From 3958c9eb9788416e990a012d3319e5157eff4916 Mon Sep 17 00:00:00 2001
From: Goffi <goffi@goffi.org>
Date: Sun, 15 Jan 2017 16:00:40 +0100
Subject: [PATCH] core (memory/cache): geFilePath now return None when uid is
 empty

---
 src/memory/cache.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/memory/cache.py b/src/memory/cache.py
index fc5f9b87..1f33ca3f 100644
--- a/src/memory/cache.py
+++ b/src/memory/cache.py
@@ -57,6 +57,9 @@ class Cache(object):
         @return (unicode, None): absolute path to cached file
             None if file is not in cache (or cache is invalid)
         """
+        uid = uid.strip()
+        if not uid:
+            return None
         cache_url = self.getPath(uid)
         if not os.path.exists(cache_url):
             return None