class_docstr: Base file handler.
class_docstr_tok: ["Base","file","handler","."]
docstr: Customize __str__.
docstr_tok: ["Customize","__str__","."]
code: def __str__(self):
      """Customize __str__."""
      return "<{}: '{}'>".format(self.__class__.__name__, self.filename)
  
imports: import numpy
  import xarray
  from pyresample.geometry import SwathDefinition
  from satpy.dataset import combine_metadata
  from satpy.readers import open_file_or_filename
label_desc: Use image node_id 2 for calling the BaseFileHandler obj's underlying member method code with example usage: obj.__str__() and returns: str