'''A sample application for cmd2.''' from cmd2 import Cmd, make_option, options import unittest, optparse, sys class CmdLineApp(Cmd): multilineCommands = ['orate'] Cmd.shortcuts.update({'&': 'speak'}) maxrepeats = 3 redirector = '->' Cmd.settable.append('maxrepeats Max number of `--repeat`s allowed') @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") ], arg_desc = '(text to say)') def do_speak(self, arg, opts=None): """Repeats what you tell me to.""" arg = ''.join(arg) if opts.piglatin: arg = '%s%say' % (arg[1:].rstrip(), 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 c = CmdLineApp() c.cmdloop()