class_docstr: File handler for GHRSST L2 netCDF files.
class_docstr_tok: ["File","handler","for","GHRSST","L2","netCDF","files","."]
code: def _open_tarfile(self):
      self._tarfile = tarfile.open(name=self.filename, mode="r")
      sst_filename = next(
          (
              name
              for name in self._tarfile.getnames()
              if self._is_sst_file(name)
          )
      )
      file_obj = self._tarfile.extractfile(sst_filename)
      return file_obj
  
file_path: satpy/satpy/readers/ghrsst_l2.py
imports: import os
  import tarfile
  from contextlib import suppress
  from datetime import datetime
  from functools import cached_property
  import xarray
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 3 for calling the GHRSSTL2FileHandler obj's underlying member method code with example usage: obj._open_tarfile() and returns: file_obj