Made following changes to onecmd_plus_hooks()

1. Added SystemExit handling by warning the user it's occured and setting stop to True
2. KeyboardInterrupts won't be raised if stop is already set to True.

1 files changed, 4 insertions, 4 deletions

diff --git a/cmd2/exceptions.py b/cmd2/exceptions.py
index d0a922db..8a7fd81f 100644
--- a/cmd2/exceptions.py
+++ b/cmd2/exceptions.py
@@ -16,10 +16,10 @@ class SkipPostcommandHooks(Exception):
 
 class Cmd2ArgparseError(SkipPostcommandHooks):
     """
-    A ``SkipPostcommandHooks`` exception for when a command fails parsing its arguments.
-    This is raised by argparse decorators but can also be raised by command functions.
-    If a command function still needs to run post command hooks when parsing fails,
-    just return instead of raising an exception.
+    A ``SkipPostcommandHooks`` exception for when a command fails to parse its arguments.
+    Normally argparse raises a SystemExit exception in these cases. To avoid stopping the command
+    loop, catch the SystemExit and raise this instead. If you still need to run post command hooks
+    after parsing fails, just return instead of raising an exception.
     """
     pass