Added support for wheel package

Author: syrusakbary

.travis.yml

@@ -64,3 +64,4 @@ deploy:
     tags: true
   password:
     secure: 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
+  distributions: "sdist bdist_wheel"

graphene_django/__init__.py

@@ -5,5 +5,10 @@
     DjangoConnectionField,
 )
 
-__all__ = ['DjangoObjectType',
-           'DjangoConnectionField']
+__version__ = '2.0.dev2017073101'
+
+__all__ = [
+    '__version__',
+    'DjangoObjectType',
+    'DjangoConnectionField'
+]

setup.cfg

@@ -10,3 +10,6 @@ omit = */tests/*
 
 [isort]
 known_first_party=graphene,graphene_django
+
+[bdist_wheel]
+universal=1

setup.py

@@ -1,4 +1,13 @@
 from setuptools import find_packages, setup
+import sys
+import ast
+import re
+
+_version_re = re.compile(r'__version__\s+=\s+(.*)')
+
+with open('graphene_django/__init__.py', 'rb') as f:
+    version = str(ast.literal_eval(_version_re.search(
+        f.read().decode('utf-8')).group(1)))
 
 rest_framework_require = [
     'djangorestframework>=3.6.3',
@@ -17,7 +26,7 @@
 
 setup(
     name='graphene-django',
-    version='2.0.dev2017072601',
+    version=version,
 
     description='Graphene Django integration',
     long_description=open('README.rst').read(),