Merge pull request #57 from liffiton/master

Fix for build missing wiringpi.py.

setup.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 
 from setuptools import setup, Extension
+from setuptools.command.build_py import build_py
 from glob import glob
 
 sources = glob('WiringPi/devLib/*.c')
@@ -13,6 +14,20 @@ except ValueError:
     # the file is already excluded in the source distribution
     pass
 
+
+# Fix so that build_ext runs before build_py
+# Without this, wiringpi.py is generated too late and doesn't
+# end up in the distribution when running setup.py bdist or bdist_wheel.
+# Based on:
+#  https://stackoverflow.com/a/29551581/7938656
+#  and
+#  https://blog.niteoweb.com/setuptools-run-custom-code-in-setup-py/
+class Build_ext_first(build_py):
+    def run(self):
+        self.run_command("build_ext")
+        return build_py.run(self)
+
+
 _wiringpi = Extension(
     '_wiringpi',
     include_dirs=['WiringPi/wiringPi','WiringPi/devLib'],
@@ -22,8 +37,9 @@ _wiringpi = Extension(
 
 setup(
     name = 'wiringpi',
-    version = '2.44.2',
+    version = '2.44.3',
     ext_modules = [ _wiringpi ],
     py_modules = ["wiringpi"],
     install_requires=[],
+    cmdclass = {'build_py' : Build_ext_first},
 )