diff options
Diffstat (limited to 'cmd2')
-rw-r--r-- | cmd2/cmd2.py | 5 | ||||
-rw-r--r-- | cmd2/exceptions.py | 15 |
2 files changed, 20 insertions, 0 deletions
diff --git a/cmd2/cmd2.py b/cmd2/cmd2.py index 0b198111..d01dfaa0 100644 --- a/cmd2/cmd2.py +++ b/cmd2/cmd2.py @@ -95,6 +95,7 @@ from .exceptions import ( CompletionError, EmbeddedConsoleExit, EmptyStatement, + PassThroughException, RedirectionError, SkipPostcommandHooks, ) @@ -2259,6 +2260,8 @@ class Cmd(cmd.Cmd): raise ex except SystemExit: stop = True + except PassThroughException as ex: + raise ex.wrapped_ex except Exception as ex: self.pexcept(ex) finally: @@ -2269,6 +2272,8 @@ class Cmd(cmd.Cmd): raise ex except SystemExit: stop = True + except PassThroughException as ex: + raise ex.wrapped_ex except Exception as ex: self.pexcept(ex) diff --git a/cmd2/exceptions.py b/cmd2/exceptions.py index 39b7e333..b45167d1 100644 --- a/cmd2/exceptions.py +++ b/cmd2/exceptions.py @@ -62,6 +62,21 @@ class CompletionError(Exception): super().__init__(*args) +class PassThroughException(Exception): + """ + Normally all unhandled exceptions raised during commands get printed to the user. + This class is used to wrap an exception that should be raised instead of printed. + """ + + def __init__(self, *args, wrapped_ex: BaseException): + """ + Initializer for PassThroughException + :param wrapped_ex: the exception that will be raised + """ + self.wrapped_ex = wrapped_ex + super().__init__(*args) + + ############################################################################################################ # The following exceptions are NOT part of the public API and are intended for internal use only. ############################################################################################################ |