Check for Transparency #

This script recursively traverses a specified directory, identifying image files with extension .png. For each identified image, it checks if it contains transparency by examining its mode with PIL.

import os
from PIL import Image
import glob

# Increase the maximum allowed pixels, or set to None to disable the check
Image.MAX_IMAGE_PIXELS = 139211472

def check_transparency(image_path):
    """
    Check if the given image has transparency.

    Parameters:
    image_path (str): The file path to the image.

    Returns:
    bool: True if the image has transparency (mode 'RGBA'), False otherwise.
    """
    try:
        image = Image.open(image_path)
        if image.mode == 'RGBA':
            return True
    except Exception as e:
        print(f"Error processing {image_path}: {e}")
    return False

def main():
    """
    Main function that finds and prints out all images with transparency in a given directory.
    """
    directory = r'E:\training_dir'
    transparent_images = []

    # Using glob to find all .png files in the directory recursively
    for file_path in glob.glob(os.path.join(directory, '**', '*.png'), recursive=True):
        if check_transparency(file_path):
            transparent_images.append(file_path)

    # Printing the results
    if transparent_images:
        print("Images with transparency:")
        for img in transparent_images:
            print(img)
    else:
        print("No transparent images in your dataset!")

if __name__ == "__main__":
    main()