is_typeddict(tp: Type[Any]) -> bool:
return typing_extensions.is_typeddict(tp)
def is_literal_type(tp: Type[Any]) -> bool:
return get_origin(tp) in _LITERAL_TYPES
def parse_date(value: Union[date, StrBytesIntFloat]) -> date:
return _parse_date(value)
def parse_datetime(value: Union[datetime, StrBytesIntFloat]) -> datetime:
return _parse_datetime(value)