remove_initializer_from_input.py
import argparse
import onnx
def get_args():
parser = argparse.ArgumentParser()
parser.add_argument("--input", required=True, help="input model")
parser.add_argument("--output", required=True, help="output model")
args = parser.parse_args()
return args
def remove_initializer_from_input():
args = get_args()
model = onnx.load(args.input)
if model.ir_version < 4:
print("Model with ir_version below 4 requires to include initilizer in graph input")
return
inputs = model.graph.input
name_to_input = {}
for input in inputs:
name_to_input[input.name] = input
for initializer in model.graph.initializer:
if initializer.name in name_to_input:
inputs.remove(name_to_input[initializer.name])
onnx.save(model, args.output)
if __name__ == "__main__":
remove_initializer_from_input()
python remove_initializer_from_input.py --input model.onnx --output model_output.onnx