test_html.py 文件源码

def _skip_if_none_of(module_names):
    if isinstance(module_names, string_types):
        _skip_if_no(module_names)
        if module_names == 'bs4':
            import bs4
            if bs4.__version__ == LooseVersion('4.2.0'):
                raise nose.SkipTest("Bad version of bs4: 4.2.0")
    else:
        not_found = [module_name for module_name in module_names if not
                     _have_module(module_name)]
        if set(not_found) & set(module_names):
            raise nose.SkipTest("{0!r} not found".format(not_found))
        if 'bs4' in module_names:
            import bs4
            if bs4.__version__ == LooseVersion('4.2.0'):
                raise nose.SkipTest("Bad version of bs4: 4.2.0")