Delete utils
Browse files- utils/data_loader.py +0 -43
- utils/esm_utils.py +0 -15
utils/data_loader.py
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import pandas as pd
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import torch
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from torch.utils.data import Dataset, DataLoader
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from torch.nn.utils.rnn import pad_sequence
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from esm_utils import get_latents, load_esm2_model
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import config
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class ProteinDataset(Dataset):
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def __init__(self, csv_file, tokenizer, model):
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self.data = pd.read_csv(csv_file).head(4)
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self.tokenizer = tokenizer
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self.model = model
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def __len__(self):
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return len(self.data)
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def __getitem__(self, idx):
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sequence = self.data.iloc[idx]['Sequence']
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latents = get_latents(self.model, self.tokenizer, sequence)
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attention_mask = torch.ones_like(latents)
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attention_mask = torch.mean(attention_mask, dim=-1)
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return latents, attention_mask
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def collate_fn(batch):
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latents, attention_mask = zip(*batch)
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latents_padded = pad_sequence([torch.tensor(latent) for latent in latents], batch_first=True, padding_value=0)
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attention_mask_padded = pad_sequence([torch.tensor(mask) for mask in attention_mask], batch_first=True, padding_value=0)
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return latents_padded, attention_mask_padded
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def get_dataloaders(config):
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tokenizer, masked_model, embedding_model = load_esm2_model(config.MODEL_NAME)
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train_dataset = ProteinDataset(config.Loader.DATA_PATH + "/train.csv", tokenizer, embedding_model)
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val_dataset = ProteinDataset(config.Loader.DATA_PATH + "/val.csv", tokenizer, embedding_model)
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test_dataset = ProteinDataset(config.Loader.DATA_PATH + "/test.csv", tokenizer, embedding_model)
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train_loader = DataLoader(train_dataset, batch_size=config.Loader.BATCH_SIZE, num_workers=0, shuffle=True, collate_fn=collate_fn)
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val_loader = DataLoader(val_dataset, batch_size=config.Loader.BATCH_SIZE, num_workers=0, shuffle=False, collate_fn=collate_fn)
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test_loader = DataLoader(test_dataset, batch_size=config.Loader.BATCH_SIZE, num_workers=0, shuffle=False, collate_fn=collate_fn)
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return train_loader, val_loader, test_loader
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utils/esm_utils.py
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import torch
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import config
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from transformers import AutoTokenizer, AutoModel, AutoModelForMaskedLM
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def load_esm2_model(model_name):
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tokenizer = AutoTokenizer.from_pretrained(model_name)
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masked_model = AutoModelForMaskedLM.from_pretrained(model_name)
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embedding_model = AutoModel.from_pretrained(model_name)
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return tokenizer, masked_model, embedding_model
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def get_latents(model, tokenizer, sequence):
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inputs = tokenizer(sequence, return_tensors="pt")
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with torch.no_grad():
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outputs = model(**inputs)
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return outputs.last_hidden_state.squeeze(0)
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