class_docstr: File handler for HSAF grib files.
class_docstr_tok: ["File","handler","for","HSAF","grib","files","."]
docstr: Get area definition for message.
docstr_tok: ["Get","area","definition","for","message","."]
code: def get_area_def(self, dsid):
      """Get area definition for message."""
      msg = self._get_message(1)
      try:
          return self._get_area_def(msg)
      except (RuntimeError, KeyError):
          raise RuntimeError("Unknown GRIB projection information")
  
file_path: satpy/satpy/readers/hsaf_grib.py
imports: import logging
  from datetime import datetime, timedelta
  import dask.array
  import numpy
  import pygrib
  import xarray
  from pyresample import geometry
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 5 for calling the HSAFFileHandler obj's underlying member method code with example usage: obj.get_area_def(dsid) and returns: self