Mercurial > python-cmd2
view example/example.py @ 127:8def9dec155f 0.4.3
trap errors
author | catherine@dellzilla |
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date | Fri, 07 Nov 2008 10:31:38 -0500 |
parents | 7d215852f9a6 |
children | 07dff0ba981e |
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'''A sample application for cmd2.''' from cmd2 import Cmd, make_option, options, Cmd2TestCase import unittest, optparse, sys class CmdLineApp(Cmd): multilineCommands = ['orate'] Cmd.shortcuts.update({'&': 'speak'}) maxrepeats = 3 Cmd.settable.append('maxrepeats') @options([make_option('-p', '--piglatin', action="store_true", help="atinLay"), make_option('-s', '--shout', action="store_true", help="N00B EMULATION MODE"), make_option('-r', '--repeat', type="int", help="output [n] times") ]) def do_speak(self, arg, opts=None): """Repeats what you tell me to.""" arg = ''.join(arg) if opts.piglatin: arg = '%s%say' % (arg[1:], arg[0]) if opts.shout: arg = arg.upper() repetitions = opts.repeat or 1 for i in range(min(repetitions, self.maxrepeats)): self.stdout.write(arg) self.stdout.write('\n') # self.stdout.write is better than "print", because Cmd can be # initialized with a non-standard output destination do_say = do_speak # now "say" is a synonym for "speak" do_orate = do_speak # another synonym, but this one takes multi-line input class TestMyAppCase(Cmd2TestCase): CmdApp = CmdLineApp transcriptFileName = 'exampleSession.txt' parser = optparse.OptionParser() parser.add_option('-t', '--test', dest='unittests', action='store_true', default=False, help='Run unit test suite') (callopts, callargs) = parser.parse_args() if callopts.unittests: sys.argv = [sys.argv[0]] # the --test argument upsets unittest.main() unittest.main() else: app = CmdLineApp() app.cmdloop()