setup.py

#!/usr/bin/env python3
#
# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license
#
# Copyright (C) 2003-2007, 2009-2011 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose with or without fee is hereby granted,
# provided that the above copyright notice and this permission notice
# appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

import sys

from setuptools import setup

try:
    sys.argv.remove("--cython-compile")
except ValueError:
    compile_cython = False
else:
    compile_cython = True
    from Cython.Build import cythonize

    ext_modules = cythonize(
        [
            "dns/*.py",
            "dns/dnssecalgs/*.py",
            "dns/quic/*.py",
            "dns/rdtypes/*.py",
            "dns/rdtypes/*/*.py",
        ],
        language_level="3",
    )

kwargs = {
    "ext_modules": ext_modules if compile_cython else None,
    "zip_safe": False if compile_cython else None,
}

setup(**kwargs)