code: def __init__(self, prototxt, caffemodel=None):
      self.caffemodel = caffemodel
      self.prototxt = prototxt
      # key:string, val:dict(key: func, val: index)
      self.naming_map = collections.defaultdict(dict)
  
imports: import collections
  import heapq
  import os
  import numpy
  import six
  import chainer
  from chainer import function
  from chainer import function_node
  from chainer.links.caffe.protobuf3 import caffe_pb2
  from chainer import variable
label_desc: Use image node_id 1 to create a new _RetrieveAsCaffeModel object from inherited base classes: object with example: obj = _RetrieveAsCaffeModel(prototxt, caffemodel)