old_contents: import sys
  import os
  from setuptools import setup
  from torrentool import VERSION
  
  
  PATH_BASE = os.path.dirname(__file__)
  PYTEST_RUNNER = ['pytest-runner'] if 'test' in sys.argv else []
  
  f = open(os.path.join(PATH_BASE, 'README.rst'))
  README = f.read()
  f.close()
  
  setup(
      name='torrentool',
      version='.'.join(map(str, VERSION)),
      url='https://github.com/idlesign/torrentool',
  
      description='The tool to work with torrent files.',
      long_description=README,
      license='BSD 3-Clause License',
  
      author='Igor `idle sign` Starikov',
      author_email='idlesign@yandex.ru',
  
      packages=['torrentool'],
      include_package_data=True,
      zip_safe=False,
  
      install_requires=[],
      setup_requires=[] + PYTEST_RUNNER,
      tests_require=[
          'pytest',
          'pytest-datafixtures',
          'pytest-responsemock',
      ],
  
      entry_points={
          'console_scripts': ['torrentool = torrentool.cli:main'],
      },
  
      test_suite='tests',
  
      classifiers=[
          # As in https://pypi.python.org/pypi?:action=list_classifiers
          'Development Status :: 5 - Production/Stable',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'License :: OSI Approved :: BSD License'
      ],
  )
  
new_contents: import sys
  import os
  from setuptools import setup
  from torrentool import VERSION
  
  
  PATH_BASE = os.path.dirname(__file__)
  PYTEST_RUNNER = ['pytest-runner'] if 'test' in sys.argv else []
  
  f = open(os.path.join(PATH_BASE, 'README.rst'))
  README = f.read()
  f.close()
  
  setup(
      name='torrentool',
      version='.'.join(map(str, VERSION)),
      url='https://github.com/idlesign/torrentool',
  
      description='The tool to work with torrent files.',
      long_description=README,
      license='BSD 3-Clause License',
  
      author='Igor `idle sign` Starikov',
      author_email='idlesign@yandex.ru',
  
      packages=['torrentool'],
      include_package_data=True,
      zip_safe=False,
  
      install_requires=[],
      extras_require={'cli': ['click']},
      setup_requires=[] + PYTEST_RUNNER,
      tests_require=[
          'pytest',
          'pytest-datafixtures',
          'pytest-responsemock',
      ],
  
      entry_points={
          'console_scripts': ['torrentool = torrentool.cli:main'],
      },
  
      test_suite='tests',
  
      classifiers=[
          # As in https://pypi.python.org/pypi?:action=list_classifiers
          'Development Status :: 5 - Production/Stable',
          'Operating System :: OS Independent',
          'Programming Language :: Python',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.6',
          'Programming Language :: Python :: 3.7',
          'Programming Language :: Python :: 3.8',
          'License :: OSI Approved :: BSD License'
      ],
  )
  
subject: Add click as CLI extra require