Fix sdist for upcoming release

MANIFEST.in

@@ -1,4 +1,5 @@
 include *.md *.py *.txt CHANGE_LOG AUTHORS
 recursive-include docs *.ipynb *.txt *.py Makefile *.rst
+recursive-include deps *
 prune docs/_build
 prune docs/gh-pages

setup.py

@@ -2,6 +2,7 @@
 from __future__ import print_function, division, absolute_import
 import os
 import sys
+import shutil
 import subprocess
 from fnmatch import fnmatchcase
 from distutils.util import convert_path
@@ -24,12 +25,15 @@
 
 import versioneer
 
+#------------------------------------------------------------------------
+# Setup constants and arguments
+#------------------------------------------------------------------------
+
 versioneer.versionfile_source = 'numba/_version.py'
 versioneer.versionfile_build = 'numba/_version.py'
 versioneer.tag_prefix = ''
 versioneer.parentdir_prefix = 'numba-'
 
-
 cmdclass = versioneer.get_cmdclass()
 cmdclass['build_ext'] = build_ext
 
@@ -38,6 +42,23 @@
 }
 
 
+numba_root = os.path.dirname(os.path.abspath(__file__))
+deps_root = os.path.join(numba_root, 'deps')
+pyext_root = os.path.join(deps_root, 'pyextensibletype')
+pyext_dst = os.path.join(numba_root, "numba", "pyextensibletype")
+
+def get_include():
+    """Use numba.get_include() instead (make numba importable without
+    building it first)
+    """
+    return os.path.join(numba_root, "numba", "include")
+
+numba_include_dir = get_include()
+
+#------------------------------------------------------------------------
+# Package finding
+#------------------------------------------------------------------------
+
 def find_packages(where='.', exclude=()):
     out = []
     stack=[(convert_path(where), '')]
@@ -58,6 +79,9 @@ def find_packages(where='.', exclude=()):
         out = [item for item in out if not fnmatchcase(item, pat)]
     return out
 
+#------------------------------------------------------------------------
+# 2to3
+#------------------------------------------------------------------------
 
 def run_2to3():
     import lib2to3.refactor
@@ -75,28 +99,15 @@ def run_2to3():
     # Distribute options
     # setup_args["use_2to3"] = True
 
-if sys.version_info[0] >= 3:
-    run_2to3()
-
-numba_root = os.path.dirname(os.path.abspath(__file__))
-
-def get_include():
-    """Use numba.get_include() instead (make numba importable without
-    building it first)
-    """
-    return os.path.join(numba_root, "numba", "include")
-
-def register_pyextensibletype():
-    import shutil
-
-    root = os.path.dirname(os.path.abspath(__file__))
-    deps_root = os.path.join(root, 'deps')
-    pyext_root = os.path.join(deps_root, 'pyextensibletype')
-    pyext_dst = os.path.join(root, "numba", "pyextensibletype")
+#------------------------------------------------------------------------
+# pyextensibletype
+#------------------------------------------------------------------------
 
+def cleanup_pyextensibletype():
     if os.path.exists(pyext_dst):
         shutil.rmtree(pyext_dst)
 
+def register_pyextensibletype():
     with open(os.path.join(deps_root, '__init__.py'), 'w'):
         pass
     with open(os.path.join(pyext_root, '__init__.py'), 'w'):
@@ -109,12 +120,26 @@ def register_pyextensibletype():
 
     return exts
 
-# TODO: Finish and release pyextensibletype
-extensibletype_extensions = register_pyextensibletype()
+#------------------------------------------------------------------------
+# Generate code for build
+#------------------------------------------------------------------------
 
-numba_include_dir = get_include()
+build = set(sys.argv) & set(['build', 'build_ext', 'install'])
+cleanup_pyextensibletype()
+
+if build:
+    gen_type_conversion.run()
+    # TODO: Finish and release pyextensibletype
+    extensibletype_extensions = register_pyextensibletype()
+else:
+    extensibletype_extensions = []
+
+if sys.version_info[0] >= 3:
+    run_2to3()
 
-gen_type_conversion.run()
+#------------------------------------------------------------------------
+# setup
+#------------------------------------------------------------------------
 
 setup(
     name="numba",