def __init__(self, directory):
    self._directory = os.path.abspath(directory)
    self._directory_handle = None
    self._change_set = set()
    self._lock = threading.Lock()  # protects self._change_set
    self._stop = threading.Event()
    self._change_event = threading.Event()
    self._thread = None
A convenience method which fetches the specified value, guaranteeing
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/devappserver2/win32_file_watcher.py/Win32FileWatcher.__init__--crossover with--dataset/ETHPy150Open boakley/robotframework-workbench/rwb/lib/configobj.py/Section.as_list