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#!/usr/bin/env python
# coding=utf-8
"""
A sample application for cmd2 demonstrating customized environment parameters
"""
from cmd2 import Cmd
class EnvironmentApp(Cmd):
""" Example cmd2 application. """
degrees_c = 22
sunny = False
def __init__(self):
self.settable.update({'degrees_c': 'Temperature in Celsius'})
self.settable.update({'sunny': 'Is it sunny outside?'})
super().__init__()
def do_sunbathe(self, arg):
if self.degrees_c < 20:
result = "It's {} C - are you a penguin?".format(self.degrees_c)
elif not self.sunny:
result = 'Too dim.'
else:
result = 'UV is bad for your skin.'
self.poutput(result)
def _onchange_degrees_c(self, old, new):
# if it's over 40C, it's gotta be sunny, right?
if new > 40:
self.sunny = True
if __name__ == '__main__':
c = EnvironmentApp()
c.cmdloop()
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