class_docstr: A file handler for CLAVRx files.
class_docstr_tok: ["A","file","handler","for","CLAVRx","files","."]
code: def _is_polar(self):
      l1b_att, inst_att = (
          str(self.file_content.get("/attr/L1B", None)),
          str(self.file_content.get("/attr/sensor", None)),
      )
  
      return (inst_att != "AHI" and "GOES" not in inst_att) or (
          l1b_att is None
      )
  
imports: import logging
  import os
  from glob import glob
  from typing import Optional, Union
  import netCDF4
  import numpy
  import xarray
  from pyresample import geometry
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.readers.hdf4_utils import SDS, HDF4FileHandler
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 8 for calling the CLAVRXHDF4FileHandler obj's underlying member method code with example usage: obj._is_polar() and returns: unknown