Merge pull request #7 from bjlittle/alpha-version

Tidy setup.py and pin to first alpha version.

.travis.yml

@@ -21,6 +21,7 @@ install:
 
     # Now do the things we need to do to install it.
     - conda create -n test_env --file requirements.txt nose python=${PYTHON} ${EXTRA_DEPS} --yes --quiet
+    - conda list
     - source activate test_env
     - python setup.py build_ext install
     - mkdir not_the_source_root && cd not_the_source_root

setup.py

@@ -8,35 +8,57 @@
 from Cython.Build import cythonize
 
 
-extensions = [Extension('stratify._vinterp',
-                        ['stratify/_vinterp.pyx'],
+NAME = 'stratify'
+DIR = os.path.abspath(os.path.dirname(__file__))
+
+extensions = [Extension('{}._vinterp'.format(NAME),
+                        [os.path.join(NAME, '_vinterp.pyx')],
                         include_dirs=[np.get_include()])]
 
-setup(
-    name='stratify',
-    description='Vectorized interpolators that are especially useful for Nd vertical interpolation/stratification of atmospheric and oceanographic datasets',
-    version='0.3.0',
+
+def extract_version():
+    version = None
+    fname = os.path.join(DIR, NAME, '__init__.py')
+    with open(fname) as fd:
+        for line in fd:
+            if (line.startswith('__version__')):
+                _, version = line.split('=')
+                version = version.strip()[1:-1]  # Remove quotations
+                break
+    return version
+
+
+setup_args = dict(
+    name=NAME,
+    description=('Vectorized interpolators that are especially useful for '
+                 'Nd vertical interpolation/stratification of atmospheric '
+                 'and oceanographic datasets'),
+    version=extract_version(),
     ext_modules=cythonize(extensions),
     packages=find_packages(),
     classifiers=[
-            'Development Status :: 3 - Alpha',
-            ('License :: OSI Approved :: '
-             'License :: OSI Approved :: BSD License'),
-             'Operating System :: MacOS :: MacOS X',
-             'Operating System :: POSIX',
-             'Operating System :: POSIX :: AIX',
-             'Operating System :: POSIX :: Linux',
-             'Operating System :: Microsoft :: Windows',
-             'Programming Language :: Python',
-             'Programming Language :: Python :: 2',
-             'Programming Language :: Python :: 2.7',
-             'Programming Language :: Python :: 3',
-             'Programming Language :: Python :: 3.4',
-             'Programming Language :: Python :: 3.5',
-             'Topic :: Scientific/Engineering',
-             'Topic :: Scientific/Engineering :: GIS',
+        'Development Status :: 3 - Alpha',
+        ('License :: OSI Approved :: '
+         'License :: OSI Approved :: BSD License'),
+        'Operating System :: MacOS :: MacOS X',
+        'Operating System :: POSIX',
+        'Operating System :: POSIX :: AIX',
+        'Operating System :: POSIX :: Linux',
+        'Operating System :: Microsoft :: Windows',
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+        'Topic :: Scientific/Engineering',
+        'Topic :: Scientific/Engineering :: GIS',
     ],
-    extras_require={'test': ['nose'],
-                   },
+    extras_require={'test': ['nose']},
+    test_suite='{}.tests'.format(NAME),
     zip_safe=False,
 )
+
+
+if __name__ == '__main__':
+    setup(**setup_args)

stratify/__init__.py

@@ -6,3 +6,4 @@
                        EXTRAPOLATE_LINEAR, PyFuncExtrapolator, 
                        PyFuncInterpolator)
 
+__version__ = '0.1a0'