diffmodels/__init__.py

from .diffusion_utils import build_pipeline

NAME_TO_MODEL = {
    "stable-diffusion-v1-4": 
    {
        "model" : "CompVis/stable-diffusion-v1-4",
        "unet" : "CompVis/stable-diffusion-v1-4",
        "tokenizer" : "openai/clip-vit-large-patch14",
        "text_encoder" : "openai/clip-vit-large-patch14",        
    },
    "stable_diffusion_v2_1":
    {
        "model" : "stabilityai/stable-diffusion-2-1",
        "unet" : "stabilityai/stable-diffusion-2-1",
        "tokenizer" : "laion/CLIP-ViT-H-14-laion2B-s32B-b79K",
        "text_encoder" : "laion/CLIP-ViT-H-14-laion2B-s32B-b79K",
    }
}

def get_model(model_name):
    model = NAME_TO_MODEL.get(model_name)
    if model is None:
        raise ValueError(f"Model name {model_name} not found. Available models: {list(NAME_TO_MODEL.keys())}")
    vae, tokenizer, text_encoder, unet = build_pipeline(model["model"], model["tokenizer"], model["text_encoder"], model["unet"])
    return vae, tokenizer, text_encoder, unet