image_path_to_abspath.py

import json
import os
import shutil

# Specify the path to your JSON dataset file
json_file_path = '/path/to/GameQA_RL_5k.json'
# Specify the root directory for images. The script will convert this to an absolute path and prepend it to the image paths.
image_root_directory = '/path/to/GameQA-5K'


def main():
    """
    Main function to back up the JSON file, update image paths to absolute paths, and save the changes.
    """
    if not os.path.exists(json_file_path):
        print(f"Error: File not found -> {json_file_path}")
        return

    # 1. Back up the original file
    backup_path = json_file_path + '.bak'
    try:
        shutil.copy(json_file_path, backup_path)
        print(f"Original file has been backed up to: {backup_path}")
    except IOError as e:
        print(f"Error backing up file: {e}")
        return

    # Get the absolute path of the image root directory
    absolute_image_root = os.path.abspath(image_root_directory)

    # 2. Read and update the JSON data
    try:
        with open(json_file_path, 'r') as f:
            data = json.load(f)

        for sample in data:
            if 'images' in sample and isinstance(sample['images'], list):
                # Update image path(s)
                sample['images'] = [os.path.join(absolute_image_root, img_path) for img_path in sample['images']]

        # 3. Write the updated data back to the original file
        with open(json_file_path, 'w') as f:
            json.dump(data, f, indent=4, ensure_ascii=False)

        print(f"Processing complete. Updated file: {json_file_path}")

    except (IOError, json.JSONDecodeError) as e:
        print(f"Error processing JSON file: {e}")


if __name__ == '__main__':
    main()