From e4ae8778c10b4891593460d3a0d75429ccbccf60 Mon Sep 17 00:00:00 2001
From: Carson Lam <carsonyylam@gmail.com>
Date: Sun, 23 Aug 2015 19:51:29 -0700
Subject: [PATCH] Specify conditional dependencies such that they're recognized
 by bdist_wheel.

On Windows, use kerberos-sspi because it's much easier to get installed.
On other platforms, use pykerberos instead of kerberos for Python 3 support.
---
 requirements.txt |  2 ++
 setup.py         | 17 +++++++----------
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/requirements.txt b/requirements.txt
index 549d170..fa8958b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,3 @@
 requests>=1.1.0
+kerberos-sspi >= 0.2; sys.platform == 'win32'
+pykerberos >= 1.1.1, < 2.0.0; sys.platform != 'win32'
diff --git a/setup.py b/setup.py
index 91472e1..753543c 100755
--- a/setup.py
+++ b/setup.py
@@ -1,18 +1,9 @@
 #!/usr/bin/env python
 # coding: utf-8
 import os
-import sys
 import re
 from setuptools import setup
 
-with open('requirements.txt') as requirements:
-    requires = [line.strip() for line in requirements if line.strip()]
-
-if sys.platform == 'win32':
-    requires.append('kerberos-sspi')
-else:
-    requires.append('kerberos==1.1.1')
-
 path = os.path.dirname(__file__)
 desc_fd = os.path.join(path, 'README.rst')
 hist_fd = os.path.join(path, 'HISTORY.rst')
@@ -56,7 +47,13 @@ setup(
     package_data={'': ['LICENSE', 'AUTHORS']},
     include_package_data=True,
     version=get_version(),
-    install_requires=requires,
+    install_requires=[
+        'requests>=1.1.0',
+    ],
+    extras_require={
+        ':sys_platform=="win32"': ['kerberos-sspi>=0.2'],
+        ':sys_platform!="win32"': ['pykerberos>=1.1.1,<2.0.0'],
+    },
     test_suite='test_requests_kerberos',
     tests_require=['mock'],
 )