model_loader.py

import torch
from transformers import AutoModelForCausalLM
from janus.models import MultiModalityCausalLM, VLChatProcessor

def load_model_and_processor(model_path):
    vl_chat_processor: VLChatProcessor = VLChatProcessor.from_pretrained(model_path)
    tokenizer = vl_chat_processor.tokenizer

    vl_gpt: MultiModalityCausalLM = AutoModelForCausalLM.from_pretrained(
        model_path, trust_remote_code=True, torch_dtype=torch.bfloat16
    )
    vl_gpt = vl_gpt.to(torch.bfloat16).cuda().eval()

    return vl_gpt, vl_chat_processor