From b1d97e073f91a1e65448dc4bc867218aae6df714 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 14 Jan 2019 23:59:08 +0100
Subject: [PATCH] Avoid overflow when adding shelf life delay to stock date end

issue7883
review50681002
---
 stock.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/stock.py b/stock.py
index 72b73c014d..23be292a07 100644
--- a/stock.py
+++ b/stock.py
@@ -243,7 +243,13 @@ class Move(metaclass=PoolMeta):
             config = Config(1)
             shelf_life_delay = config.get_multivalue('shelf_life_delay')
             if shelf_life_delay:
-                expiration_date = stock_date_end + shelf_life_delay
+                try:
+                    expiration_date = stock_date_end + shelf_life_delay
+                except OverflowError:
+                    if shelf_life_delay >= datetime.timedelta(0):
+                        expiration_date = datetime.date.max
+                    else:
+                        expiration_date = datetime.date.min
             else:
                 expiration_date = stock_date_end