unwrap: Add setup script to build extensions.

skimage/exposure/setup.py

@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+
+import os
+
+from skimage._build import cython
+
+base_path = os.path.abspath(os.path.dirname(__file__))
+
+
+def configuration(parent_package='', top_path=None):
+    from numpy.distutils.misc_util import Configuration, get_numpy_include_dirs
+
+    config = Configuration('exposure', parent_package, top_path)
+    config.add_data_dir('tests')
+
+    cython(['_unwrap_2d.pyx'], working_path=base_path)
+    cython(['_unwrap_3d.pyx'], working_path=base_path)
+
+    unwrap_sources_2d = ['_unwrap_2d.c',
+                         'Miguel_2D_unwrapper_with_mask_and_wrap_around_option.c']
+    config.add_extension('_unwrap_2d', sources=unwrap_sources_2d,
+                         extra_compile_args=['-g'],
+                         include_dirs=[get_numpy_include_dirs()])
+    unwrap_sources_3d = ['_unwrap_3d.c',
+                         'Hussein_3D_unwrapper_with_mask_and_wrap_around_option.c']
+    config.add_extension('_unwrap_3d', sources=unwrap_sources_3d,
+                         extra_compile_args=['-g'],
+                         include_dirs=[get_numpy_include_dirs()])
+
+    return config
+
+if __name__ == '__main__':
+    from numpy.distutils.core import setup
+    setup(maintainer='scikit-image Developers',
+          author='scikit-image Developers',
+          maintainer_email='scikit-image@googlegroups.com',
+          description='Exposure corrections',
+          url='https://github.com/scikit-image/scikit-image',
+          license='SciPy License (BSD Style)',
+          **(configuration(top_path='').todict())
+          )

skimage/setup.py

@@ -10,6 +10,7 @@ def configuration(parent_package='', top_path=None):
     config.add_subpackage('color')
     config.add_subpackage('data')
     config.add_subpackage('draw')
+    config.add_subpackage('exposure')
     config.add_subpackage('feature')
     config.add_subpackage('filter')
     config.add_subpackage('graph')