adds build script for wheels and source distribution

Author: bastibe

build_wheels.py

@@ -0,0 +1,23 @@
+import os
+import shutil
+
+architectures = dict(darwin=['64bit'],
+                     win32=['32bit', '64bit'],
+                     noplatform='noarch')
+
+def cleanup():
+    shutil.rmtree('build', ignore_errors=True)
+    try:
+        os.remove('_soundfile.py')
+    except:
+        pass
+
+for platform, archs in architectures.items():
+    os.environ['PYSOUNDFILE_PLATFORM'] = platform
+    for arch in archs:
+        os.environ['PYSOUNDFILE_ARCHITECTURE'] = arch
+        cleanup()
+        os.system('python setup.py bdist_wheel')
+
+cleanup()
+os.system('python setup.py sdist')