def get(cache_dir=CACHE_DIR):
current_wall = os.path.join(cache_dir, "<STR_LIT>")<EOL>if os.path.isfile(current_wall):<EOL><INDENT>return util.read_file(current_wall)[<NUM_LIT:0>]<EOL><DEDENT>return "<STR_LIT:None>"<EOL>
Get the current wallpaper.