def lssitepackages_cmd(argv):
    """Show the content of the site-packages directory of the current virtualenv."""
    site = sitepackages_dir()
    print(*sorted(site.iterdir()), sep=os.linesep)
    extra_paths = site / '_virtualenv_path_extensions.pth'
    if extra_paths.exists():
        print('from _virtualenv_path_extensions.pth:')
        with extra_paths.open() as extra:
            print(''.join(extra.readlines()))
Show the content of the site-packages directory of the current virtualenv.