1 files changed, 25 insertions, 0 deletions
diff --git a/cmd2/constants.py b/cmd2/constants.py
index 9fd58b01..9e8e7780 100644
--- a/cmd2/constants.py
+++ b/cmd2/constants.py
@@ -16,3 +16,28 @@ MULTILINE_TERMINATOR = ';'
 LINE_FEED = '\n'
 
 DEFAULT_SHORTCUTS = {'?': 'help', '!': 'shell', '@': 'run_script', '@@': '_relative_run_script'}
+
+# Used as the command name placeholder in disabled command messages.
+COMMAND_NAME = "<COMMAND_NAME>"
+
+# All command functions start with this
+COMMAND_FUNC_PREFIX = 'do_'
+
+# All help functions start with this
+HELP_FUNC_PREFIX = 'help_'
+
+# All command completer functions start with this
+COMPLETER_FUNC_PREFIX = 'complete_'
+
+############################################################################################################
+# The following are optional attributes added to do_* command functions
+############################################################################################################
+
+# The custom help category a command belongs to
+CMD_ATTR_HELP_CATEGORY = 'help_category'
+
+# The argparse parser for the command
+CMD_ATTR_ARGPARSER = 'argparser'
+
+# Whether or not tokens are unquoted before sending to argparse
+CMD_ATTR_PRESERVE_QUOTES = 'preserve_quotes'