app.py

import gradio as gr
import random
import json
import os

DATA_DIR = "/data"
IMAGES_DIR = "/images"
DATA_FILE = os.path.join(DATA_DIR, "saved_data.json")

def load_data():
    if os.path.exists(DATA_FILE):
        with open(DATA_FILE, 'r') as f:
            return json.load(f)
    return {
        "scene_tags": [], "position_tags": [], "outfit_tags": [],
        "camera_tags": [], "concept_tags": [], "lora_tags": [],
        "characters": {}
    }

def save_data(data):
    os.makedirs(DATA_DIR, exist_ok=True)
    with open(DATA_FILE, 'w') as f:
        json.dump(data, f)

def save_character_image(name, image):
    os.makedirs(IMAGES_DIR, exist_ok=True)
    image_path = os.path.join(IMAGES_DIR, f"{name}.png")
    image.save(image_path)
    return image_path

def generate_prompt(scene_tags, num_people, position_tags, selected_characters, outfit_tags, camera_tags, concept_tags, lora_tags, tag_counts, data):
    all_tags = {
        "scene": scene_tags.split(','),
        "position": position_tags.split(','),
        "outfit": outfit_tags.split(','),
        "camera": camera_tags.split(','),
        "concept": concept_tags.split(','),
    }
    
    all_tags = {k: [tag.strip() for tag in v if tag.strip()] for k, v in all_tags.items()}
    
    character_prompts = [
        f"{char_name}, " + ", ".join(random.sample(data["characters"][char_name]["traits"], 
                                    min(tag_counts["character"], len(data["characters"][char_name]["traits"]))))
        for char_name in selected_characters if char_name in data["characters"]
    ]
    
    selected_tags = [
        f"{tag}:{random.uniform(0.8, 1.2):.2f}" 
        for category, tags in all_tags.items() 
        for tag in random.sample(tags, min(tag_counts[category], len(tags)))
    ]
    
    if num_people.strip():
        selected_tags.append(f"{num_people} people:1.1")
    
    prompt_parts = character_prompts + selected_tags
    random.shuffle(prompt_parts)
    main_prompt = ", ".join(prompt_parts)
    
    lora_list = [lora.strip() for lora in lora_tags.split(',') if lora.strip()]
    lora_prompt = " ".join(f"<lora:{lora}:1>" for lora in lora_list)
    
    fixed_tags = "source_anime, score_9, score_8_up, score_7_up, masterpiece, best quality, very aesthetic, absurdres, anime artwork, anime style, vibrant, studio anime, highly detailed"
    
    return f"{main_prompt}, {fixed_tags} {lora_prompt}".strip()

def update_data(data, key, value):
    data[key] = list(set(data[key] + [v.strip() for v in value.split(',') if v.strip()]))
    save_data(data)
    return data

def create_character(name, traits, image, data):
    if name:
        data["characters"][name] = {
            "traits": [trait.strip() for trait in traits.split(',') if trait.strip()],
            "image": save_character_image(name, image) if image else None
        }
        save_data(data)
    return data, gr.update(choices=list(data["characters"].keys()))

def create_ui():
    data = load_data()

    with gr.Blocks() as demo:
        gr.Markdown("# Advanced Pony SDXL Prompt Generator with Character Creation")
        
        with gr.Tabs():
            with gr.TabItem("Prompt Generator"):
                with gr.Row():
                    with gr.Column():
                        scene_input = gr.Textbox(label="Scene Tags (comma-separated)", value=", ".join(data["scene_tags"]))
                        scene_count = gr.Slider(minimum=1, maximum=10, step=1, value=3, label="Number of scene tags")
                        
                        num_people_input = gr.Textbox(label="Number of People")
                        
                        position_input = gr.Textbox(label="Position Tags (comma-separated)", value=", ".join(data["position_tags"]))
                        position_count = gr.Slider(minimum=1, maximum=10, step=1, value=3, label="Number of position tags")
                        
