code: def __init__(self, model_file):
      super(ONNXParser, self).__init__()
  
      model = ONNXParser._load_model(model_file)
      self.onnx_graph = ONNXGraph(model)
      self.onnx_graph.build()
      self.weight_loaded = True
  
file_path: MMdnn/mmdnn/conversion/onnx/onnx_parser.py
imports: from mmdnn.conversion.common.DataStructure.parser import Parser
  from mmdnn.conversion.onnx.onnx_graph import ONNXGraph
label_desc: Use image node_id 3 to create a new ONNXParser object from inherited base classes: Parser with example: obj = ONNXParser(model_file)