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# Copyright 2021 Zilliz. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import numpy
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import os
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import torch
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from pathlib import Path
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from transformers import AutoTokenizer, AutoModel
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from towhee.operator import NNOperator
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from towhee import register
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import warnings
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warnings.filterwarnings('ignore')
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@register(output_schema=['vec'])
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class AutoTransformers(NNOperator):
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"""
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NLP embedding operator that uses the pretrained transformers model gathered by huggingface.
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Args:
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model_name (`str`):
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Which model to use for the embeddings.
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"""
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def __init__(self, model_name: str = "bert-base-uncased", device=None) -> None:
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super().__init__()
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if device is None:
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device = 'cuda' if torch.cuda.is_available() else 'cpu'
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self.device = device
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self.model_name = model_name
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try:
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self.model = AutoModel.from_pretrained(model_name).to(self.device)
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self.model.eval()
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except Exception as e:
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model_list = self.supported_model_names()
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if model_name not in model_list:
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log.error(f"Invalid model name: {model_name}. Supported model names: {model_list}")
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else:
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log.error(f"Fail to load model by name: {self.model_name}")
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raise e
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try:
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self.tokenizer = AutoTokenizer.from_pretrained(model_name)
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except Exception as e:
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log.error(f'Fail to load tokenizer by name: {self.model_name}')
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raise e
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def __call__(self, txt: str) -> numpy.ndarray:
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try:
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inputs = self.tokenizer(txt, return_tensors="pt").to(self.device)
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except Exception as e:
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log.error(f'Invalid input for the tokenizer: {self.model_name}')
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raise e
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try:
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outs = self.model(**inputs)
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except Exception as e:
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log.error(f'Invalid input for the model: {self.model_name}')
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raise e
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try:
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features = outs['last_hidden_state'].squeeze(0)
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except Exception as e:
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log.error(f'Fail to extract features by model: {self.model_name}')
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raise e
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vec = features.cpu().detach().numpy()
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return vec
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def save_model(self, format: str = 'pytorch', path: str = 'default'):
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if path == 'default':
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path = str(Path(__file__).parent)
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path = os.path.join(path, 'saved', format)
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os.makedirs(path, exist_ok=True)
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name = self.model_name.replace('/', '-')
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path = os.path.join(path, name)
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inputs = self.tokenizer('[CLS]', return_tensors='pt') # a dictionary
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if format == 'pytorch':
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path = path + '.pt'
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torch.save(self.model, path)
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elif format == 'torchscript':
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path = path + '.pt'
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inputs = list(inputs.values())
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try:
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try:
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jit_model = torch.jit.script(self.model)
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except Exception:
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jit_model = torch.jit.trace(self.model, inputs, strict=False)
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torch.jit.save(jit_model, path)
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except Exception as e:
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log.error(f'Fail to save as torchscript: {e}.')
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raise RuntimeError(f'Fail to save as torchscript: {e}.')
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elif format == 'onnx':
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path = path + '.onnx'
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try:
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torch.onnx.export(self.model,
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tuple(inputs.values()),
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path,
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input_names=list(inputs.keys()),
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output_names=["last_hidden_state"],
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dynamic_axes={
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"input_ids": {0: "batch_size", 1: "input_length"},
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"token_type_ids": {0: "batch_size", 1: "input_length"},
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"attention_mask": {0: "batch_size", 1: "input_length"},
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"last_hidden_state": {0: "batch_size"},
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},
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opset_version=13,
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do_constant_folding=True,
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enable_onnx_checker=True,
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)
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except Exception as e:
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print(e, '\nTrying with 2 outputs...')
