setup.py

#!/usr/bin/env python
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from setuptools import setup, find_packages
import re, io

# setup.py shall not import main package
__version__ = re.search(
    r'__version__\s*=\s*[\'"]([^\'"]*)[\'"]',  # It excludes inline comment too
    io.open('msal/application.py', encoding='utf_8_sig').read()
    ).group(1)

long_description = open('README.md').read()

setup(
    name='msal',
    version=__version__,
    description=' '.join(
        """The Microsoft Authentication Library (MSAL) for Python library
        enables your app to access the Microsoft Cloud
        by supporting authentication of users with
        Microsoft Azure Active Directory accounts (AAD) and Microsoft Accounts (MSA)
        using industry standard OAuth2 and OpenID Connect.""".split()),
    long_description=long_description,
    long_description_content_type="text/markdown",
    license='MIT',
    author='Microsoft Corporation',
    author_email='nugetaad@microsoft.com',
    url='https://github.com/AzureAD/microsoft-authentication-library-for-python',
    classifiers=[
        'Development Status :: 5 - Production/Stable',
        'Programming Language :: Python',
        'Programming Language :: Python :: 2',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.5',
        'Programming Language :: Python :: 3.6',
        'Programming Language :: Python :: 3.7',
        'Programming Language :: Python :: 3.8',
        'Programming Language :: Python :: 3.9',
        'Programming Language :: Python :: 3.10',
        'Programming Language :: Python :: 3.11',
        'License :: OSI Approved :: MIT License',
        'Operating System :: OS Independent',
    ],
    packages=find_packages(exclude=["tests"]),
    package_data={'': ['LICENSE']},  # Do not use data_files=[...],
        # which would cause the LICENSE being copied to /usr/local,
        # and tend to fail because of insufficient permission.
        # See https://stackoverflow.com/a/14211600/728675 for more detail
    install_requires=[
        'requests>=2.0.0,<3',
        'PyJWT[crypto]>=1.0.0,<3',  # MSAL does not use jwt.decode(), therefore is insusceptible to CVE-2022-29217 so no need to bump to PyJWT 2.4+

        'cryptography>=0.6,<41',
            # load_pem_private_key() is available since 0.6
            # https://github.com/pyca/cryptography/blob/master/CHANGELOG.rst#06---2014-09-29
            #
            # And we will use the cryptography (X+3).0.0 as the upper bound,
            # based on their latest deprecation policy
            # https://cryptography.io/en/latest/api-stability/#deprecation

        "mock;python_version<'3.3'",
        ],
    extras_require={  # It does not seem to work if being defined inside setup.cfg
        "broker": [
            # The broker is defined as optional dependency,
            # so that downstream apps can opt in. The opt-in is needed, partially because
            # most existing MSAL Python apps do not have the redirect_uri needed by broker.
            # MSAL Python uses a subset of API from PyMsalRuntime 0.11.2+,
            # but we still bump the lower bound to 0.13.2+ for its important bugfix (https://github.com/AzureAD/microsoft-authentication-library-for-cpp/pull/3244)
            "pymsalruntime>=0.13.2,<0.14;python_version>='3.6' and platform_system=='Windows'",
            ],
        },
)