code: def usage(outfile, executable=sys.argv[0]):
      if "__main__.py" in executable:
          # That was -m datalad way to launch
          executable = "%s -m datalad" % sys.executable
      outfile.write(
          """Usage: %s [OPTIONS] <file> [ARGS]
  
  Purpose:
   To provide FUSE-like operation whenever necessary files
   (as accessed by open, h5py.File) are requested, they get
   fetched.
  
  Meta-options:
  --help                Display this help then exit.
  --version             Output version information then exit.
  """
          % executable
      )
  
imports: import sys
  from .None import __version__
  from .log import lgr
label_desc: Use image node_id 1 for calling a global function with example usage: usage(outfile, executable) without return types