code: def _install(archive_filename, install_args=()):
      
      with archive_context(archive_filename):
          # installing
          log.warn('Installing Setuptools')
          if not _python_cmd('setup.py', 'install', *install_args):
              log.warn('Something went wrong during the installation.')
              log.warn('See the error message above.')
              # exitcode will be 2
              return 2
docs: Install Setuptools.