How to use usable_ro_dir method in avocado

Best Python code snippet using avocado_python

data_dir.py

Source:data_dir.py

...81    3) System wide test dir is used82    4) User default test dir (~/avocado/tests) is used83    """84    configured = _get_settings_dir('test_dir')85    if utils_path.usable_ro_dir(configured):86        return configured87    if settings.settings.intree:88        return _IN_TREE_TESTS_DIR89    if utils_path.usable_ro_dir(SYSTEM_TEST_DIR):90        return SYSTEM_TEST_DIR91    if utils_path.usable_ro_dir(USER_TEST_DIR):92        return USER_TEST_DIR93def get_data_dir():94    """95    Get the most appropriate data dir location.96    The data dir is the location where any data necessary to job and test97    operations are located.98    Examples:99        * ISO files100        * GPG files101        * VM images102        * Reference bitmaps103    """104    return _get_rw_dir(_get_settings_dir('data_dir'),105                       SYSTEM_DATA_DIR, USER_DATA_DIR)...

path.py

Source:path.py

...131            return True132        except OSError:133            pass134    return False135def usable_ro_dir(directory):136    """137    Verify whether dir exists and we can access its contents.138    If a usable RO is there, use it no questions asked. If not, let's at139    least try to create one.140    :param directory: Directory141    """142    cwd = os.getcwd()143    if os.path.isdir(directory):144        try:145            os.chdir(directory)146            os.chdir(cwd)147            return True148        except OSError:149            pass...

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