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import torch
from diffusers import StableDiffusionPipeline, EulerDiscreteScheduler, DPMSolverMultistepScheduler, \
    OnnxStableDiffusionPipeline

import pipeline_openvino_stable_diffusion


def get_sd_21():
    model_id = "stabilityai/stable-diffusion-2-1-base"
    scheduler = EulerDiscreteScheduler.from_pretrained(model_id, subfolder="scheduler")

    if torch.cuda.is_available():
        pipe = StableDiffusionPipeline.from_pretrained(
            model_id,
            scheduler=scheduler,
            # safety_checker=None,
            revision="fp16",
            torch_dtype=torch.float16)
        pipe = pipe.to('cuda')
    else:
        pipe = StableDiffusionPipeline.from_pretrained(
            model_id,
            scheduler=scheduler,
            # safety_checker=None,
            revision="fp16",
            torch_dtype=torch.float16)
    return pipe


def get_sd_small():
    model_id = 'OFA-Sys/small-stable-diffusion-v0'
    scheduler = DPMSolverMultistepScheduler.from_pretrained(model_id, subfolder="scheduler")

    onnx_pipe = OnnxStableDiffusionPipeline.from_pretrained(
        "OFA-Sys/small-stable-diffusion-v0",
        scheduler=scheduler,
        revision="onnx",
        provider="CPUExecutionProvider",
    )
    pipe = pipeline_openvino_stable_diffusion.OpenVINOStableDiffusionPipeline.from_onnx_pipeline(onnx_pipe)
    return pipe