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#

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#

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#    this list of conditions and the following disclaimer.

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#    this list of conditions and the following disclaimer in the documentation

#    and/or other materials provided with the distribution.

#

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#    endorse or promote products derived from this software without specific

#    prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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import sys

"""Compatibility module across Python 2 and 3."""

PYTHON2 = sys.version_info < (3, 0)

PYTHON3 = sys.version_info >= (3, 0)

# This is adapted from https://bitbucket.org/gutworth/six, and used under the

# MIT license. See LICENSE for a full copyright notice.

if PYTHON3:

    def reraise(tp, value, tb=None):

        try:

            if value is None:

                value = tp()

            if value.__traceback__ is not tb:

                raise value.with_traceback(tb)

            raise value

        finally:

            value = None

            tb = None

else:

    exec(

        """

def reraise(tp, value, tb=None):

    try:

        raise tp, value, tb

    finally:

        tb = None

""".strip()

    )

if PYTHON3:

    UNICODE = str

else:

    UNICODE = unicode  # noqa: F821 We handled versioning above