Renames images in the current dir prepending their blurriness score to the file names

scorebluriness.py

import os
import cv2

def is_image_blurry(image):
    gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
    blur_score = cv2.Laplacian(gray, cv2.CV_64F).var()
    return blur_score

def rename_images_with_blur_score(folder_path):
    for filename in os.listdir(folder_path):
        file_path = os.path.join(folder_path, filename)
        
        if os.path.isfile(file_path):
            image = cv2.imread(file_path)
            
            if image is not None:
                blur_score = int(is_image_blurry(image))
                
                new_filename = f"{blur_score}_" + filename
                new_file_path = os.path.join(folder_path, new_filename)
                
                os.rename(file_path, new_file_path)
                
                print(f" {filename} -> {new_filename}")

folder_path = "."

rename_images_with_blur_score(folder_path)