code: def unpack(self, source: IO):
          
          count = unpack('>H', source.read(2))[0]
          for _ in repeat(None, count):
              name_index, length = unpack('>HI', source.read(6))
              info_blob = source.read(length)
              self._table.append((name_index, info_blob))
docs: Read the ConstantPool from the file-like object `source`.
  
          .. note::
  
              Advanced usage only. You will typically never need to call this
              method as it will be called for you when loading a ClassFile.
  
          :param source: Any file-like object providing `read()`