From 725bde29c777038cae83a3e5de2b4b1919a35143 Mon Sep 17 00:00:00 2001
From: Tom Christie <tom@tomchristie.com>
Date: Thu, 18 Dec 2014 10:40:40 +0000
Subject: [PATCH] Check for wheel install before allowing setup.py publish.

---
 setup.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/setup.py b/setup.py
index 2c56cd758..50bac0461 100755
--- a/setup.py
+++ b/setup.py
@@ -59,6 +59,9 @@ version = get_version('rest_framework')
 
 
 if sys.argv[-1] == 'publish':
+    if os.system("pip freeze | grep wheel"):
+        print("wheel not installed.\nUse `pip install wheel`.\nExiting.")
+        sys.exit()
     os.system("python setup.py sdist upload")
     os.system("python setup.py bdist_wheel upload")
     print("You probably want to also tag the version now:")