How to use the urlwatch.storage.UrlsYaml function in urlwatch

def prepare_retry_test():
    urls = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'test', 'data', 'invalid-url.yaml')
    config = os.path.join(os.path.dirname(__file__), 'data', 'urlwatch.yaml')
    cache = os.path.join(os.path.dirname(__file__), 'data', 'cache.db')
    hooks = ''

    config_storage = YamlConfigStorage(config)
    cache_storage = CacheMiniDBStorage(cache)
    urls_storage = UrlsYaml(urls)

    urlwatch_config = TestConfig(config, urls, cache, hooks, True)
    urlwatcher = Urlwatch(urlwatch_config, config_storage, cache_storage, urls_storage)

    return urlwatcher, cache_storage

def test_save_load_jobs():
    jobs = [
        UrlJob(name='news', url='http://news.orf.at/'),
        ShellJob(name='list homedir', command='ls ~'),
        ShellJob(name='list proc', command='ls /proc'),
    ]

    # tempfile.NamedTemporaryFile() doesn't work on Windows
    # because the returned file object cannot be opened again
    fd, name = tempfile.mkstemp()
    UrlsYaml(name).save(jobs)
    jobs2 = UrlsYaml(name).load()
    os.chmod(name, 0o777)
    jobs3 = UrlsYaml(name).load_secure()
    os.close(fd)
    os.remove(name)

    assert len(jobs2) == len(jobs)
    # Assert that the shell jobs have been removed due to secure loading
    if sys.platform != 'win32':
        assert len(jobs3) == 1

def test_save_load_jobs():
    jobs = [
        UrlJob(name='news', url='http://news.orf.at/'),
        ShellJob(name='list homedir', command='ls ~'),
        ShellJob(name='list proc', command='ls /proc'),
    ]

    # tempfile.NamedTemporaryFile() doesn't work on Windows
    # because the returned file object cannot be opened again
    fd, name = tempfile.mkstemp()
    UrlsYaml(name).save(jobs)
    jobs2 = UrlsYaml(name).load()
    os.chmod(name, 0o777)
    jobs3 = UrlsYaml(name).load_secure()
    os.close(fd)
    os.remove(name)

    assert len(jobs2) == len(jobs)
    # Assert that the shell jobs have been removed due to secure loading
    if sys.platform != 'win32':
        assert len(jobs3) == 1

def test_run_watcher():
    urls = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'share', 'urlwatch', 'examples', 'urls.yaml.example')
    config = os.path.join(os.path.dirname(__file__), 'data', 'urlwatch.yaml')
    cache = os.path.join(os.path.dirname(__file__), 'data', 'cache.db')
    hooks = ''

    config_storage = YamlConfigStorage(config)
    urls_storage = UrlsYaml(urls)
    cache_storage = CacheMiniDBStorage(cache)
    try:
        urlwatch_config = TestConfig(config, urls, cache, hooks, True)

        urlwatcher = Urlwatch(urlwatch_config, config_storage, cache_storage, urls_storage)
        urlwatcher.run_jobs()
    finally:
        cache_storage.close()

def test_save_load_jobs():
    jobs = [
        UrlJob(name='news', url='http://news.orf.at/'),
        ShellJob(name='list homedir', command='ls ~'),
        ShellJob(name='list proc', command='ls /proc'),
    ]

    # tempfile.NamedTemporaryFile() doesn't work on Windows
    # because the returned file object cannot be opened again
    fd, name = tempfile.mkstemp()
    UrlsYaml(name).save(jobs)
    jobs2 = UrlsYaml(name).load()
    os.chmod(name, 0o777)
    jobs3 = UrlsYaml(name).load_secure()
    os.close(fd)
    os.remove(name)

    assert len(jobs2) == len(jobs)
    # Assert that the shell jobs have been removed due to secure loading
    if sys.platform != 'win32':
        assert len(jobs3) == 1

def test_load_urls_yaml():
    urls_yaml = 'share/urlwatch/examples/urls.yaml.example'
    if os.path.exists(urls_yaml):
        assert len(UrlsYaml(urls_yaml).load_secure()) > 0