From 75b386917e3080ce3446a64b9ff806b1db6ee4d8 Mon Sep 17 00:00:00 2001
From: jacob1 <jfu614@gmail.com>
Date: Sat, 6 Aug 2016 12:38:59 -0400
Subject: [PATCH] Fix var.CASEMAPPING error during db upgrade

---
 src/utilities.py | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/utilities.py b/src/utilities.py
index 849fba8..8705bdf 100644
--- a/src/utilities.py
+++ b/src/utilities.py
@@ -182,10 +182,13 @@ def irc_lower(nick):
         "^": "~",
     }
 
-    if var.CASEMAPPING == "strict-rfc1459":
-        mapping.pop("^")
-    elif var.CASEMAPPING == "ascii":
-        mapping = {}
+    # var.CASEMAPPING may not be defined yet in some circumstances (like database upgrades)
+    # if so, default to rfc1459
+    if hasattr(var, "CASEMAPPING"):
+        if var.CASEMAPPING == "strict-rfc1459":
+            mapping.pop("^")
+        elif var.CASEMAPPING == "ascii":
+            mapping = {}
 
     return nick.lower().translate(str.maketrans(mapping))