From c2dc7bc4925100d0baced0935c078316c06e053f Mon Sep 17 00:00:00 2001
From: Trey Long <trey@ktrl.com>
Date: Mon, 25 Jan 2016 19:42:29 -0500
Subject: [PATCH] Adding quick line to mangle keys

This is an ugly line of code and I'm sure it's not a best practice. But this solves my error condition.
---
 flask_cache/__init__.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/flask_cache/__init__.py b/flask_cache/__init__.py
index 85d90e3..0ecdbc0 100644
--- a/flask_cache/__init__.py
+++ b/flask_cache/__init__.py
@@ -347,6 +347,9 @@ def _memoize_version(self, f, args=None,
             self.cache.delete_many(fetch_keys[-1])
             return fname, None
 
+        # Mangle keys before using in the backend
+        fetch_keys = list(map(lambda k: hashlib.md5(k.encode()).hexdigest(), fetch_keys))
+
         version_data_list = list(self.cache.get_many(*fetch_keys))
         dirty = False