用Python实现命令行闹钟脚本实例_Python

用Python实现命令行闹钟脚本实例

2020-09-06 11:50Python脚本之家 Python

今天我们讲一下用Python写的一个小脚本。这是一个可以在命令行运行的闹钟脚本，对于日常大家工作很实用，有需要的朋友们可以参考借鉴。

前言：

这篇文章给大家介绍了怎样用python创建一个简单的报警，它可以运行在命令行终端，它需要分钟做为命令行参数，在这个分钟后会打印”wake-up”消息，并响铃报警，你可以用0分钟来测试，它会立即执行，用扬声器控制面板调整声音。

以下是脚本：

				?

									# alarm_clock.py

									# Description: A simple Python program to make the computer act 

									# like an alarm clock. Start it running from the command line 

									# with a command line argument specifying the duration in minutes 

									# after which to sound the alarm. It will sleep for that long, 

									# and then beep a few times. Use a duration of 0 to test the 

									# alarm immediiately, e.g. for checking that the volume is okay.

									# Author: Vasudev Ram - http://www.dancingbison.com

									import sys

									import string

									from time import sleep

									sa = sys.argv

									lsa = len(sys.argv)

									if lsa != 2:

									  print "Usage: [ python ] alarm_clock.py duration_in_minutes"

									  print "Example: [ python ] alarm_clock.py 10"

									  print "Use a value of 0 minutes for testing the alarm immediately."

									  print "Beeps a few times after the duration is over."

									  print "Press Ctrl-C to terminate the alarm clock early."

									  sys.exit(1)

									try:

									  minutes = int(sa[1])

									except ValueError:

									  print "Invalid numeric value (%s) for minutes" % sa[1]

									  print "Should be an integer >= 0"

									  sys.exit(1)

									if minutes < 0:

									  print "Invalid value for minutes, should be >= 0"

									  sys.exit(1)

									seconds = minutes * 60

									if minutes == 1:

									  unit_word = " minute"

									else:

									  unit_word = " minutes"

									try:

									  if minutes > 0:

									    print "Sleeping for " + str(minutes) + unit_word

									    sleep(seconds)

									  print "Wake up"

									  for i in range(5):

									    print chr(7),

									    sleep(1)

									except KeyboardInterrupt:

									  print "Interrupted by user"

									  sys.exit(1)

									# EOF