code: def encodeData(self, data):
      self.origLength = len(data)
      if not self.uncompressed:
          compressedData = compress(data, self.zlibCompressionLevel)
      if self.uncompressed or len(compressedData) >= self.origLength:
          # Encode uncompressed
          rawData = data
          self.length = self.origLength
      else:
          rawData = compressedData
          self.length = len(rawData)
      return rawData
  
imports: from io import BytesIO
  from types import SimpleNamespace
  from fontTools.misc.textTools import Tag
  from fontTools.misc import sstruct
  from fontTools.ttLib import TTLibError, TTLibFileIsCollectionError
  import struct
  from collections import OrderedDict
  import logging
label_desc: Use image node_id 3 for calling the WOFFDirectoryEntry obj's underlying member method code with example usage: obj.encodeData(data) and returns: rawData