pynet: Raise proper exceptions rather than invoking sys.exit.

source4/scripting/python/samba/netcmd/setpassword.py

@@ -22,7 +22,6 @@
 
 import samba.getopt as options
 from samba.netcmd import Command, CommandError, Option
-import sys
 from getpass import getpass
 from samba.auth import system_session
 from samba.samdb import SamDB
@@ -73,6 +72,5 @@ class cmd_setpassword(Command):
                               force_change_at_next_login=must_change_at_next_login,
                               username=username)
         except:
-            print('Failed to set password for user "%s"' % username)
-            sys.exit(1)
-
+            raise CommandError('Failed to set password for user "%s"' %
+                username)