import sys import torch from transformers import AutoModelForMaskedLM, AutoTokenizer from config import config from text.japanese import text2sep_kata LOCAL_PATH = "./bert/deberta-v2-large-japanese" tokenizer = AutoTokenizer.from_pretrained(LOCAL_PATH) models = dict() def get_bert_feature(text, word2ph, device=config.bert_gen_config.device): sep_text, _, _ = text2sep_kata(text) sep_tokens = [tokenizer.tokenize(t) for t in sep_text] sep_ids = [tokenizer.convert_tokens_to_ids(t) for t in sep_tokens] sep_ids = [2] + [item for sublist in sep_ids for item in sublist] + [3] return get_bert_feature_with_token(sep_ids, word2ph, device) def get_bert_feature_with_token(tokens, word2ph, device=config.bert_gen_config.device): if ( sys.platform == "darwin" and torch.backends.mps.is_available() and device == "cpu" ): device = "mps" if not device: device = "cuda" if device not in models.keys(): models[device] = AutoModelForMaskedLM.from_pretrained(LOCAL_PATH).to(device) with torch.no_grad(): inputs = torch.tensor(tokens).to(device).unsqueeze(0) token_type_ids = torch.zeros_like(inputs).to(device) attention_mask = torch.ones_like(inputs).to(device) inputs = { "input_ids": inputs, "token_type_ids": token_type_ids, "attention_mask": attention_mask, } # for i in inputs: # inputs[i] = inputs[i].to(device) res = models[device](**inputs, output_hidden_states=True) res = torch.cat(res["hidden_states"][-3:-2], -1)[0].cpu() assert inputs["input_ids"].shape[-1] == len(word2ph) word2phone = word2ph phone_level_feature = [] for i in range(len(word2phone)): repeat_feature = res[i].repeat(word2phone[i], 1) phone_level_feature.append(repeat_feature) phone_level_feature = torch.cat(phone_level_feature, dim=0) return phone_level_feature.T