class_docstr: Custom file reader for finding VIIRS SDR geolocation at runtime.
code: def _is_viirs_dataset(self, datasets):
      for dataset in VIIRS_DATASET_KEYS:
          if dataset in datasets:
              return True
      return False
  
imports: import logging
  import os.path
  from contextlib import suppress
  from datetime import datetime, timedelta
  from glob import glob
  import numpy
  from satpy.readers.viirs_atms_sdr_base import ATMS_DATASET_KEYS, DATASET_KEYS, VIIRS_DATASET_KEYS, JPSS_SDR_FileHandler
  from satpy.readers.yaml_reader import FileYAMLReader
label_desc: Use image node_id 2 for calling the VIIRSSDRReader obj's underlying member method code with example usage: obj._is_viirs_dataset(datasets) and returns: False, True