app.py

import numpy as np
import gradio as gr

import os
from io import BytesIO

import gradio as gr
import numpy as np
import replicate
import requests
from PIL import Image


def generate(prompt: str, secret_key: str, steps: int = 25, seed: int = -1):
    """
    プロンプトから生成画像(PIL.Image.open)を取得
    """
    if secret_key == os.environ["SECRET_KEY"]:
        output = replicate.run(
            "stability-ai/sdxl:2b017d9b67edd2ee1401238df49d75da53c523f36e363881e057f5dc3ed3c5b2",
            input={"prompt": prompt,
                   "seed": seed if seed != -1 else np.random.randint(1, 1001),
                   "num_inference_steps": steps},
        )
        # リンク取得
        png_link = output[0]
        # PNGファイルをリンクから取得
        response = requests.get(png_link)
        # イメージをメモリ上に開く
        img = Image.open(BytesIO(response.content))
        return img



default_steps = 25
examples = [
    # ["An astronaut riding a rainbow unicorn, cinematic, dramatic", ""],
    # ["A robot painted as graffiti on a brick wall. a sidewalk is in front of the wall, and grass is growing out of cracks in the concrete.", ""],
    # ["Panda mad scientist mixing sparkling chemicals, artstation.", ""],
    ["An astronaut riding a rainbow unicorn, cinematic, dramatic"],
    ["photo of a rhino dressed suit and tie sitting at a table in a bar with a bar stools, award winning photography."],
    ["a giant monster hybrid of dragon and spider, in dark dense foggy forest"],
    ["a man in a space suit playing a piano, highly detailed illustration, full color illustration, very detailed illustration"],
    ]

with gr.Blocks(title="Stable Diffusion XL (SDXL 1.0)") as demo:
    with gr.Row():
        with gr.Column(scale=1, min_width=600):
            gr_prompt = gr.Textbox(label='プロンプト')
            gr_password = gr.Textbox(label='パスワード')
            gr_generate_button = gr.Button("生成")
            with gr.Accordion("advanced settings", open=False):
                gr_steps = gr.Number(label='steps', value=default_steps)
                gr_seed = gr.Number(label='seed', value=-1)
        with gr.Column(scale=1, min_width=600):
            gr_image = gr.Image()
        # examples=examples
        gr_generate_button.click(generate, inputs=[gr_prompt, gr_password, gr_steps, gr_seed], outputs=[gr_image])
    with gr.Row():
        gr.Examples(examples, inputs=[gr_prompt])

demo.launch()