old_contents: from setuptools import setup, find_packages
  
  import foliant
  
  
  def readme():
      try:
          with open("README.rst", encoding="utf8") as f:
              return f.read()
      except IOError:
          pass
  
  setup(
      name="foliant",
      version=foliant.__version__,
      url="https://github.com/foliant-docs/foliant",
      download_url="https://pypi.org/project/foliant",
      license="MIT",
      author="Konstantin Molchanov",
      author_email="moigagoo@live.com",
      description="Markdown-based, Pandoc-powered documentation generator.",
      long_description=readme(),
      classifiers=[
          "Development Status :: 5 - Production/Stable",
          "Environment :: Console",
          "Intended Audience :: Developers",
          "License :: OSI Approved :: MIT License",
          "Operating System :: OS Independent",
          "Programming Language :: Python",
          "Topic :: Documentation",
          "Topic :: Utilities",
      ],
      packages=find_packages(),
      platforms="any",
      install_requires=[
          "PyDrive>=1.2.1",
          "PyYAML",
          "docopt",
          "seqdiag"
      ],
      extras_require={
          "s2m": ["swagger2markdown"],
          "a2m": ["apidoc2markdown"]
      },
      entry_points={
          "console_scripts": [
              "foliant=foliant.cli:main"
          ]
      }
  )
  
new_contents: from setuptools import setup, find_packages
  
  import foliant
  
  
  def readme():
      try:
          with open("README.rst", encoding="utf8") as f:
              return f.read()
      except IOError:
          pass
  
  setup(
      name="foliant",
      version=foliant.__version__,
      url="https://github.com/foliant-docs/foliant",
      download_url="https://pypi.org/project/foliant",
      license="MIT",
      author="Konstantin Molchanov",
      author_email="moigagoo@live.com",
      description="Markdown-based, Pandoc-powered documentation generator.",
      long_description=readme(),
      classifiers=[
          "Development Status :: 5 - Production/Stable",
          "Environment :: Console",
          "Intended Audience :: Developers",
          "License :: OSI Approved :: MIT License",
          "Operating System :: OS Independent",
          "Programming Language :: Python",
          "Topic :: Documentation",
          "Topic :: Utilities",
      ],
      packages=find_packages(),
      platforms="any",
      install_requires=[
          "PyDrive>=1.2.1",
          "PyYAML",
          "docopt",
          "seqdiag"
      ],
      extras_require={
          "s2m": ["swagger2markdown"],
          "a2m": ["apidoc2markdown"],
          "all": ["swagger2markdown", "apidoc2markdown"]
      },
      entry_points={
          "console_scripts": [
              "foliant=foliant.cli:main"
          ]
      }
  )
  
subject: Add "all" extra req.