mirror of
https://github.com/saymrwulf/onnxruntime.git
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52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
import onnx
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import argparse
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import os
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def export_and_recurse(node, attribute, output_dir, level):
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name = node.name
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name = name.replace('/', '_')
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sub_model = onnx.ModelProto()
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sub_model.graph.MergeFrom(attribute.g)
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filename = 'L' + str(level) + '_' + node.op_type + '_' + attribute.name + '_' + name + '.onnx'
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onnx.save_model(sub_model, os.path.join(output_dir, filename))
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dump_subgraph(sub_model, output_dir, level + 1)
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def dump_subgraph(model, output_dir, level=0):
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graph = model.graph
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for node in graph.node:
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if node.op_type == "Scan" or node.op_type == "Loop":
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body_attribute = list(filter(lambda attr: attr.name == 'body', node.attribute))[0]
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export_and_recurse(node, body_attribute, output_dir, level)
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if node.op_type == "If":
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then_attribute = list(filter(lambda attr: attr.name == 'then_branch', node.attribute))[0]
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else_attribute = list(filter(lambda attr: attr.name == 'else_branch', node.attribute))[0]
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export_and_recurse(node, then_attribute, output_dir, level)
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export_and_recurse(node, else_attribute, output_dir, level)
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def parse_args():
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parser = argparse.ArgumentParser(os.path.basename(__file__),
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description='Dump all subgraphs from an ONNX model into separate onnx files.')
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parser.add_argument('-m', '--model', required=True, help='model file')
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parser.add_argument('-o', '--out', required=True, help='output directory')
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return parser.parse_args()
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def main():
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args = parse_args()
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model_path = args.model
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out = os.path.abspath(args.out)
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if not os.path.exists(out):
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os.makedirs(out)
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model = onnx.load_model(model_path)
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dump_subgraph(model, out)
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if __name__ == '__main__':
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main()
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