Finish migration documentation for #719

1 files changed, 49 insertions, 0 deletions

diff --git a/examples/migrating.py b/examples/migrating.py
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+++ b/examples/migrating.py
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+#!/usr/bin/env python
+# coding=utf-8
+"""
+A sample application for cmd which can be used to show how to migrate to cmd2.
+"""
+import random
+
+import cmd
+
+
+class CmdLineApp(cmd.Cmd):
+    """ Example cmd application. """
+
+    MUMBLES = ['like', '...', 'um', 'er', 'hmmm', 'ahh']
+    MUMBLE_FIRST = ['so', 'like', 'well']
+    MUMBLE_LAST = ['right?']
+
+    def do_exit(self, line):
+        """Exit the application"""
+        return True
+
+    do_EOF = do_exit
+    do_quit = do_exit
+
+    def do_speak(self, line):
+        """Repeats what you tell me to."""
+        print(line, file=self.stdout)
+
+    do_say = do_speak
+
+    def do_mumble(self, line):
+        """Mumbles what you tell me to."""
+        words = line.split(' ')
+        output = []
+        if random.random() < .33:
+            output.append(random.choice(self.MUMBLE_FIRST))
+        for word in words:
+            if random.random() < .40:
+                output.append(random.choice(self.MUMBLES))
+            output.append(word)
+        if random.random() < .25:
+            output.append(random.choice(self.MUMBLE_LAST))
+        print(' '.join(output), file=self.stdout)
+
+
+if __name__ == '__main__':
+    import sys
+    c = CmdLineApp()
+    sys.exit(c.cmdloop())