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# Copyright (c) 2021 Krai Ltd.
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# execution example in virtual env:
#   ck virtual env --tags=onnx,python-package --shell_cmd="python3 fix_unused_initializers_warnings.py resnet34.onnx"

import sys
import onnx
from onnx import optimizer
from onnx import helper
from onnx import AttributeProto, TensorProto, GraphProto


onnx_filename = sys.argv[1]

try:
  input_names = ['image']
  output_names = ['Concat_470', 'Transpose_661']

  onnx.utils.extract_model(onnx_filename, onnx_filename, input_names, output_names)
except:
  pass


model_def = onnx.load(onnx_filename)

del model_def.graph.output[1]
del model_def.graph.output[0]

concat = helper.make_tensor_value_info('Concat_470', TensorProto.FLOAT, [1,4,15130])
transpose = helper.make_tensor_value_info('Transpose_661', TensorProto.FLOAT, [1,81,15130])

model_def.graph.output.extend([concat])
model_def.graph.output.extend([transpose])

onnx.save(model_def, onnx_filename)