From 85840a68ddc5b012a2de038155036ec1113f5b5f Mon Sep 17 00:00:00 2001
From: jesopo <github@lolnerd.net>
Date: Wed, 12 Dec 2018 11:33:29 +0000
Subject: [PATCH] Preserve logged exc_info across threads

---
 src/Logging.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Logging.py b/src/Logging.py
index 53275686..60c008a6 100644
--- a/src/Logging.py
+++ b/src/Logging.py
@@ -77,4 +77,8 @@ class Log(object):
     def critical(self, message: str, params: typing.List, **kwargs):
         self._log(message, params, logging.CRITICAL, kwargs)
     def _log(self, message: str, params: typing.List, level: int, kwargs: dict):
+        if kwargs.get("exc_info") == True:
+            # because we're doing the actual logging on another thread,
+            # we need to catch actual exception information here.
+            kwargs["exc_info"] = sys.exc_info()
         self._queue.put((message, params, level, kwargs))