From c583cbf9b25a8747b7eb2317c970acaecb9484f3 Mon Sep 17 00:00:00 2001
From: Zane Bitter <zbitter@redhat.com>
Date: Wed, 18 Jul 2018 16:33:41 -0400
Subject: [PATCH 11/21] Python3: Don't use cmp() function

The built-in cmp() function has been removed in Python 3, so don't try to
use it.

Change-Id: Ic62b7032ec6fd555974fc0d818327879d53a8ff2
---
 heat_cfntools/cfntools/cfn_helper.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/heat_cfntools/cfntools/cfn_helper.py b/heat_cfntools/cfntools/cfn_helper.py
index f2b9f90..e68d8fe 100644
--- a/heat_cfntools/cfntools/cfn_helper.py
+++ b/heat_cfntools/cfntools/cfn_helper.py
@@ -457,13 +457,17 @@ class PackagesHandler(object):
         p1_name = pkg1[0]
         p2_name = pkg2[0]
         if p1_name in order and p2_name in order:
-            return cmp(order.index(p1_name), order.index(p2_name))
+            i1 = order.index(p1_name)
+            i2 = order.index(p2_name)
+            return (i1 > i2) - (i1 < i2)
         elif p1_name in order:
             return -1
         elif p2_name in order:
             return 1
         else:
-            return cmp(p1_name.lower(), p2_name.lower())
+            n1 = p1_name.lower()
+            n2 = p2_name.lower()
+            return (n1 > n2) - (n1 < n2)
 
     def __init__(self, packages):
         self._packages = packages
-- 
2.20.1