From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Wed, 11 May 2022 10:17:16 +0000 (+0100)
Subject: stop possibility of infinite recursion in stages which
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bccd4af1ff4259cbe92f0a3b663ca67c09dc645e;p=nmutil.git

stop possibility of infinite recursion in stages which
set "stage = self"
---

diff --git a/src/nmutil/stageapi.py b/src/nmutil/stageapi.py
index 01fc568..a34dc7e 100644
--- a/src/nmutil/stageapi.py
+++ b/src/nmutil/stageapi.py
@@ -197,7 +197,8 @@ class StageHelper(Stage):
 
     def setup(self, m, i):
         if self.stage is not None and hasattr(self.stage, "setup"):
-            self.stage.setup(m, i)
+            if self.stage is not self: # stop infinite recursion
+                self.stage.setup(m, i)
 
     def _postprocess(self, i):  # XXX DISABLED
         return i  # RETURNS INPUT