Source code for returns.unsafe

from typing import TypeVar

from import IO

_ValueType = TypeVar('_ValueType')

[docs]def unsafe_perform_io(wrapped_in_io: IO[_ValueType]) -> _ValueType: """ Compatibility utility and escape mechanism from ``IO`` world. Just unwraps the internal value from :class:`` container. Should be used with caution! Since it might be overused by lazy and ignorant developers. It is recommended to have only one place (module / file) in your program where you allow unsafe operations. We recommend to use ``import-linter`` to enforce this rule. .. code:: python >>> from import IO >>> assert unsafe_perform_io(IO(1)) == 1 See also: """ return wrapped_in_io._inner_value # noqa: WPS437