From 67ab59106f0fdcad5f8cf67619a6fab32387825a Mon Sep 17 00:00:00 2001
From: Flame442 <34169552+Flame442@users.noreply.github.com>
Date: Fri, 28 Feb 2020 13:47:01 -0500
Subject: [PATCH] [Trivia] Better handling for session errors (#3606)

* Better handling for session errors

* Use `stop` instead of `end_game`, translation support
---
 redbot/cogs/trivia/session.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/redbot/cogs/trivia/session.py b/redbot/cogs/trivia/session.py
index d7ca7aac7..9ec42c7f8 100644
--- a/redbot/cogs/trivia/session.py
+++ b/redbot/cogs/trivia/session.py
@@ -98,8 +98,26 @@ class TriviaSession:
         session = cls(ctx, question_list, settings)
         loop = ctx.bot.loop
         session._task = loop.create_task(session.run())
+        session._task.add_done_callback(session._error_handler)
         return session
 
+    def _error_handler(self, fut):
+        """Catches errors in the session task."""
+        try:
+            fut.result()
+        except asyncio.CancelledError:
+            pass
+        except Exception as exc:
+            LOG.error("A trivia session has encountered an error.\n", exc_info=exc)
+            asyncio.create_task(
+                self.ctx.send(
+                    _(
+                        "An unexpected error occurred in the trivia session.\nCheck your console or logs for details."
+                    )
+                )
+            )
+            self.stop()
+
     async def run(self):
         """Run the trivia session.