From 8b931484766f8786cd4c18061779bc42a7fb9acc Mon Sep 17 00:00:00 2001
From: Damian Eads <eads@argentina.(none)>
Date: Tue, 27 Oct 2009 14:47:25 -0700
Subject: [PATCH] Based on scikits/image/opencv/setup.py

---
 scikits/image/morphology/setup.py | 90 +++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 scikits/image/morphology/setup.py

diff --git a/scikits/image/morphology/setup.py b/scikits/image/morphology/setup.py
new file mode 100644
index 00000000..fde41252
--- /dev/null
+++ b/scikits/image/morphology/setup.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python
+
+import os
+import shutil
+import hashlib
+
+base_path = os.path.dirname(__file__)
+
+def same_cython(f0, f1):
+    '''Compare two Cython generated C-files, based on their md5-sum.
+
+    Returns True if the files are identical, False if not.  The first
+    lines are skipped, due to the timestamp printed there.
+
+    '''
+    def md5sum(f):
+        m = hashlib.new('md5')
+        while True:
+            d = f.read(8096)
+            if not d:
+                break
+            m.update(d)
+        return m.hexdigest()
+
+    f0 = file(f0)
+    f0.readline()
+
+    f1 = file(f1)
+    f1.readline()
+
+    return md5sum(f0) == md5sum(f1)
+
+
+def configuration(parent_package='', top_path=None):
+    from numpy.distutils.misc_util import Configuration, get_numpy_include_dirs
+
+    config = Configuration('morphology', parent_package, top_path)
+
+    config.add_data_dir('tests')
+
+    # since distutils/cython has problems, we'll check to see if cython is
+    # installed and use that to rebuild the .c files, if not, we'll just build
+    # directly from the included .c files
+
+    cython_files = ['cmorph.pyx']
+
+    try:
+        import Cython
+        for pyxfile in [os.path.join(base_path, f) for f in cython_files]:
+            # make a backup of the good c files
+            c_file = pyxfile.rstrip('pyx') + 'c'
+            c_file_new = c_file + '.new'
+
+            # run cython compiler
+            os.system('cython -o %s %s' % (c_file_new, pyxfile))
+
+            # if the resulting file is small, cython compilation failed
+            size = os.path.getsize(c_file_new)
+            if size < 100:
+                print "Cython compilation of %s failed. Using " \
+                      "pre-generated file." % os.path.basename(pyxfile)
+                continue
+
+            # if the generated .c file differs from the one provided,
+            # use that one instead
+            if not same_cython(c_file_new, c_file):
+                shutil.copy(c_file_new, c_file)
+
+    except ImportError:
+        # if cython is not found, we just build from the included .c files
+        pass
+
+    for pyxfile in cython_files:
+        c_file = pyxfile.rstrip('pyx') + 'c'
+        config.add_extension(pyxfile.rstrip('.pyx'),
+                             sources=[c_file],
+                             include_dirs=[get_numpy_include_dirs()])
+
+    return config
+
+if __name__ == '__main__':
+    from numpy.distutils.core import setup
+    setup(maintainer = 'Scikits.Image Developers',
+          author = 'Damian Eads',
+          maintainer_email = 'scikits-image@googlegroups.com',
+          description = 'Morphology Wrapper',
+          url = 'http://stefanv.github.com/scikits.image/',
+          license = 'SciPy License (BSD Style)',
+          **(configuration(top_path='').todict())
+          )