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#!/usr/bin/env python
# coding=utf-8
"""
A sample application for cmd2.
Thanks to cmd2's built-in transcript testing capability, it also serves as a
test suite for example.py when used with the transcript_regex.txt transcript.
Running `python example.py -t transcript_regex.txt` will run all the commands in
the transcript against example.py, verifying that the output produced matches
the transcript.
"""
import random
import cmd2
class CmdLineApp(cmd2.Cmd):
"""Example cmd2 application."""
# Setting this true makes it run a shell command if a cmd2/cmd command doesn't exist
# default_to_shell = True
MUMBLES = ['like', '...', 'um', 'er', 'hmmm', 'ahh']
MUMBLE_FIRST = ['so', 'like', 'well']
MUMBLE_LAST = ['right?']
def __init__(self):
shortcuts = cmd2.DEFAULT_SHORTCUTS
shortcuts.update({'&': 'speak'})
super().__init__(multiline_commands=['orate'], shortcuts=shortcuts)
# Make maxrepeats settable at runtime
self.maxrepeats = 3
self.add_settable(cmd2.Settable('maxrepeats', int, 'max repetitions for speak command', self))
speak_parser = cmd2.Cmd2ArgumentParser()
speak_parser.add_argument('-p', '--piglatin', action='store_true', help='atinLay')
speak_parser.add_argument('-s', '--shout', action='store_true', help='N00B EMULATION MODE')
speak_parser.add_argument('-r', '--repeat', type=int, help='output [n] times')
speak_parser.add_argument('words', nargs='+', help='words to say')
@cmd2.with_argparser(speak_parser)
def do_speak(self, args):
"""Repeats what you tell me to."""
words = []
for word in args.words:
if args.piglatin:
word = '%s%say' % (word[1:], word[0])
if args.shout:
word = word.upper()
words.append(word)
repetitions = args.repeat or 1
for _ in range(min(repetitions, self.maxrepeats)):
# .poutput handles newlines, and accommodates output redirection too
self.poutput(' '.join(words))
do_say = do_speak # now "say" is a synonym for "speak"
do_orate = do_speak # another synonym, but this one takes multi-line input
mumble_parser = cmd2.Cmd2ArgumentParser()
mumble_parser.add_argument('-r', '--repeat', type=int, help='how many times to repeat')
mumble_parser.add_argument('words', nargs='+', help='words to say')
@cmd2.with_argparser(mumble_parser)
def do_mumble(self, args):
"""Mumbles what you tell me to."""
repetitions = args.repeat or 1
for _ in range(min(repetitions, self.maxrepeats)):
output = []
if random.random() < 0.33:
output.append(random.choice(self.MUMBLE_FIRST))
for word in args.words:
if random.random() < 0.40:
output.append(random.choice(self.MUMBLES))
output.append(word)
if random.random() < 0.25:
output.append(random.choice(self.MUMBLE_LAST))
self.poutput(' '.join(output))
if __name__ == '__main__':
import sys
c = CmdLineApp()
sys.exit(c.cmdloop())
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