From 3a359bc126fc91888466ef1b17261d934ad95d9c Mon Sep 17 00:00:00 2001
From: Kaalleen <36401965+kaalleen@users.noreply.github.com>
Date: Sun, 27 Apr 2025 09:29:44 +0200
Subject: prevent possbile RecursionError for relative lock stitches (#3695)

---
 lib/stitch_plan/lock_stitch.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'lib/stitch_plan/lock_stitch.py')

diff --git a/lib/stitch_plan/lock_stitch.py b/lib/stitch_plan/lock_stitch.py
index 98219154..706ec66d 100755
--- a/lib/stitch_plan/lock_stitch.py
+++ b/lib/stitch_plan/lock_stitch.py
@@ -98,7 +98,9 @@ class RelativeLock(LockStitchDefinition):
         return lock_stitches
 
     def get_direction_and_length(self, stitches, i=1):
-        if len(stitches) < i+1:
+        if len(stitches) < i+1 or i > 15:
+            # we exceeded the stitch length of the path or tried 15 times already
+            # we don't want to try any longer and return a default value
             return Stitch(1, 0), 0.5
 
         to_previous = stitches[i] - stitches[0]
-- 
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