setup.py

import os
import platform
from setuptools import setup

extras_require = {
    'qt': ['PyQt5', 'pyqtwebengine'],
    'cef': ['cefpython3'],
    'gtk': ['PyGObject'],
}

install_requires = [
    'pythonnet ; sys_platform == "win32"',
    'pyobjc ; sys_platform == "darwin"',
    'PyQt5 ; sys_platform == "openbsd6"',
]


with open('README.md') as fh:
    long_description = fh.read()

setup(
    name='pywebview',
    author='Roman Sirokov',
    author_email='roman@flowrl.com',
    description=('Build GUI for your Python program with JavaScript, HTML, and CSS.'),
    long_description=long_description,
    long_description_content_type='text/markdown',
    url='https://github.com/r0x0r/pywebview',
    download_url='https://github.com/r0x0r/pywebview/archive/3.2.tar.gz',
    keywords=['gui', 'webkit', 'html', 'web'],
    install_requires=install_requires,
    extras_require=extras_require,
    version='3.2',
    include_package_data=True,
    packages=['webview', 'webview.js', 'webview.platforms'],
    package_dir={'webview': 'webview'},
    package_data={
        'webview': [
            'webview/lib/WebBrowserInterop.x64.dll',
            'webview/lib/WebBrowserInterop.x86.dll',
            'webview/lib/Microsoft.Toolkit.Forms.UI.Controls.WebView.dll'
            'webview/lib/Microsoft.Toolkit.Forms.UI.Controls.WebView.LICENSE.md'
            ]
        },
    license='New BSD license',
    classifiers=[
        'Intended Audience :: Developers',
        'License :: OSI Approved :: BSD License',
        'Operating System :: OS Independent',
        'Environment :: MacOS X',
        'Environment :: Win32 (MS Windows)',
        'Environment :: X11 Applications :: GTK',
        'Environment :: X11 Applications :: Qt',
        'Programming Language :: Python',
        'Programming Language :: Python :: 2',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.4',
        'Programming Language :: Python :: 3.5',
        'Programming Language :: Python :: 3.6',
        'Topic :: Software Development :: Libraries :: Application Frameworks',
        'Topic :: Software Development :: Libraries :: Python Modules',
        'Topic :: Software Development :: User Interfaces'
    ],
)