code: def _LoadArtifactsFromFiles(self, file_paths, overwrite_if_exists=True):
      
      loaded_files = []
      loaded_artifacts = []
      for file_path in file_paths:
        try:
          with io.open(file_path, mode="r", encoding="utf-8") as fh:
            logging.debug("Loading artifacts from %s", file_path)
            for artifact_val in self.ArtifactsFromYaml(fh.read()):
              self.RegisterArtifact(
                  artifact_val,
                  source="file:%s" % file_path,
                  overwrite_if_exists=overwrite_if_exists)
              loaded_artifacts.append(artifact_val)
              logging.debug("Loaded artifact %s from %s", artifact_val.name,
                            file_path)
  
          loaded_files.append(file_path)
        except (IOError, OSError) as e:
          logging.error("Failed to open artifact file %s. %s", file_path, e)
        except rdf_artifacts.ArtifactDefinitionError as e:
          logging.error("Invalid artifact found in file %s with error: %s",
                        file_path, e)
          raise
  
      # Once all artifacts are loaded we can validate.
      for artifact_value in loaded_artifacts:
        Validate(artifact_value)
docs: Load artifacts from file paths as json or yaml.