image_namechange.py

import os

def image_namechange(images_directory):
    
    if not os.path.exists(images_directory):
        os.makedirs(images_directory)
        

    # List all files in the directory
    files = os.listdir(images_directory)

    # Filter only .webp files
    webp_files = [file for file in files if file.endswith(".webp")]

    # Sort the existing numeric filenames
    numeric_files = sorted([file for file in webp_files if file[:-5].isdigit()], key=lambda x: int(x[:-5]))

    # Rename the existing numeric filenames to maintain sequential ordering
    for index, file in enumerate(numeric_files, start=1):
        old_path = os.path.join(images_directory, file)
        new_name = f"{index}.webp"
        new_path = os.path.join(images_directory, new_name)
        os.rename(old_path, new_path)

    # Find the next available number for renaming non-numeric filenames
    next_number = len(numeric_files) + 1

    # Rename the remaining non-numeric filenames starting from 1
    for file in webp_files:
        if not file[:-5].isdigit():
            old_path = os.path.join(images_directory, file)
            new_name = f"{next_number}.webp"
            new_path = os.path.join(images_directory, new_name)
            os.rename(old_path, new_path)
            next_number += 1

# Example usage:
# images_directory = "channels/the_universe_decoded/images/"  # Replace with your images directory
# image_namechange(images_directory)