def has_changes(self):
    with self._has_changes_lock:
      has_changes = self._has_changes
      self._has_changes = False
    return has_changes
Returns True if the watched directory has changed since the last call.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/devappserver2/mtime_file_watcher.py/MtimeFileWatcher.has_changes