Begin converting precmd to passing and returning a data object

1 files changed, 5 insertions, 1 deletions

diff --git a/cmd2/cmd2.py b/cmd2/cmd2.py
index 63ad1ea2..69d6224e 100644
--- a/cmd2/cmd2.py
+++ b/cmd2/cmd2.py
@@ -45,6 +45,7 @@ import pyperclip
 
 from . import constants
 from . import utils
+from . import plugin
 from .parsing import StatementParser, Statement
 
 # Set up readline
@@ -1704,7 +1705,10 @@ class Cmd(cmd.Cmd):
 
                 # precommand hooks
                 for func in self._precmd_hooks:
-                    statement = func(statement)
+                    data = plugin.PrecommandData(statement)
+                    result = func(data)
+                    statement = result.statement
+                # call precmd() for compatibility with cmd.Cmd
                 statement = self.precmd(statement)
 
                 # go run the command function