# Copyright CNRS/Inria/UCA
# Contributor(s): Eric Debreuve (since 2022)
#
# eric.debreuve@cnrs.fr
#
# This software is governed by the CeCILL  license under French law and
# abiding by the rules of distribution of free software.  You can  use,
# modify and/ or redistribute the software under the terms of the CeCILL
# license as circulated by CEA, CNRS and INRIA at the following URL
# "http://www.cecill.info".
#
# As a counterpart to the access to the source code and  rights to copy,
# modify and redistribute granted by the license, users are provided only
# with a limited warranty  and the software's author,  the holder of the
# economic rights,  and the successive licensors  have only  limited
# liability.
#
# In this respect, the user's attention is drawn to the risks associated
# with loading,  using,  modifying and/or developing or reproducing the
# software by the user in light of its specific status of free software,
# that may mean  that it is complicated to manipulate,  and  that  also
# therefore means  that it is reserved for developers  and  experienced
# professionals having in-depth computer knowledge. Users are therefore
# encouraged to load and test the software's suitability as regards their
# requirements in conditions enabling the security of their systems and/or
# data to be ensured and,  more generally, to use and operate it in the
# same conditions as regards security.
#
# The fact that you are presently reading this means that you have had
# knowledge of the CeCILL license and that you accept its terms.

import importlib as imlb
import sys as sstm
from typing import Any


def ElementInModule(element: str, module: str, /) -> tuple[Any | None, str | None]:
    """"""
    out_error = None

    imported = sstm.modules.get(module, None)
    if imported is None:
        # Do not put instead of "None" in "get" above since it will then be evaluated
        # all the time, I suppose.
        try:
            imported = imlb.import_module(module)
        except ModuleNotFoundError:
            out_error = f'{module}: Module not found when looking for "{element}".'

    if imported is None:
        out_element = None
    else:
        try:
            out_element = getattr(imported, element)
        except AttributeError:
            out_element = None
            out_error = f'{element}: Element not found in module "{module}".'

    return out_element, out_error
