Source code for niworkflows.utils.debug

# emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
# vi: set ft=python sts=4 ts=4 sw=4 et:
#
# Copyright 2021 The NiPreps Developers <nipreps@gmail.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# We support and encourage derived works from this project, please read
# about our expectations at
#
#     https://www.nipreps.org/community/licensing/
#
# STATEMENT OF CHANGES: This file is derived from sources licensed under the Apache-2.0 terms,
# and uses the following portion of the original code:
# https://github.com/dandi/dandi-cli/blob/da3b7a726c4a352dfb53a0c6bee59e660de827e6/dandi/utils.py#L49-L82
#
#
# ORIGINAL WORK'S ATTRIBUTION NOTICE:
#
#    Copyright 2020 DANDI Client Developers
#
#    Licensed under the Apache License, Version 2.0 (the "License");
#    you may not use this file except in compliance with the License.
#    You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS,
#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#    See the License for the specific language governing permissions and
#    limitations under the License.
#
import sys




def is_interactive():
    """Return True if all in/outs are tty"""
    # TODO: check on windows if hasattr check would work correctly and add value:
    #
    return sys.stdin.isatty() and sys.stdout.isatty() and sys.stderr.isatty()





def setup_exceptionhook(ipython=False):
    """Overloads default sys.excepthook with our exceptionhook handler.
    If interactive, our exceptionhook handler will invoke
    pdb.post_mortem; if not interactive, then invokes default handler.
    """

    def _pdb_excepthook(tp, value, tb):
        import traceback

        traceback.print_exception(tp, value, tb)
        print()
        if is_interactive():
            import pdb  # noqa: T100

            pdb.post_mortem(tb)

    if ipython:
        from IPython.core import ultratb

        sys.excepthook = ultratb.FormattedTB(
            mode='Verbose',
            # color_scheme='Linux',
            call_pdb=is_interactive(),
        )
    else:
        sys.excepthook = _pdb_excepthook