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@@ -7,11 +7,13 @@ import os
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import logging
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import torch
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-from funasr.bin.asr_inference_paraformer import Speech2Text
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from funasr.export.models import get_model
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import numpy as np
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import random
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+torch_version = float(".".join(torch.__version__.split(".")[:2]))
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+assert torch_version > 1.9
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+
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class ASRModelExportParaformer:
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def __init__(self, cache_dir: Union[Path, str] = None, onnx: bool = True):
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assert check_argument_types()
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@@ -30,7 +32,7 @@ class ASRModelExportParaformer:
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def _export(
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self,
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- model: Speech2Text,
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+ model,
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tag_name: str = None,
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verbose: bool = False,
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):
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@@ -118,110 +120,6 @@ class ASRModelExportParaformer:
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)
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-class ASRModelExport:
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- def __init__(self, cache_dir: Union[Path, str] = None, onnx: bool = True):
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- assert check_argument_types()
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- self.set_all_random_seed(0)
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- if cache_dir is None:
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- cache_dir = Path.home() / ".cache" / "export"
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-
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- self.cache_dir = Path(cache_dir)
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- self.export_config = dict(
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- feats_dim=560,
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- onnx=False,
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- )
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- print("output dir: {}".format(self.cache_dir))
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- self.onnx = onnx
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-
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- def _export(
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- self,
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- model: Speech2Text,
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- tag_name: str = None,
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- verbose: bool = False,
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- ):
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-
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- export_dir = self.cache_dir / tag_name.replace(' ', '-')
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- os.makedirs(export_dir, exist_ok=True)
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-
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- # export encoder1
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- self.export_config["model_name"] = "model"
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- model = get_model(
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- model,
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- self.export_config,
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- )
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- model.eval()
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- # self._export_onnx(model, verbose, export_dir)
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- if self.onnx:
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- self._export_onnx(model, verbose, export_dir)
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- else:
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- self._export_torchscripts(model, verbose, export_dir)
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-
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- print("output dir: {}".format(export_dir))
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-
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- def _export_torchscripts(self, model, verbose, path, enc_size=None):
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- if enc_size:
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- dummy_input = model.get_dummy_inputs(enc_size)
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- else:
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- dummy_input = model.get_dummy_inputs_txt()
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-
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- # model_script = torch.jit.script(model)
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- model_script = torch.jit.trace(model, dummy_input)
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- model_script.save(os.path.join(path, f'{model.model_name}.torchscripts'))
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-
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- def set_all_random_seed(self, seed: int):
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- random.seed(seed)
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- np.random.seed(seed)
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- torch.random.manual_seed(seed)
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-
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- def export(self,
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- tag_name: str = 'damo/speech_paraformer-large_asr_nat-zh-cn-16k-common-vocab8404-pytorch',
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- mode: str = 'paraformer',
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- ):
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-
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- model_dir = tag_name
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- if model_dir.startswith('damo/'):
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- from modelscope.hub.snapshot_download import snapshot_download
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- model_dir = snapshot_download(model_dir, cache_dir=self.cache_dir)
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- asr_train_config = os.path.join(model_dir, 'config.yaml')
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- asr_model_file = os.path.join(model_dir, 'model.pb')
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- cmvn_file = os.path.join(model_dir, 'am.mvn')
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- json_file = os.path.join(model_dir, 'configuration.json')
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- if mode is None:
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- import json
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- with open(json_file, 'r') as f:
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- config_data = json.load(f)
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- mode = config_data['model']['model_config']['mode']
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- if mode.startswith('paraformer'):
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- from funasr.tasks.asr import ASRTaskParaformer as ASRTask
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- elif mode.startswith('uniasr'):
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- from funasr.tasks.asr import ASRTaskUniASR as ASRTask
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-
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- model, asr_train_args = ASRTask.build_model_from_file(
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- asr_train_config, asr_model_file, cmvn_file, 'cpu'
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- )
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- self._export(model, tag_name)
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-
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- def _export_onnx(self, model, verbose, path, enc_size=None):
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- if enc_size:
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- dummy_input = model.get_dummy_inputs(enc_size)
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- else:
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- dummy_input = model.get_dummy_inputs()
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-
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- # model_script = torch.jit.script(model)
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- model_script = model # torch.jit.trace(model)
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-
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- torch.onnx.export(
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- model_script,
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- dummy_input,
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- os.path.join(path, f'{model.model_name}.onnx'),
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- verbose=verbose,
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- opset_version=12,
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- input_names=model.get_input_names(),
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- output_names=model.get_output_names(),
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- dynamic_axes=model.get_dynamic_axes()
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- )
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-
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-
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if __name__ == '__main__':
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import sys
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