app.py

import gradio as gr
from random import randint
from all_models import models

def load_fn(models):
    global models_load
    models_load = {}
    
    for model in models:
        if model not in models_load.keys():
            try:
                m = gr.load(f'models/{model}')
            except Exception as error:
                m = gr.Interface(lambda txt: None, ['text'], ['image'])
            models_load.update({model: m})

load_fn(models)

num_models = 32
default_models = models[:num_models]

def extend_choices(choices):
    return choices + (num_models - len(choices)) * ['NA']

def update_imgbox(choices, height, width):
    choices_plus = extend_choices(choices)
    return [gr.Image(None, label=m, visible=(m != 'NA'), height=height, width=width) for m in choices_plus]

def gen_fn(model_str, prompt, height, width, use_ratio):
    if model_str == 'NA':
        return None
    noise = str(randint(0, 99999999999))
    
    # Wenn 16:10 Verhältnis gewünscht, Höhe anpassen
    if use_ratio:
        height = int(width * 10 / 16)  # 16:10 Verhältnis
    
    # Größe in den Prompt einfügen
    size_prompt = f"{prompt}, {width}x{height} resolution {noise}"
    return models_load[model_str](size_prompt)

with gr.Blocks() as demo:
    with gr.Tab('Multiple models'): 
        with gr.Accordion('Model selection'):
            model_choice = gr.CheckboxGroup(models, label=f'Choose up to {num_models} different models', value=default_models, multiselect=True, max_choices=num_models, interactive=True, filterable=False)
            
        with gr.Row():
            img_width = gr.Slider(100, 1200, value=1024, step=2, label='Image Width (px)')
            img_height = gr.Slider(100, 1200, value=640, step=2, label='Image Height (px)')
            use_ratio = gr.Checkbox(label='Use 16:10 ratio', value=True)
        
        # Höhe aktualisieren wenn Ratio aktiviert
        img_width.change(
            lambda w, r: gr.update(value=int(w * 10 / 16)) if r else gr.update(),
            [img_width, use_ratio],
            img_height
        )
        use_ratio.change(
            lambda w, r: gr.update(value=int(w * 10 / 16)) if r else gr.update(),
            [img_width, use_ratio],
            img_height
        )

        txt_input = gr.Textbox(label='Prompt text')
        gen_button = gr.Button('Generate')
        stop_button = gr.Button('Stop', variant='secondary', interactive=False)
        gen_button.click(lambda s: gr.update(interactive=True), None, stop_button)
           
        with gr.Row():
            output = [gr.Image(label=m, height=640, width=1024) for m in default_models]  # Default 16:10
            current_models = [gr.Textbox(m, visible=False) for m in default_models]
            
            model_choice.change(update_imgbox, [model_choice, img_height, img_width], output)
            model_choice.change(extend_choices, model_choice, current_models)
            img_height.change(update_imgbox, [model_choice, img_height, img_width], output)
            img_width.change(update_imgbox, [model_choice, img_height, img_width], output)

        for m, o in zip(current_models, output):
            gen_event = gen_button.click(
                gen_fn, 
                [m, txt_input, img_height, img_width, use_ratio], 
                o, 
                queue=False
            )
                    
    with gr.Tab('Single model'):
        model_choice2 = gr.Dropdown(models, label='Choose model', value=models[0], filterable=False)
        txt_input2 = gr.Textbox(label='Prompt text')
        
        with gr.Row():
            img_width2 = gr.Slider(100, 1200, value=1024, step=2, label='Image Width (px)')
            img_height2 = gr.Slider(100, 1200, value=640, step=2, label='Image Height (px)')
            use_ratio2 = gr.Checkbox(label='Use 16:10 ratio', value=True)
        
        # Höhe aktualisieren wenn Ratio aktiviert
        img_width2.change(
            lambda w, r: gr.update(value=int(w * 10 / 16)) if r else gr.update(),
            [img_width2, use_ratio2],
            img_height2
        )
        use_ratio2.change(
            lambda w, r: gr.update(value=int(w * 10 / 16)) if r else gr.update(),
            [img_width2, use_ratio2],
            img_height2
        )
        
        max_images = 16
        num_images = gr.Slider(1, max_images, value=max_images, step=1, label='Number of images')
        
        gen_button2 = gr.Button('Generate')
        stop_button2 = gr.Button('Stop', variant='secondary', interactive=False)
        gen_button2.click(lambda s: gr.update(interactive=True), None, stop_button2)
        
        with gr.Row():
            output2 = [gr.Image(label='', height=640, width=1024) for _ in range(max_images)]

        for i, o in enumerate(output2):
            img_i = gr.Number(i, visible=False)
            num_images.change(lambda i, n: gr.update(visible=(i < n)), [img_i, num_images], o)
            img_height2.change(lambda h: gr.update(height=h), img_height2, o)
            img_width2.change(lambda w: gr.update(width=w), img_width2, o)
            gen_event2 = gen_button2.click(
                lambda i, n, m, t, h, w, r: gen_fn(m, t, h, w, r) if (i < n) else None, 
                [img_i, num_images, model_choice2, txt_input2, img_height2, img_width2, use_ratio2], 
                o
            )
            stop_button2.click(lambda s: gr.update(interactive=False), None, stop_button2, cancels=[gen_event2])

demo.queue(concurrency_count=36)                        
demo.launch()