code: def __init__(self, file):
      self._read(file)
  
file_path: catboost/contrib/python/fonttools/fontTools/tfmLib.py
imports: from types import SimpleNamespace
  from fontTools.misc.sstruct import calcsize, unpack, unpack2
label_desc: Use image node_id 1 to create a new TFM object  with example: obj = TFM(file)