class_docstr: Benchmark FCI FDHSI test data reading.
class_docstr_tok: ["Benchmark","FCI","FDHSI","test","data","reading","."]
code: def _get_filename_selection(self, selection):
      if selection == "some":
          return fnmatch.filter(self.filenames, "*3[0123].nc")
      if selection == "all":
          return self.filenames
      raise ValueError(
          "Expected selection some or all, got " + selection
      )
  
imports: from __future__ import annotations
  import fnmatch
  import os
  import satpy
  import satpy.demo.fci
  from .utils import GeoBenchmarks
label_desc: Use image node_id 14 for calling the FCI obj's underlying member method code with example usage: obj._get_filename_selection(selection) and returns: fnmatch, self