1 files changed, 27 insertions, 0 deletions
diff --git a/cmd2/plugin.py b/cmd2/plugin.py
new file mode 100644
index 00000000..dc9ec297
--- /dev/null
+++ b/cmd2/plugin.py
@@ -0,0 +1,27 @@
+#
+# 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()
+    statement = attr.ib()
+
+
+@attr.s
+class CommandFinalizationData:
+    stop = attr.ib()
+    statement = attr.ib()