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torch.onnx.export(self.model,
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tuple(inputs.values()),
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path,
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input_names=["input_ids", "token_type_ids", "attention_mask"], # list(inputs.keys())
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output_names=["last_hidden_state", "pooler_output"],
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opset_version=13,
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dynamic_axes={
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"input_ids": {0: "batch_size", 1: "input_length"},
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"token_type_ids": {0: "batch_size", 1: "input_length"},
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"attention_mask": {0: "batch_size", 1: "input_length"},
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"last_hidden_state": {0: "batch_size"},
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"pooler_outputs": {0: "batch_size"}
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})
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# todo: elif format == 'tensorrt':
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else:
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log.error(f'Unsupported format "{format}".')
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@staticmethod
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def supported_model_names(format: str = None):
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full_list = [
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"bert-large-uncased",
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"bert-base-cased",
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"bert-large-cased",
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"bert-base-multilingual-uncased",
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"bert-base-multilingual-cased",
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"bert-base-chinese",
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"bert-base-german-cased",
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"bert-large-uncased-whole-word-masking",
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"bert-large-cased-whole-word-masking",
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"bert-large-uncased-whole-word-masking-finetuned-squad",
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"bert-large-cased-whole-word-masking-finetuned-squad",
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"bert-base-cased-finetuned-mrpc",
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"bert-base-german-dbmdz-cased",
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"bert-base-german-dbmdz-uncased",
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"cl-tohoku/bert-base-japanese-whole-word-masking",
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"cl-tohoku/bert-base-japanese-char",
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"cl-tohoku/bert-base-japanese-char-whole-word-masking",
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"TurkuNLP/bert-base-finnish-cased-v1",
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"TurkuNLP/bert-base-finnish-uncased-v1",
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"wietsedv/bert-base-dutch-cased",
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"google/bigbird-roberta-base",
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"google/bigbird-roberta-large",
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"google/bigbird-base-trivia-itc",
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"albert-base-v1",
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"albert-large-v1",
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"albert-xlarge-v1",
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"albert-xxlarge-v1",
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"albert-base-v2",
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"albert-large-v2",
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"albert-xlarge-v2",
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"albert-xxlarge-v2",
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"facebook/bart-large",
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"google/bert_for_seq_generation_L-24_bbc_encoder",
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"google/bigbird-pegasus-large-arxiv",
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"google/bigbird-pegasus-large-pubmed",
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"google/bigbird-pegasus-large-bigpatent",
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"google/canine-s",
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"google/canine-c",
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"YituTech/conv-bert-base",
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"YituTech/conv-bert-medium-small",
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"YituTech/conv-bert-small",
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"ctrl",
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"microsoft/deberta-base",
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"microsoft/deberta-large",
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"microsoft/deberta-xlarge",
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"microsoft/deberta-base-mnli",
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"microsoft/deberta-large-mnli",
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"microsoft/deberta-xlarge-mnli",
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"distilbert-base-uncased",
