class_docstr: Dumpt a DL graph into a Python script.
class_docstr_tok: ["Dumpt","a","DL","graph","into","a","Python","script","."]
code: def __init__(self, graph, data, target):
      self.graph = graph
      self.data = data
      self.tab = " " * 4
      self.prefix = ""
      target = target.lower()
      if target == "tensorflow":
          self.target = target
          self.net = "TensorFlowNetwork"
      elif target == "keras":
          self.target = target
          self.net = "KerasNetwork"
      elif target == "caffe":
          self.target = target
          self.net = "CaffeNetwork"
      else:
          raise ConversionError(
              "Target %s is not supported yet." % target
          )
  
imports: import base64
  from google.protobuf import json_format
  from importlib import import_module
  import json
  import numpy
  import os
  import sys
  from mmdnn.conversion.caffe.errors import ConversionError
  from mmdnn.conversion.caffe.common_graph import fetch_attr_value
  from mmdnn.conversion.caffe.utils import get_lower_case, get_upper_case, get_real_name
label_desc: Use image node_id 1 to create a new PyWriter object from inherited base classes: object with example: obj = PyWriter(graph, data, target)