From af6c35ed6ba25dd4a1c0c51481652bc80bfac9d1 Mon Sep 17 00:00:00 2001
From: rr- <rr-@sakuya.pl>
Date: Thu, 2 Feb 2017 19:40:21 +0100
Subject: [PATCH] server/rest: rollback session on query exception

Kills complaints from sqlalchemy when an error happens during
insertion/update hook.
---
 server/szurubooru/rest/app.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/server/szurubooru/rest/app.py b/server/szurubooru/rest/app.py
index b4d23d4..391d297 100644
--- a/server/szurubooru/rest/app.py
+++ b/server/szurubooru/rest/app.py
@@ -93,6 +93,9 @@ def application(env, start_response):
                     hook(ctx)
                 try:
                     response = handler(ctx, match.groupdict())
+                except:
+                    ctx.session.rollback()
+                    raise
                 finally:
                     for hook in middleware.post_hooks:
                         hook(ctx)