text: import os
  import platform
  from setuptools import setup
  
  extras_require = {
      'qt': ['PyQt5', 'pyqtwebengine'],
      'cef': ['cefpython3'],
      'gtk': ['PyGObject'],
  }
  
  install_requires = [
      'pythonnet ; sys_platform == "win32"',
      'pyobjc-core ; sys_platform == "darwin"',
      'pyobjc-framework-Cocoa ; sys_platform == "darwin"',
      'pyobjc-framework-WebKit ; sys_platform == "darwin"',
      'PyQt5 ; sys_platform == "openbsd6"',
      'importlib_resources; python_version < "3.7"',
      'proxy_tools',
  ]
  
  
  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/3.5.tar.gz',
      keywords=['gui', 'webkit', 'html', 'web'],
      install_requires=install_requires,
      extras_require=extras_require,
      version='3.5',
      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',
              'webview/lib/x64/WebView2Loader.dll',
              'webview/lib/x86/WebView2Loader.dll',
              'webview/lib/Microsoft.Web.WebView2.Core.dll',
              'webview/lib/Microsoft.Web.WebView2.LICENSE.md',
              'webview/lib/Microsoft.Web.WebView2.WinForms.dll',
          ]
      },
      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 :: 3',
          'Programming Language :: Python :: 3.4',
          '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',
          'Topic :: Software Development :: Libraries :: Application Frameworks',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Topic :: Software Development :: User Interfaces'
      ],
  )
  