                        character_select = gr.CheckboxGroup(label="Select Characters", choices=list(data["characters"].keys()))
                        character_count = gr.Slider(minimum=1, maximum=10, step=1, value=3, label="Number of character traits")
                        
                        outfit_input = gr.Textbox(label="Outfit Tags (comma-separated)", value=", ".join(data["outfit_tags"]))
                        outfit_count = gr.Slider(minimum=1, maximum=10, step=1, value=3, label="Number of outfit tags")
                        
                        camera_input = gr.Textbox(label="Camera View/Angle Tags (comma-separated)", value=", ".join(data["camera_tags"]))
                        camera_count = gr.Slider(minimum=1, maximum=10, step=1, value=3, label="Number of camera tags")
                        
                        concept_input = gr.Textbox(label="Concept Tags (comma-separated)", value=", ".join(data["concept_tags"]))
                        concept_count = gr.Slider(minimum=1, maximum=10, step=1, value=3, label="Number of concept tags")
                        
                        lora_input = gr.Textbox(label="LORA Tags (comma-separated)", value=", ".join(data["lora_tags"]))
                        lora_count = gr.Slider(minimum=1, maximum=10, step=1, value=3, label="Number of LORA tags")
                        
                        generate_button = gr.Button("Generate Prompt")
                    
                    with gr.Column():
                        output = gr.Textbox(label="Generated Prompt", lines=5)
                        
                        char_images = [char_data["image"] for char_data in data["characters"].values() if char_data["image"]]
                        gr.Gallery(value=char_images, label="Character Images", show_label=True, elem_id="char_gallery", columns=2, rows=2, height="auto")
            
            with gr.TabItem("Character Creation"):
                with gr.Row():
                    with gr.Column():
                        char_name_input = gr.Textbox(label="Character Name")
                        char_traits_input = gr.Textbox(label="Character Traits (comma-separated)")
                        char_image_input = gr.Image(label="Character Image", type="pil")
                        create_char_button = gr.Button("Create/Update Character")
                    
                    with gr.Column():
                        char_gallery = gr.Gallery(label="Existing Characters", show_label=True, elem_id="char_gallery", columns=2, rows=2, height="auto")

        def update_and_generate(*args):
            nonlocal data
            scene_tags, num_people, position_tags, selected_characters, outfit_tags, camera_tags, concept_tags, lora_tags, *tag_counts = args
            data = update_data(data, "scene_tags", scene_tags)
            data = update_data(data, "position_tags", position_tags)
            data = update_data(data, "outfit_tags", outfit_tags)
            data = update_data(data, "camera_tags", camera_tags)
            data = update_data(data, "concept_tags", concept_tags)
            data = update_data(data, "lora_tags", lora_tags)
            
            tag_count_dict = {
                "scene": tag_counts[0], "position": tag_counts[1], "character": tag_counts[2],
                "outfit": tag_counts[3], "camera": tag_counts[4], "concept": tag_counts[5], "lora": tag_counts[6]
            }
            
            return generate_prompt(scene_tags, num_people, position_tags, selected_characters, outfit_tags, camera_tags, concept_tags, lora_tags, tag_count_dict, data)

        generate_button.click(
            update_and_generate,
            inputs=[scene_input, num_people_input, position_input, character_select, outfit_input, camera_input, concept_input, lora_input,
                    scene_count, position_count, character_count, outfit_count, camera_count, concept_count, lora_count],
            outputs=[output]
        )

        def update_char_gallery():
            char_images = [char_data["image"] for char_data in data["characters"].values() if char_data["image"]]
            return gr.Gallery(value=char_images)

        create_char_button.click(
            create_character,
            inputs=[char_name_input, char_traits_input, char_image_input],
            outputs=[gr.State(data), character_select]
        ).then(
            update_char_gallery,
            outputs=[char_gallery]
        )

    return demo

if __name__ == "__main__":
    demo = create_ui()
    demo.launch()