Python-сообщество

pi@raspberrypi:~ $ python timedate.py
Traceback (most recent call last):
  File "timedate.py", line 29, in <module>
    device.letter(n, ord(c))
AttributeError: 'max7219' object has no attribute 'letter'
pi@raspberrypi:~ $

 #!/usr/bin/env python
#	name = "timedate",
import max7219.led as led
import datetime
import time
from max7219.font import proportional, SINCLAIR_FONT, TINY_FONT, CP437_FONT 
from random import randrange 
device = led.matrix(cascaded=4) 
device.orientation(90)
device.brightness(1)
while(True):
	clock = time.strftime("%H%M")
	seconds = int(time.strftime("%S"))
	month = time.strftime(" %m")
	day = time.strftime(" %d")
	year = time.strftime("%Y")
	for n, c in enumerate(clock): 
		device.letter(n, ord(c))
	if seconds == 59 :
		for row in range(8):
			device.scroll_up()
			time.sleep(0.1)
		for n, c in enumerate(month): 
			device.letter(n, ord(c))
		time.sleep(1)
		for row in range(8):
			device.scroll_down()
			time.sleep(0.1)
		for n, c in enumerate(day): 
			device.letter(n, ord(c))
		time.sleep(1)
		for row in range(8):
			device.scroll_down()
			time.sleep(0.1)
		for n, c in enumerate(year): 
			device.letter(n, ord(c))
		time.sleep(1)
		for row in range(8):
			device.scroll_down()
			time.sleep(0.1)
		#device.show_message(time.strftime("%b %d %Y"))

 #!/usr/bin/env python 
# -*- coding: utf-8 -*- 
# Copyright (c) 2017-18 Richard Hull and contributors 
# See LICENSE.rst for details. 
import re
import sys
import datetime
import time
import argparse
from luma.led_matrix.device import max7219
from luma.core.interface.serial import spi, noop
from luma.core.render import canvas
from luma.core.virtual import viewport
from luma.core.legacy import text, show_message
from luma.core.legacy.font import proportional, CP437_FONT, TINY_FONT, SINCLAIR_FONT, LCD_FONT
serial = spi(port=0, device=0, gpio=noop())
device = max7219(serial, cascaded=4, block_orientation=-90)
while(True):
	clock = time.strftime("%H%M")
	seconds = int(time.strftime("%S"))
	month = time.strftime(" %m")
	day = time.strftime(" %d")
	year = time.strftime("%Y")
	for n, c in enumerate(clock): 
		device.letter(n, ord(c))
	if seconds == 59 :
		for row in range(8):
			device.scroll_up()
			time.sleep(0.1)
		for n, c in enumerate(month): 
			device.letter(n, ord(c))
		time.sleep(1)
		for row in range(8):
			device.scroll_down()
			time.sleep(0.1)
		for n, c in enumerate(day): 
			device.letter(n, ord(c))
		time.sleep(1)
		for row in range(8):
			device.scroll_down()
			time.sleep(0.1)
		for n, c in enumerate(year): 
			device.letter(n, ord(c))
		time.sleep(1)
		for row in range(8):
			device.scroll_down()
			time.sleep(0.1)
		device.show_message(time.strftime("%b %d %Y"))