annotate cmd2/example.py @ 106:2d3232693807

prompt-setting quirks
author catherine@dellzilla
date Fri, 24 Oct 2008 16:03:58 -0400
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1 '''A sample application for cmd2.'''
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2
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3 from cmd2 import Cmd, make_option, options, Cmd2TestCase
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4 import unittest, optparse, sys
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5
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6 class CmdLineApp(Cmd):
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7 multilineCommands = ['orate']
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8 Cmd.shortcuts.update({'&': 'speak'})
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9 maxrepeats = 3
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10 Cmd.settable.append('maxrepeats')
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11
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12 @options([make_option('-p', '--piglatin', action="store_true", help="atinLay"),
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13 make_option('-s', '--shout', action="store_true", help="N00B EMULATION MODE"),
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14 make_option('-r', '--repeat', type="int", help="output [n] times")
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15 ])
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16 def do_speak(self, arg, opts=None):
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17 """Repeats what you tell me to."""
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18 arg = ''.join(arg)
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19 if opts.piglatin:
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20 arg = '%s%say' % (arg[1:], arg[0])
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21 if opts.shout:
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22 arg = arg.upper()
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23 repetitions = opts.repeat or 1
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24 for i in range(min(repetitions, self.maxrepeats)):
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25 self.stdout.write(arg)
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26 self.stdout.write('\n')
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27 # self.stdout.write is better than "print", because Cmd can be
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28 # initialized with a non-standard output destination
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29
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30 do_say = do_speak # now "say" is a synonym for "speak"
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31 do_orate = do_speak # another synonym, but this one takes multi-line input
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32
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33 class TestMyAppCase(Cmd2TestCase):
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34 CmdApp = CmdLineApp
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35 transcriptFileName = 'exampleSession.txt'
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36
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37 parser = optparse.OptionParser()
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38 parser.add_option('-t', '--test', dest='unittests', action='store_true', default=False, help='Run unit test suite')
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39 (callopts, callargs) = parser.parse_args()
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40 if callopts.unittests:
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41 sys.argv = [sys.argv[0]] # the --test argument upsets unittest.main()
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42 unittest.main()
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43 else:
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44 app = CmdLineApp()
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45 app.cmdloop()