import io
import base64
import shutil
import torch
from transformers import CLIPProcessor, CLIPModel, CLIPTokenizer


class PreTrainedPipeline():
    def __init__(self, path=""):
        """
        Initialize model
        """
        self.model = CLIPModel.from_pretrained(path)
        self.tokenizer = CLIPTokenizer.from_pretrained(path)

    def __call__(self, inputs: str):
        """
        Args:
            inputs (:obj:`str`):
                a string containing some text
        Return:
            A :obj:`list`list of floats: The features computed by the model.
        """
        inputs = self.tokenizer(inputs, padding=True, return_tensors="pt")
  
        # Compute text embeddings
        with torch.no_grad():
            text_features = self.model.get_text_features(**inputs)
        return text_features[0].tolist()