code: def __init__(self, file_or_path, font=None):
      self._file_or_path = file_or_path
      self._font = font
  
      self._glyph_map = {}
      self._glyph_order = None
  
      self._gdef = {}
      self._glyphclasses = {}
      self._features = {}
      self._lookups = {}
  
      self._marks = set()
      self._ligatures = {}
  
      self._markclasses = {}
      self._anchors = {}
  
      self._settings = {}
  
      self._lookup_names = {}
      self._class_names = {}
  
imports: import logging
  import re
  from io import StringIO
  from fontTools.feaLib import ast
  from fontTools.ttLib import TTFont, TTLibError
  from fontTools.voltLib import ast
  from fontTools.voltLib.parser import Parser
label_desc: Use image node_id 1 to create a new VoltToFea object  with example: obj = VoltToFea(file_or_path, font)