app.py

# import argparse, os, sys, glob
# sys.path.append(os.path.split(sys.path[0])[0])

from diffusers import StableDiffusionPipeline
import torch
from free_lunch_utils import register_free_upblock2d, register_free_crossattn_upblock2d

import gradio as gr
from PIL import Image  
import torch
from muse import PipelineMuse
from diffusers import AutoPipelineForText2Image, UniPCMultistepScheduler


if sd_options == 'SD1.4':
    model_id = "CompVis/stable-diffusion-v1-4"
elif sd_options == 'SD1.5':
    model_id = "runwayml/stable-diffusion-v1-5"
elif sd_options == 'SD2.1':
    model_id = "stabilityai/stable-diffusion-2-1"
    
pip_sd = StableDiffusionPipeline.from_pretrained(model_id, torch_dtype=torch.float16)
pip_sd = pip_sd.to("cuda")


pip_freeu = StableDiffusionPipeline.from_pretrained(model_id, torch_dtype=torch.float16)
pip_freeu = pip_freeu.to("cuda")
# -------- freeu block registration
register_free_upblock2d(pipe, b1=1.2, b2=1.4, s1=0.9, s2=0.2)
register_free_crossattn_upblock2d(pipe, b1=1.2, b2=1.4, s1=0.9, s2=0.2)
# -------- freeu block registration


def infer(prompt):

    print("Generating SD:")
    sd_image = pip_sd(prompt).images[0]  

    print("Generating FreeU:")
    freeu_image = pip_freeu(prompt).images[0]  

    # First SD, then freeu
    images = [sd_image, freeu_image]

    return images


examples = [
    [
        "A small cabin on top of a snowy mountain in the style of Disney, artstation",
    ],
    [
        "a monkey doing yoga on the beach",
    ],
    [
        "half human half cat, a human cat hybrid",
    ],
    [
        "a hedgehog using a calculator",
    ],
    [
        "kanye west | diffuse lighting | fantasy | intricate elegant highly detailed lifelike photorealistic digital painting | artstation",
    ],
    [
        "astronaut pig",
    ],
    [
        "two people shouting at each other",
    ],
    [
        "A linked in profile picture of Elon Musk",
    ],
    [
        "A man looking out of a rainy window",
    ],
    [
        "close up, iron man, eating breakfast in a cabin, symmetrical balance, hyper-realistic --ar 16:9 --style raw"
    ],
    [
        'A high tech solarpunk utopia in the Amazon rainforest',
    ],
    [
        'A pikachu fine dining with a view to the Eiffel Tower',
    ],
    [
        'A mecha robot in a favela in expressionist style',
    ],
    [
        'an insect robot preparing a delicious meal',
    ],
]
    
    
css = """
h1 {
  text-align: center;
}

#component-0 {
  max-width: 730px;
  margin: auto;
}
"""

block = gr.Blocks(css=css)

options = ['SD1.4', 'SD1.5', 'SD2.1']

with block:
    gr.Markdown("SD vs. FreeU.")
    with gr.Group():
        with gr.Row(elem_id="prompt-container").style(mobile_collapse=False, equal_height=True):
            with gr.Column():
                text = gr.Textbox(
                    label="Enter your prompt",
                    show_label=False,
                    max_lines=1,
                    placeholder="Enter your prompt",
                    container=False,
                )
            btn = gr.Button("Generate image", scale=0)
        
        with gr.Accordion('FreeU Parameters', open=False):
            sd_options = gr.Dropdown(options, label="SD options")

            b1 = gr.Slider(label='b1: backbone factor of the first stage block of decoder',
                                    minimum=1,
                                    maximum=1.6,
                                    step=0.01,
                                    value=1)
            b2 = gr.Slider(label='b2: backbone factor of the second stage block of decoder',
                                    minimum=1,
                                    maximum=1.6,
                                    step=0.01,
                                    value=1)
            s1 = gr.Slider(label='s1: skip factor of the first stage block of decoder',
                                    minimum=0,
                                    maximum=1,
                                    step=0.1,
                                    value=1)
            s2 = gr.Slider(label='s2: skip factor of the second stage block of decoder',
                                    minimum=0,
                                    maximum=1,
                                    step=0.1,
                                    value=1)

        with gr.Row():
            with gr.Column(min_width=256) as c1:
                image_1 = gr.Image(interactive=False)
                image_1_label = gr.Markdown("SD")
            with gr.Column(min_width=256) as c2:
                image_2 = gr.Image(interactive=False)
                image_2_label = gr.Markdown("FreeU")
            

    ex = gr.Examples(examples=examples, fn=infer, inputs=[text], outputs=[image_1, image_2], cache_examples=False)
    ex.dataset.headers = [""]

    text.submit(infer, inputs=[text], outputs=[image_1, image_2])
    btn.click(infer, inputs=[text], outputs=[image_1, image_2])

block.launch()