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"distilbert-base-uncased-distilled-squad",
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"distilbert-base-cased",
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"distilbert-base-cased-distilled-squad",
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"distilbert-base-german-cased",
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"distilbert-base-multilingual-cased",
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"distilbert-base-uncased-finetuned-sst-2-english",
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"google/electra-small-generator",
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"google/electra-base-generator",
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"google/electra-large-generator",
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"google/electra-small-discriminator",
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"google/electra-base-discriminator",
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"google/electra-large-discriminator",
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"google/fnet-base",
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"google/fnet-large",
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"facebook/wmt19-ru-en",
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"funnel-transformer/small",
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"funnel-transformer/small-base",
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"funnel-transformer/medium",
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"funnel-transformer/medium-base",
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"funnel-transformer/intermediate",
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"funnel-transformer/intermediate-base",
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"funnel-transformer/large",
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"funnel-transformer/large-base",
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"funnel-transformer/xlarge-base",
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"funnel-transformer/xlarge",
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"gpt2",
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"gpt2-medium",
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"gpt2-large",
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"gpt2-xl",
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"distilgpt2",
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"EleutherAI/gpt-neo-1.3B",
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"EleutherAI/gpt-j-6B",
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"kssteven/ibert-roberta-base",
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"allenai/led-base-16384",
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"google/mobilebert-uncased",
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"microsoft/mpnet-base",
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"uw-madison/nystromformer-512",
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"openai-gpt",
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"google/reformer-crime-and-punishment",
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"tau/splinter-base",
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"tau/splinter-base-qass",
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"tau/splinter-large",
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"tau/splinter-large-qass",
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"squeezebert/squeezebert-uncased",
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"squeezebert/squeezebert-mnli",
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"squeezebert/squeezebert-mnli-headless",
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"transfo-xl-wt103",
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"xlm-mlm-en-2048",
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"xlm-mlm-ende-1024",
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"xlm-mlm-enfr-1024",
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"xlm-mlm-enro-1024",
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"xlm-mlm-tlm-xnli15-1024",
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"xlm-mlm-xnli15-1024",
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"xlm-clm-enfr-1024",
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"xlm-clm-ende-1024",
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"xlm-mlm-17-1280",
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"xlm-mlm-100-1280",
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"xlm-roberta-base",
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"xlm-roberta-large",
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"xlm-roberta-large-finetuned-conll02-dutch",
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"xlm-roberta-large-finetuned-conll02-spanish",
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"xlm-roberta-large-finetuned-conll03-english",
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"xlm-roberta-large-finetuned-conll03-german",
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"xlnet-base-cased",
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"xlnet-large-cased",
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"uw-madison/yoso-4096",
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"microsoft/deberta-v2-xlarge",
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"microsoft/deberta-v2-xxlarge",
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"microsoft/deberta-v2-xlarge-mnli",
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"microsoft/deberta-v2-xxlarge-mnli",
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"flaubert/flaubert_small_cased",
