old_contents: #!/usr/bin/env python
  
  import os
  import re
  import setuptools
  import shutil
  import sys
  
  if not sys.version_info >= (3, 5):
    exit("Sorry, Python's version must be later than 3.5.")
  
  
  
  # constants
  
  COMMAND_NAME = "shakyo"
  README_BASENAME = "README"
  RST_EXT = "rst"
  MD_EXT = "md"
  
  
  
  # functions
  
  def warn(*text):
    print("WARNING:", *text, file=sys.stderr)
  
  
  def version():
    with open("shakyo/__main__.py") as f:
      lines = f.readlines()
    return next(re.match(r"__version__\s*=\s*\"((\d|\.)*)\"", line)
                for line in lines if line.startswith("__version__")).group(1)
  
  
  def read_text_file(filename):
    with open(os.path.join(os.path.dirname(__file__), filename)) as f:
      return f.read()
  
  
  def readme_text():
    readme_rst = README_BASENAME + "." + RST_EXT
    readme_md = README_BASENAME + "." + MD_EXT
  
    try:
      import pypandoc
      with open(readme_rst, "w") as f:
        f.write(pypandoc.convert(readme_md, RST_EXT))
      return read_text_file(readme_rst)
    except ImportError as e:
      if os.path.isfile(readme_rst):
        os.remove(readme_rst)
      warn(e)
      shutil.copyfile(readme_md, README_BASENAME)
      return read_text_file(README_BASENAME)
  
  
  
  # main routine
  
  def main():
    setuptools.setup(
        name=COMMAND_NAME,
        version=version(),
        description="a tool to learn about something just by typing it",
        long_description=readme_text(),
        license="Public Domain",
        author="raviqqe",
        author_email="raviqqe@gmail.com",
        url="http://github.com/raviqqe/shakyo/",
        packages=["shakyo", "consolekit"],
        entry_points={
          "console_scripts" : [COMMAND_NAME + "=shakyo.__main__:main"]
        },
        install_requires=["pygments", "text_unidecode", "validators"],
        classifiers=[
            "Development Status :: 3 - Alpha",
            "Environment :: Console :: Curses",
            "Intended Audience :: Developers",
            "Intended Audience :: End Users/Desktop",
            "License :: Public Domain",
            "Operating System :: POSIX",
            "Programming Language :: Python :: 3.5",
            "Topic :: Education :: Computer Aided Instruction (CAI)",
            "Topic :: Games/Entertainment",
        ],
    )
  
  
  if __name__ == "__main__":
    main()
  
new_contents: #!/usr/bin/env python
  
  import os
  import re
  import setuptools
  import shutil
  import sys
  
  if not sys.version_info >= (3, 5):
    exit("Sorry, Python's version must be later than 3.5.")
  
  
  
  # constants
  
  COMMAND_NAME = "shakyo"
  README_BASENAME = "README"
  RST_EXT = "rst"
  MD_EXT = "md"
  
  
  
  # functions
  
  def warn(*text):
    print("WARNING:", *text, file=sys.stderr)
  
  
  def version():
    with open("shakyo/const.py") as f:
      lines = f.readlines()
    return next(re.match(r"_*VERSION\s*=\s*\"((\d|\.)*)\"", line)
                for line in lines if line.startswith("VERSION")).group(1)
  
  
  def read_text_file(filename):
    with open(os.path.join(os.path.dirname(__file__), filename)) as f:
      return f.read()
  
  
  def readme_text():
    readme_rst = README_BASENAME + "." + RST_EXT
    readme_md = README_BASENAME + "." + MD_EXT
  
    try:
      import pypandoc
      with open(readme_rst, "w") as f:
        f.write(pypandoc.convert(readme_md, RST_EXT))
      return read_text_file(readme_rst)
    except ImportError as e:
      if os.path.isfile(readme_rst):
        os.remove(readme_rst)
      warn(e)
      shutil.copyfile(readme_md, README_BASENAME)
      return read_text_file(README_BASENAME)
  
  
  
  # main routine
  
  def main():
    setuptools.setup(
        name=COMMAND_NAME,
        version=version(),
        description="a tool to learn about something just by typing it",
        long_description=readme_text(),
        license="Public Domain",
        author="raviqqe",
        author_email="raviqqe@gmail.com",
        url="http://github.com/raviqqe/shakyo/",
        packages=["shakyo", "consolekit"],
        entry_points={
          "console_scripts" : [COMMAND_NAME + "=shakyo.__main__:main"]
        },
        install_requires=["pygments", "text_unidecode", "validators"],
        classifiers=[
            "Development Status :: 3 - Alpha",
            "Environment :: Console :: Curses",
            "Intended Audience :: Developers",
            "Intended Audience :: End Users/Desktop",
            "License :: Public Domain",
            "Operating System :: POSIX",
            "Programming Language :: Python :: 3.5",
            "Topic :: Education :: Computer Aided Instruction (CAI)",
            "Topic :: Games/Entertainment",
        ],
    )
  
  
  if __name__ == "__main__":
    main()
  
subject: Update setup.py