Image conversion

import pygame, shutil, os

path1 = "Input"
path2 = "Output"

def transform (p, path1, path2):
    p, path1, path2 = os.path.abspath(p), os.path.abspath(path1), os.path.abspath(path2)
    return p.replace(path1, path2)


#count the files
dirfiles = 0

for directory, dirs, files in os.walk(path1):
    dirfiles += len(files)


currfiles = 0
pygame.init()
per, mod = int(input().strip()), int(input().strip())


for directory, dirs, files in os.walk(path1):

    #create directory structure in path2
    if not os.path.exists(transform(directory, path1, path2)) :
        os.makedirs (transform(directory, path1, path2))

    for file in files:
        #create file paths
        fromp = os.path.join(directory, file)
        top   = transform (fromp, path1, path2)


        #skip already done files, not image files and files belonging to another proccess
        if currfiles % per != mod or os.path.exists(top) or os.path.splitext(fromp)[1].lower() not in [".jpg", ".png"]:
            currfiles += 1
            continue


        #paths have Unicode names, so "pygame.image.load(fromp)" would not work
        img = pygame.image.load(open(fromp, "rb"), fromp)
        x, y = img.get_rect().bottomright
        zoom = max (600/x, 600/y)

        img_new = pygame.transform.smoothscale (img, (round (zoom*x), round(zoom*y)))

        #same here, Unicode paths
        pygame.image.save (img_new, "temp.jpg")
        shutil.copyfile("temp.jpg", top)

        currfiles +=1

        print ("\r{}/ {}".format (currfiles, dirfiles), end="")