code: def _get(self, key, shallow=False):
      file_name = os.path.join(self.db_root, key)
      if not os.path.exists(file_name):
          return None
      try:
          with open(file_name) as infile:
              result = json.load(infile)
      except BaseException as exc:
          self.logger.error(
              "FAILED to load file %s - %s", file_name, exc
          )
          result = None
      return result
  
file_path: studio/studio/db_providers/local_db_provider.py
imports: import os
  import json
  from studio.db_providers.keyvalue_provider import KeyValueProvider
  from studio.storage.storage_handler_factory import StorageHandlerFactory
  from studio.storage.storage_type import StorageType
  from studio.util import util
label_desc: Use image node_id 3 for calling the LocalDbProvider obj's underlying member method code with example usage: obj._get(key, shallow) and returns: result, None