fix bdist_egg and bdist_wheel commands

Author: fafhrd91

.gitignore

@@ -4,3 +4,6 @@
 /dist
 /build
 /*.egg-info
+Cargo.lock
+/example/extensions/target/
+/example/*.egg-info

CHANGES.rst

@@ -0,0 +1,13 @@
+CHANGES
+=======
+
+0.2 (2017-03-08)
+----------------
+
+- Fix bdist_egg and bdist_wheel commands
+
+
+0.1 (2017-03-08)
+----------------
+
+- Initial release

setup.py

@@ -1,6 +1,6 @@
 from setuptools import setup, find_packages
 
-version = '0.1'
+version = '0.2'
 
 
 setup(
@@ -11,7 +11,8 @@
     url="https://github.com/fafhrd91/setuptools-rust",
     keywords='distutils setuptools rust',
     description="Setuptools rust extension plugin",
-    long_description=open('README.rst').read(),
+    long_description='\n\n'.join(
+        (open('README.rst').read(), open('CHANGES.rst').read())),
     license='MIT',
     packages=['setuptools_rust'],
     zip_safe=True,

setuptools_rust/__init__.py

@@ -9,15 +9,21 @@
 from distutils.command.build import build as Build
 from distutils.command.build_ext import build_ext
 from distutils.command.install_lib import install_lib
-from setuptools import setup, Extension
-from setuptools.command import develop
+from setuptools import dist, setup, Extension
+from setuptools.command import develop, bdist_egg
 
 __all__ = ('RustExtension', 'build_rust')
 
 
 # allow to use 'rust_extensions' parameter for setup() call
 Distribution.rust_extensions = ()
 
+def has_ext_modules(self):
+    return (self.ext_modules and len(self.ext_modules) > 0 or
+            self.rust_extensions and len(self.rust_extensions) > 0)
+
+Distribution.has_ext_modules = has_ext_modules
+#dist.Distribution.has_ext_modules = has_ext_modules
 
 # add support for build_rust sub0command
 def has_rust_extensions(self):