python控制台显示时钟的示例

#!/usr/bin/env python
# coding: utf-8
#
#
# show time in console
#
import sys
import time

raws = '''
.--.| |`--`
 .
/| |
---
---.---``---
---.---|---`
. .`--| |
.---`--.---`
.---|--.`--`
.--.` | |
.--.|--|`--`
.--.`--|---`
'''.strip()
numbers = {}
def init():
 for num in range(10):
 numbers[str(num)] = []
 lineno = 0
 for line in raws.split('\n'):
 line = line.ljust(4)
 arr = []
 for char in line:
 arr.append(char) # != ' ')
 numbers[str(lineno/5)].append(arr)
 lineno += 1
 numbers[':'] = [[' ', ' ', ' ', ' '], [' ', ' ', '-', ' '], [' ', ' ', ' ', ' '], [' ', ' ', '-', ' '], [' ', ' ', ' ', ' ']]
 numbers[' '] = [[' ', ' ', ' ', ' '], [' ', ' ', ' ', ' '], [' ', ' ', ' ', ' '], [' ', ' ', ' ', ' '], [' ', ' ', ' ', ' ']]
def print_num(digtal):
 digtal = str(digtal)
 screen = []
 for i in range(5):
 screen.append([])
 for num in digtal:
 for i, linechar in enumerate(numbers[num]):
 for char in linechar:
 screen[i].append(char)
 screen[i].append(' ')
 for line in screen:
 print ''.join(line)
init()
def cls():
 sys.stdout.write('\033[2J\033[0;0H')
 sys.stdout.flush()
while True:
 t = time.strftime("%H:%M:%S")
 cls(); print_num(t)
 time.sleep(1)
 t = time.strftime("%H %M %S")
 cls(); print_num(t)
 time.sleep(1)

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