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32 lines
813 B
32 lines
813 B
5 months ago
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from __future__ import annotations
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import os
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from typing import Any, NoReturn
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from ._typing import StrOrBytesPath, TypeGuard
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def is_path(f: Any) -> TypeGuard[StrOrBytesPath]:
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return isinstance(f, (bytes, str, os.PathLike))
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def is_directory(f: Any) -> TypeGuard[StrOrBytesPath]:
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"""Checks if an object is a string, and that it points to a directory."""
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return is_path(f) and os.path.isdir(f)
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class DeferredError:
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def __init__(self, ex: BaseException):
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self.ex = ex
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def __getattr__(self, elt: str) -> NoReturn:
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raise self.ex
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@staticmethod
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def new(ex: BaseException) -> Any:
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"""
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Creates an object that raises the wrapped exception ``ex`` when used,
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and casts it to :py:obj:`~typing.Any` type.
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"""
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return DeferredError(ex)
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