戒酒的李白
23 lines
895 B
Python
23 lines
895 B
Python
import os
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from transformers.models.bert import BertTokenizer, BertModel
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import torch
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class BERT_CTM_Model:
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def __init__(self, bert_model_path):
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# 加载BERT模型和tokenizer
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self.tokenizer = BertTokenizer.from_pretrained(bert_model_path)
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self.model = BertModel.from_pretrained(bert_model_path)
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def get_bert_embeddings(self, text):
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"""使用BERT模型生成文本的嵌入向量"""
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inputs = self.tokenizer(text, return_tensors="pt", padding="max_length", truncation=True, max_length=80)
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with torch.no_grad():
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outputs = self.model(**inputs)
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return outputs.last_hidden_state.cpu().numpy() # [batch_size, sequence_length, hidden_size]
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if __name__ == "__main__":
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model = BERT_CTM_Model('./bert_model')
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text = "这是一个测试文本"
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embedding = model.get_bert_embeddings(text)
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print(embedding.shape)
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