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ioatol2
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import gradio as gr
import numpy as np
import random
import multiprocessing
import subprocess
import sys
import time
import signal
import json
import os
import requests

from loguru import logger
from decouple import config

from pathlib import Path
from PIL import Image
import io

URL="http://127.0.0.1"
OUTPUT_DIR = config('OUTPUT_DIR')
INPUT_DIR = config('INPUT_DIR')
COMF_PATH = config('COMF_PATH')

import torch

import spaces

print(f"Is CUDA available: {torch.cuda.is_available()}")
print(f"CUDA device: {torch.cuda.get_device_name(torch.cuda.current_device())}")
print(torch.version.cuda)
device = torch.cuda.get_device_name(torch.cuda.current_device())
print(device)


def wait_for_image_with_prefix(folder, prefix):
    def is_file_ready(file_path):
        initial_size = os.path.getsize(file_path)
        time.sleep(1)
        return initial_size == os.path.getsize(file_path)


    files = os.listdir(folder)
    image_files = [f for f in files if f.lower().startswith(prefix.lower()) and
                   f.lower().endswith(('.png', '.jpg', '.jpeg'))]

    if image_files:
        # Sort by modification time to get the latest file
        image_files.sort(key=lambda x: os.path.getmtime(os.path.join(folder, x)), reverse=True)
        latest_image = os.path.join(folder, image_files[0])

        if is_file_ready(latest_image):
            # Wait a bit more to ensure the file is completely written
            time.sleep(3)
            return latest_image

    # If no matching file found, wait before checking again
    return None


def delete_image_file(file_path):
    try:
        if os.path.exists(file_path):
            os.remove(file_path)
            logger.debug(f"file {file_path} deleted")
        else:
            logger.debug(f"file {file_path} is not exist")
    except Exception as e:
        logger.debug(f"error {file_path}: {str(e)}")


def start_queue(prompt_workflow, port):
    p = {"prompt": prompt_workflow}
    data = json.dumps(p).encode('utf-8')
    requests.post(f"{URL}:{port}/prompt", data=data)


def check_server_ready(port):
    try:
        response = requests.get(f"{URL}:{port}/history/123", timeout=5)
        return response.status_code == 200
    except requests.RequestException:
        return False



@spaces.GPU(duration=240)
def generate_image(prompt, image, image2):
    prefix_filename = str(random.randint(0, 999999))
    prompt = prompt.replace('ComfyUI', prefix_filename)
    prompt = json.loads(prompt)

    image = Image.fromarray(image)
    image.save(INPUT_DIR + '/input.png', format='PNG')
    if image2 is not None:
        image2 = Image.fromarray(image2)
        image2.save(INPUT_DIR + '/input2.png', format='PNG')

    process = None
    new_port = str(random.randint(8123, 8200))

    try:
        # Запускаем скрипт как подпроцесс
        process = subprocess.Popen([sys.executable, COMF_PATH, "--listen", "127.0.0.1", "--port", new_port])
        logger.debug(f'Subprocess started with PID: {process.pid}')

        # Ожидание запуска сервера
        for _ in range(30):  # Максимум 20 секунд ожидания
            if check_server_ready(new_port):
                break
            time.sleep(1)
        else:
            raise TimeoutError("Server did not start in time")

        start_queue(prompt, new_port)

        # Ожидание нового изображения
        timeout = 240  # Максимальное время ожидания в секундах
        start_time = time.time()
        while time.time() - start_time < timeout:
            latest_image = wait_for_image_with_prefix(OUTPUT_DIR, prefix_filename)
            if latest_image:
                logger.debug(f"file is: {latest_image}")
                try:
                    return Image.open(latest_image)
                finally:
                    delete_image_file(latest_image)
                    delete_image_file(INPUT_DIR + '/input.png')
                    if image2 is not None:
                        delete_image_file(INPUT_DIR + '/input2.png')
            time.sleep(1)

        raise TimeoutError("New image was not generated in time")

    except Exception as e:
        logger.error(f"Error in generate_image: {e}")

    finally:        
        if process and process.poll() is None:
            process.terminate()
            logger.debug("process.terminate()")
            try:
                logger.debug("process.wait(timeout=5)")
                process.wait(timeout=5)
            except subprocess.TimeoutExpired:
                logger.debug("process.kill()")
                process.kill()



if __name__ == "__main__":
    demo = gr.Interface(fn=generate_image,
                        inputs=[
                            "text",
                            gr.Image(image_mode='RGBA', type="numpy"),
                            gr.Image(image_mode='RGBA', type="numpy")
                        ],
                        outputs=[
                            gr.Image(type="numpy", image_mode='RGBA')
                        ]
                        )
    demo.launch(debug=True)
    logger.debug('demo.launch()')

    logger.info("Основной скрипт завершил работу.")