Source code for dioptra.sdk.utilities.contexts._redirect_print

# This Software (Dioptra) is being made available as a public service by the
# National Institute of Standards and Technology (NIST), an Agency of the United
# States Department of Commerce. This software was developed in part by employees of
# NIST and in part by NIST contractors. Copyright in portions of this software that
# were developed by NIST contractors has been licensed or assigned to NIST. Pursuant
# to Title 17 United States Code Section 105, works of NIST employees are not
# subject to copyright protection in the United States. However, NIST may hold
# international copyright in software created by its employees and domestic
# copyright (or licensing rights) in portions of software that were assigned or
# licensed to NIST. To the extent that NIST holds copyright in this software, it is
# being made available under the Creative Commons Attribution 4.0 International
# license (CC BY 4.0). The disclaimers of the CC BY 4.0 license apply to all parts
# of the software developed or licensed by NIST.
#
# ACCESS THE FULL CC BY 4.0 LICENSE HERE:
# https://creativecommons.org/licenses/by/4.0/legalcode
from __future__ import annotations

import builtins
from contextlib import contextmanager
from typing import IO, Iterator, Optional

import structlog
from structlog.stdlib import BoundLogger

LOGGER: BoundLogger = structlog.stdlib.get_logger()


@contextmanager
def redirect_print(new_target: Optional[IO] = None) -> Iterator[None]:
    def new_print(*args, **kwargs) -> None:
        sep: str = kwargs.get("sep", " ")
        print_str: str = sep.join(args)

        if new_target is not None:
            new_target.write(print_str)

        return None

    original_print = builtins.print

    try:
        builtins.print = new_print
        yield

    finally:
        builtins.print = original_print