1 files changed, 21 insertions, 0 deletions
diff --git a/cmd2/plugin.py b/cmd2/plugin.py
new file mode 100644
index 00000000..47f4a514
--- /dev/null
+++ b/cmd2/plugin.py
@@ -0,0 +1,21 @@
+#
+# coding=utf-8
+"""Classes for the cmd2 plugin system"""
+import attr
+
+@attr.s
+class PostparsingData():
+    stop = attr.ib()
+    statement = attr.ib()
+
+@attr.s
+class PrecommandData():
+    statement = attr.ib()
+
+@attr.s
+class PostcommandData():
+    stop = attr.ib(default=False)
+
+@attr.s
+class CommandFinalizationData():
+    stop = attr.ib(default=False)