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"flaubert/flaubert_base_uncased",
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"flaubert/flaubert_base_cased",
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"flaubert/flaubert_large_cased",
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"camembert-base",
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"Musixmatch/umberto-commoncrawl-cased-v1",
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"Musixmatch/umberto-wikipedia-uncased-v1",
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]
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full_list.sort()
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if format is None:
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model_list = full_list
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elif format == 'pytorch':
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to_remove = []
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assert set(to_remove).issubset(set(full_list))
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model_list = list(set(full_list) - set(to_remove))
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elif format == 'torchscript':
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to_remove = [
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'EleutherAI/gpt-j-6B',
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'EleutherAI/gpt-neo-1.3B',
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'allenai/led-base-16384',
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'ctrl',
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'distilgpt2',
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'facebook/bart-large',
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'google/bigbird-pegasus-large-arxiv',
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'google/bigbird-pegasus-large-bigpatent',
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'google/bigbird-pegasus-large-pubmed',
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'google/canine-c',
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'google/canine-s',
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'google/reformer-crime-and-punishment',
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'gpt2',
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'gpt2-large',
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'gpt2-medium',
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'gpt2-xl',
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'microsoft/deberta-base',
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'microsoft/deberta-base-mnli',
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'microsoft/deberta-large',
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'microsoft/deberta-large-mnli',
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'microsoft/deberta-xlarge',
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'microsoft/deberta-xlarge-mnli',
|
|
|
|
|
'openai-gpt',
|
|
|
|
|
'transfo-xl-wt103',
|
|
|
|
|
'uw-madison/yoso-4096',
|
|
|
|
|
'xlm-clm-ende-1024',
|
|
|
|
|
'xlm-clm-enfr-1024',
|
|
|
|
|
'xlm-mlm-100-1280',
|
|
|
|
|
'xlm-mlm-17-1280',
|
|
|
|
|
'xlm-mlm-en-2048',
|
|
|
|
|
'xlm-mlm-ende-1024',
|
|
|
|
|
'xlm-mlm-enfr-1024',
|
|
|
|
|
'xlm-mlm-enro-1024',
|
|
|
|
|
'xlm-mlm-tlm-xnli15-1024',
|
|
|
|
|
'xlm-mlm-xnli15-1024',
|
|
|
|
|
'xlnet-base-cased',
|
|
|
|
|
'xlnet-large-cased',
|
|
|
|
|
'microsoft/deberta-v2-xlarge',
|
|
|
|
|
'microsoft/deberta-v2-xxlarge',
|
|
|
|
|
'microsoft/deberta-v2-xlarge-mnli',
|
|
|
|
|
'microsoft/deberta-v2-xxlarge-mnli',
|
|
|
|
|
'flaubert/flaubert_small_cased',
|
|
|
|
|
'flaubert/flaubert_base_uncased',
|
|
|
|
|
'flaubert/flaubert_base_cased',
|
|
|
|
|
'flaubert/flaubert_large_cased'
|
|
|
|
|
]
|
|
|
|
|
assert set(to_remove).issubset(set(full_list))
|
|
|
|
|
model_list = list(set(full_list) - set(to_remove))
|
|
|
|
|
elif format == 'onnx':
|
|
|
|
|
to_remove = [
|
|
|
|
|
'allenai/led-base-16384',
|
|
|
|
|
'ctrl',
|
|
|
|
|
'distilgpt2',
|
|
|
|
|
'EleutherAI/gpt-j-6B',
|
|
|
|
|
'EleutherAI/gpt-neo-1.3B',
|
|
|
|
|
'funnel-transformer/large',
|
|
|
|
|
'funnel-transformer/medium',
|
|
|
|
|
'funnel-transformer/small',
|
|
|
|
|
'funnel-transformer/xlarge',
|
|
|
|
|
'google/bigbird-pegasus-large-arxiv',
|
|
|
|
|
'google/bigbird-pegasus-large-bigpatent',
|
|
|
|
|
'google/bigbird-pegasus-large-pubmed',
|
|
|
|
|
'google/fnet-base',
|
|
|
|
|
'google/fnet-large',
|
|
|
|
|
'google/reformer-crime-and-punishment',
|
|
|
|
|
'gpt2',
|
|
|
|
|
'gpt2-large',
|
|
|
|
|
'gpt2-medium',
|
|
|
|
|
'gpt2-xl',
|
|
|
|
|
'microsoft/deberta-v2-xlarge',
|
|
|
|
|
'microsoft/deberta-v2-xlarge-mnli',
|
|
|
|
|
'microsoft/deberta-v2-xxlarge',
|
|
|
|
|
'microsoft/deberta-v2-xxlarge-mnli',
|
|
|
|
|
'microsoft/deberta-xlarge',
|
|
|
|
|
'microsoft/deberta-xlarge-mnli',
|
|
|
|
|
'openai-gpt',
|
|
|
|
|
'transfo-xl-wt103',
|
|
|
|
|
'uw-madison/yoso-4096',
|
|
|
|
|
'xlm-mlm-100-1280',
|
|
|
|
|
'xlm-mlm-17-1280',
|
|
|
|
|
'xlm-mlm-en-2048',
|
|
|
|
|
'xlm-roberta-large',
|
|
|
|
|
'xlm-roberta-large-finetuned-conll02-dutch',
|
|
|
|
|
'xlm-roberta-large-finetuned-conll02-spanish',
|
|
|
|
|
'xlm-roberta-large-finetuned-conll03-english',
|
|
|
|
|
'xlm-roberta-large-finetuned-conll03-german',
|
|
|
|
|
'xlnet-base-cased',
|
|
|
|
|
'xlnet-large-cased'
|
|
|
|
|
]
|
|
|
|
|
assert set(to_remove).issubset(set(full_list))
|
|
|
|
|
model_list = list(set(full_list) - set(to_remove))
|
|
|
|
|
# todo: elif format == 'tensorrt':
|
|
|
|
|
else:
|
|
|
|
|
log.error(f'Invalid format "{format}". Currently supported formats: "pytorch", "torchscript".')
|
|
|
|
|
return model_list
|
