old script to import files into a wallpaper directory

import.py

#!/usr/bin/env python3

import os
from os.path import splitext
import hashlib

pictypes = ".png", ".jpg", ".bmp", ".gif"

ls = os.listdir(".")

def lsmd5():
	ret = []

	for name in ls:
		_, ext = splitext(name)
		if ext in pictypes:
			with open(name, "rb") as file:
				m = hashlib.md5()
				m.update(file.read())
				ret.append((name, m.hexdigest() + ext))

	return ret

def massrename(list):
	for names in list:
		if names[1] not in ls:
			try:
				os.rename(names[0], names[1])
			except OSError:
				print(names[0] + ", " + names[1] + " rename failed")

if __name__ == "__main__":
	massrename(lsmd5())
	ls = os.listdir(".")
	for file in ls:
		_, ext = splitext(file)
		if ext in pictypes:
			try:
				os.rename(file, "../"+file)
			except OSError:
				print(file + " move failed")