code: def _get_installer_paths(self, base):
      
      return {
        'purelib': base,
        'headers': os.path.join(base, 'headers'),
        'scripts': os.path.join(base, 'bin'),
        'platlib': base,
        'data': base
      }
docs: Set up an overrides dict for WheelFile.install that installs the contents
      of a wheel into its own base in the pex dependencies cache.