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from __future__ import annotations
import typing
from types import TracebackType
def to_bytes(
x: str | bytes, encoding: str | None = None, errors: str | None = None
) -> bytes:
if isinstance(x, bytes):
return x
elif not isinstance(x, str):
raise TypeError(f"not expecting type {type(x).__name__}")
if encoding or errors:
return x.encode(encoding or "utf-8", errors=errors or "strict")
return x.encode()
def to_str(
x: str | bytes, encoding: str | None = None, errors: str | None = None
) -> str:
if isinstance(x, str):
return x
elif not isinstance(x, bytes):
raise TypeError(f"not expecting type {type(x).__name__}")
if encoding or errors:
return x.decode(encoding or "utf-8", errors=errors or "strict")
return x.decode()
def reraise(
tp: type[BaseException] | None,
value: BaseException,
tb: TracebackType | None = None,
) -> typing.NoReturn:
try:
if value.__traceback__ is not tb:
raise value.with_traceback(tb)
raise value
finally:
value = None # type: ignore[assignment]
tb = None
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