Merge pull request #906 from python-cmd2/parsing_exception

Parsing exception

1 files changed, 14 insertions, 0 deletions

diff --git a/cmd2/exceptions.py b/cmd2/exceptions.py
index 747e2368..15787177 100644
--- a/cmd2/exceptions.py
+++ b/cmd2/exceptions.py
@@ -2,6 +2,20 @@
 """Custom exceptions for cmd2.  These are NOT part of the public API and are intended for internal use only."""
 
 
+class Cmd2ArgparseError(Exception):
+    """
+    Custom exception class for when a command has an error parsing its arguments.
+    This can be raised by argparse decorators or the command functions themselves.
+    The main use of this exception is to tell cmd2 not to run Postcommand hooks.
+    """
+    pass
+
+
+class Cmd2ShlexError(Exception):
+    """Raised when shlex fails to parse a command line string in StatementParser"""
+    pass
+
+
 class EmbeddedConsoleExit(SystemExit):
     """Custom exception class for use with the py command."""
     pass