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from typing import List, Dict
from PIL.Image import Image
import torch
from transformers import AutoModel, AutoProcessor
MODEL_NAME = "Marqo/marqo-fashionCLIP"
class FashionCLIPEncoder:
def __init__(self):
self.processor = AutoProcessor.from_pretrained(
MODEL_NAME, trust_remote_code=True
)
self.model = AutoModel.from_pretrained(MODEL_NAME, trust_remote_code=True)
self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
self.model = self.model.to(self.device)
self.model.eval()
def encode_text(self, texts: List[str]) -> List[List[float]]:
kwargs = {
"padding": "max_length",
"return_tensors": "pt",
"truncation": True,
}
inputs = self.processor(text=texts, **kwargs)
with torch.no_grad():
batch = {k: v.to(self.device) for k, v in inputs.items()}
return self._encode_text(batch)
def encode_images(self, images: List[Image]) -> List[List[float]]:
kwargs = {
"return_tensors": "pt",
}
inputs = self.processor(images=images, **kwargs)
with torch.no_grad():
batch = {k: v.to(self.device) for k, v in inputs.items()}
return self._encode_images(batch)
def _encode_text(self, batch: Dict) -> List[List[float]]:
return self.model.get_text_features(**batch).detach().cpu().numpy().tolist()
def _encode_images(self, batch: Dict) -> List[List[float]]:
return self.model.get_image_features(**batch).detach().cpu().numpy().tolist()
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