class_docstr: VIIRS L1B File Reader.
class_docstr_tok: ["VIIRS","L1B","File","Reader","."]
code: def _dataset_name_to_var_path(
      dataset_name: str, ds_info: dict
  ) -> str:
      return ds_info.get(
          "file_key", "observation_data/{}".format(dataset_name)
      )
  
imports: import logging
  from datetime import datetime
  import numpy
  from satpy.readers.netcdf_utils import NetCDF4FileHandler
label_desc: Use image node_id 16 for calling the VIIRSL1BFileHandler obj's underlying member method code with example usage: obj._dataset_name_to_var_path(dataset_name, ds_info) and returns: ds_info