code: def _ensure_meta(
      self,
      obj_type,
      run_id,
      step_name,
      task_id,
      tags=None,
      sys_tags=None,
  ):
      if tags is None:
          tags = set()
      if sys_tags is None:
          sys_tags = set()
      subpath = self._create_and_get_metadir(
          self._flow_name, run_id, step_name, task_id
      )
      selfname = os.path.join(subpath, "_self.json")
      self._makedirs(subpath)
      if os.path.isfile(selfname):
          # There is a race here, but we are not aiming to make this as solid as
          # the metadata service. This is used primarily for concurrent resumes,
          # so it is highly unlikely that this combination (multiple resumes of
          # the same flow on the same machine) happens.
          return False
      # In this case the metadata information does not exist, so we create it
      self._save_meta(
          subpath,
          {
              "_self": self._object_to_json(
                  obj_type,
                  run_id,
                  step_name,
                  task_id,
                  self.sticky_tags.union(tags),
                  self.sticky_sys_tags.union(sys_tags),
              )
          },
      )
      return True
  
imports: import collections
  import glob
  import json
  import os
  import random
  import tempfile
  import time
  from collections import namedtuple
  from metaflow.exception import MetaflowInternalError, MetaflowTaggingError
  from metaflow.metadata.metadata import ObjectOrder
  from metaflow.metaflow_config import DATASTORE_LOCAL_DIR
  from metaflow.metadata import MetadataProvider
  from metaflow.tagging_util import MAX_USER_TAG_SET_SIZE, validate_tags
label_desc: Use image node_id 16 for calling the LocalMetadataProvider obj's underlying member method code with example usage: obj._ensure_meta(obj_type, run_id, step_name, task_id, tags, sys_tags) and returns: True, False