From 4aa073beb3877cc4c074b7a00fff0eddcf4e80e5 Mon Sep 17 00:00:00 2001
From: Emmanuel Viennet <emmanuel.viennet@gmail.com>
Date: Mon, 26 Jul 2021 16:18:16 +0300
Subject: [PATCH] Handle unexpected errors from pylibmc

---
 app/scodoc/sco_cache.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/app/scodoc/sco_cache.py b/app/scodoc/sco_cache.py
index 3a3fdec4a9..ecbf80a69a 100644
--- a/app/scodoc/sco_cache.py
+++ b/app/scodoc/sco_cache.py
@@ -55,7 +55,9 @@
 #
 
 import time
+import traceback
 
+import pylibmc
 from flask import g
 
 from app.scodoc import notesdb as ndb
@@ -80,7 +82,12 @@ class ScoDocCache:
     @classmethod
     def get(cls, oid):
         """Returns cached evaluation, or None"""
-        return CACHE.get(cls._get_key(oid))
+        try:
+            return CACHE.get(cls._get_key(oid))
+        except pylibmc.Error:
+            log("Warning: memcached error")
+            log(traceback.format_exc())
+            return None
 
     @classmethod
     def set(cls, oid, value):