Merge pull request #658 from axiak/add-cythonize-call

Adds cythonize() call to extensions in setup.py()

Author: lmcinnes

setup.py

@@ -8,6 +8,7 @@
     HAVE_CYTHON = True
 except ImportError as e:
     warnings.warn(e.args[0])
+    cythonize = lambda ext: ext
     from setuptools import setup, Extension
     from setuptools.command.build_ext import build_ext
     HAVE_CYTHON = False
@@ -42,6 +43,7 @@ def run(self):
                          sources=['hdbscan/dist_metrics.pyx'])
 
 
+
 def readme():
     with open('README.rst') as readme_file:
         return readme_file.read()
@@ -78,12 +80,13 @@ def requirements():
     'license': 'BSD',
     'packages': ['hdbscan', 'hdbscan.tests'],
     'install_requires': requirements(),
-    'ext_modules': [_hdbscan_tree,
+    'ext_modules': cythonize([
+                    _hdbscan_tree,
                     _hdbscan_linkage,
                     _hdbscan_boruvka,
                     _hdbscan_reachability,
                     _prediction_utils,
-                    dist_metrics],
+                    dist_metrics]),
     'cmdclass': {'build_ext': CustomBuildExtCommand},
     'test_suite': 'nose.collector',
     'tests_require': ['nose'],