From 1db5d4def29ff8715cafaf1788e9951ced300c5e Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Thu, 30 May 2024 09:14:04 -0400
Subject: [PATCH] Add `Error.message: str`

Allows passing a custom error msg other then the traceback-str over the
wire. Make `.tb_str` optional (in the blank `''` sense) since it's
treated that way thus far in `._exceptions.pack_error()`.
---
 tractor/msg/types.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tractor/msg/types.py b/tractor/msg/types.py
index 08511ec..ad6d6fb 100644
--- a/tractor/msg/types.py
+++ b/tractor/msg/types.py
@@ -410,7 +410,13 @@ class Error(
     src_type_str: str
     boxed_type_str: str
     relay_path: list[tuple[str, str]]
-    tb_str: str
+
+    # normally either both are provided or just
+    # a message for certain special cases where
+    # we pack a message for a locally raised
+    # mte or ctxc.
+    message: str|None = None
+    tb_str: str = ''
 
     # TODO: only optionally include sub-type specfic fields?
     # -[ ] use UNSET or don't include them via `omit_defaults` (see