From 991e719315bc4cfee51f0ef3b3250a386bad82cd Mon Sep 17 00:00:00 2001
From: Stephen Moore <github@14cmd.co.uk>
Date: Thu, 2 Apr 2026 15:31:22 +0100
Subject: [PATCH] Amended WorkerError custom exception to print all details.

Printing standard tracebacks now includes the original exception.
---
 src/calibre/utils/ipc/simple_worker.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/calibre/utils/ipc/simple_worker.py b/src/calibre/utils/ipc/simple_worker.py
index b1cb3ca66b..2c7ca8c28e 100644
--- a/src/calibre/utils/ipc/simple_worker.py
+++ b/src/calibre/utils/ipc/simple_worker.py
@@ -31,6 +31,10 @@ class WorkerError(Exception):
         self.orig_tb = orig_tb
         self.log_path = log_path
 
+        if orig_tb != '' :
+            self.add_note(str(orig_tb))
+        if log_path :
+            self.add_note(str(log_path))
 
 class ConnectedWorker(Thread):