class_docstr: Unpacks various data representations from the given buffer.
class_docstr_tok: ["Unpacks","various","data","representations","from","the","given","buffer","."]
code: def __init__(self, data):
      self.reset(data)
  
imports: import struct
  from io import BytesIO
  from functools import wraps
  import warnings
label_desc: Use image node_id 1 to create a new Unpacker object  with example: obj = Unpacker(data)