| 278 | |
| 279 | class TextModel(nn.Module): |
| 280 | def __init__(self, encoder): |
| 281 | super(TextModel, self).__init__() |
| 282 | self.encoder = encoder |
| 283 | if self.encoder == 'Bert' or self.encoder == 'bert': |
| 284 | self.tokenizer = BertTokenizer.from_pretrained('bert-base-uncased') |
| 285 | self.textmodel = BertModel.from_pretrained('bert-base-uncased') |
| 286 | |
| 287 | |
| 288 | if self.encoder == 'Roberta' or self.encoder == 'roberta' : |
| 289 | self.tokenizer = RobertaTokenizer.from_pretrained('roberta-base') |
| 290 | self.textmodel = RobertaModel.from_pretrained('roberta-base') |
| 291 | if self.encoder == 'SentenceBert': |
| 292 | self.tokenizer = AutoTokenizer.from_pretrained("sentence-transformers/multi-qa-distilbert-cos-v1") |
| 293 | self.textmodel = AutoModel.from_pretrained("sentence-transformers/multi-qa-distilbert-cos-v1") |
| 294 | if self.encoder == 'SimCSE': |
| 295 | self.tokenizer = AutoTokenizer.from_pretrained('princeton-nlp/sup-simcse-bert-base-uncased') |
| 296 | self.textmodel = AutoModel.from_pretrained('princeton-nlp/sup-simcse-bert-base-uncased') |
| 297 | if self.encoder == 'e5': |
| 298 | self.tokenizer = AutoTokenizer.from_pretrained('intfloat/e5-base-v2') |
| 299 | self.textmodel = AutoModel.from_pretrained('intfloat/e5-base-v2') |
| 300 | if self.encoder == 't5': |
| 301 | self.tokenizer = T5Tokenizer.from_pretrained("t5-large") |
| 302 | self.textmodel = T5EncoderModel.from_pretrained("t5-large") |
| 303 | |
| 304 | |
| 305 | |