old_contents: import os
  import sys
  
  import setuptools
  from setuptools.command.install import install
  from setuptools.command.develop import develop
  from setuptools.command.egg_info import egg_info
  
  from rpm_py_installer.version import VERSION
  
  
  def install_rpm_py():
      if sys.platform in ['darwin', 'linux']:
          python_path = sys.executable
          cmd = 'PYTHON="{0}" ./install'.format(python_path)
          exit_status = os.system(cmd)
          if exit_status != 0:
              raise Exception('Command failed: {0}'.format(cmd))
  
  
  class InstallCommand(install):
      """A class for "pip install".
  
      Handled by "pip install rpm-py-installer",
      when the package should be published as a source distribution (sdist).
  
      If pip's cache for rpm-py-installer is available, it is not handled.
      In the case, install as follows.
  
      $ rm -rf ~/.cache/pip
      $ pip install rpm-py-installer
  
      or
  
      $ pip install --no-cache-dir rpm-py-installer
  
      See https://pip.pypa.io/en/stable/reference/pip_install/#caching .
      """
      def run(self):
          install.run(self)
          install_rpm_py()
  
  
  class DevelopCommand(develop):
      """A class for setuptools development mode.
  
      Handled by "pip install -e".
      """
      def run(self):
          develop.run(self)
          install_rpm_py()
  
  
  class EggInfoCommand(egg_info):
      """A class for egg-info.
  
      Handled by "pip install .".
      """
      def run(self):
          egg_info.run(self)
          install_rpm_py()
  
  
  setuptools.setup(
      name='rpm_py_installer',
      version=VERSION,
      license='MIT',
      use_scm_version=True,
      description='RPM Pythoon Installer',
      long_description='A installer for RPM Python binding module.',
      author='Jun Aruga',
      author_email='jaruga@redhat.com',
      url='https://github.com/junaruga/rpm-py-installer',
      packages=[
          'rpm_py_installer',
      ],
      install_requires=[],
      setup_requires=[
          'pytest-runner',
      ],
      classifiers=[
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Topic :: System :: Installation/Setup',
      ],
      scripts=[
          'install',
      ],
      cmdclass={
        'install': InstallCommand,
        'develop': DevelopCommand,
        'egg_info': EggInfoCommand,
      },
  )
  
new_contents: import os
  import sys
  
  import setuptools
  from setuptools.command.install import install
  from setuptools.command.develop import develop
  from setuptools.command.egg_info import egg_info
  
  from rpm_py_installer.version import VERSION
  
  
  def install_rpm_py():
      if sys.platform in ['darwin', 'linux']:
          python_path = sys.executable
          cmd = 'PYTHON="{0}" ./install'.format(python_path)
          exit_status = os.system(cmd)
          if exit_status != 0:
              raise Exception('Command failed: {0}'.format(cmd))
  
  
  class InstallCommand(install):
      """A class for "pip install".
  
      Handled by "pip install rpm-py-installer",
      when the package should be published as a source distribution (sdist).
  
      If pip's cache for rpm-py-installer is available, it is not handled.
      In the case, install as follows.
  
      $ rm -rf ~/.cache/pip
      $ pip install rpm-py-installer
  
      or
  
      $ pip install --no-cache-dir rpm-py-installer
  
      See https://pip.pypa.io/en/stable/reference/pip_install/#caching .
      """
      def run(self):
          install.run(self)
          install_rpm_py()
  
  
  class DevelopCommand(develop):
      """A class for setuptools development mode.
  
      Handled by "pip install -e".
      """
      def run(self):
          develop.run(self)
          install_rpm_py()
  
  
  class EggInfoCommand(egg_info):
      """A class for egg-info.
  
      Handled by "pip install .".
      """
      def run(self):
          egg_info.run(self)
          install_rpm_py()
  
  
  setuptools.setup(
      name='rpm_py_installer',
      version=VERSION,
      license='MIT',
      description='RPM Pythoon Installer',
      long_description='A installer for RPM Python binding module.',
      author='Jun Aruga',
      author_email='jaruga@redhat.com',
      url='https://github.com/junaruga/rpm-py-installer',
      packages=[
          'rpm_py_installer',
      ],
      install_requires=[],
      classifiers=[
          'License :: OSI Approved :: MIT License',
          'Programming Language :: Python',
          'Programming Language :: Python :: 2',
          'Programming Language :: Python :: 2.7',
          'Programming Language :: Python :: 3',
          'Programming Language :: Python :: 3.5',
          'Programming Language :: Python :: 3.6',
          'Topic :: System :: Installation/Setup',
      ],
      scripts=[
          'install',
      ],
      cmdclass={
        'install': InstallCommand,
        'develop': DevelopCommand,
        'egg_info': EggInfoCommand,
      },
  )
  
subject: Remove unneeded setup attributes. (#19)