Added the the ability to format help to the AutoCompleter to support sub-command specific help lookup.

1 files changed, 38 insertions, 0 deletions

diff --git a/examples/subcommands.py b/examples/subcommands.py
index 9d51fbee..02b06412 100755
--- a/examples/subcommands.py
+++ b/examples/subcommands.py
@@ -37,6 +37,33 @@ sport_arg = parser_sport.add_argument('sport', help='Enter name of a sport')
 setattr(sport_arg, 'arg_choices', sport_item_strs)
 
 
+# create the top-level parser for the alternate command
+# The alternate command doesn't provide its own help flag
+base2_parser = argparse.ArgumentParser(prog='alternate', add_help=False)
+base2_subparsers = base2_parser.add_subparsers(title='subcommands', help='subcommand help')
+
+# create the parser for the "foo" subcommand
+parser_foo2 = base2_subparsers.add_parser('foo', help='foo help')
+parser_foo2.add_argument('-x', type=int, default=1, help='integer')
+parser_foo2.add_argument('y', type=float, help='float')
+parser_foo2.add_argument('input_file', type=str, help='Input File')
+
+# create the parser for the "bar" subcommand
+parser_bar2 = base2_subparsers.add_parser('bar', help='bar help')
+
+bar2_subparsers = parser_bar2.add_subparsers(title='layer3', help='help for 3rd layer of commands')
+parser_bar2.add_argument('z', help='string')
+
+bar2_subparsers.add_parser('apple', help='apple help')
+bar2_subparsers.add_parser('artichoke', help='artichoke help')
+bar2_subparsers.add_parser('cranberries', help='cranberries help')
+
+# create the parser for the "sport" subcommand
+parser_sport2 = base2_subparsers.add_parser('sport', help='sport help')
+sport2_arg = parser_sport2.add_argument('sport', help='Enter name of a sport')
+setattr(sport2_arg, 'arg_choices', sport_item_strs)
+
+
 class SubcommandsExample(cmd2.Cmd):
     """
     Example cmd2 application where we a base command which has a couple subcommands
@@ -74,6 +101,17 @@ class SubcommandsExample(cmd2.Cmd):
             # No subcommand was provided, so call help
             self.do_help('base')
 
+    @cmd2.with_argparser(base2_parser)
+    def do_alternate(self, args):
+        """Alternate command help"""
+        func = getattr(args, 'func', None)
+        if func is not None:
+            # Call whatever subcommand function was selected
+            func(self, args)
+        else:
+            # No subcommand was provided, so call help
+            self.do_help('alternate')
+
 
 if __name__ == '__main__':
     app = SubcommandsExample()