Adds __version__ attribute (#35)

* Refactors out bad class attribute

* Adds dynamic versioning

setup.py

@@ -46,7 +46,7 @@ extensions = [generate_extension('usgscam.genericframe', ['usgscam/genericframe.
 
 setup(
     name='usgscam',
-    version='0.1.0',
+    version='0.1.1',
     ext_modules=cythonize(extensions),
     description='Cython wrapper to the USGS MDIS Camera Model',
     author='Jay Laura',

tests/test_generic_frame.py

@@ -35,7 +35,6 @@ class TestCassiniNAC:
 
 
 
-
 class TestMdisWac:
     @pytest.mark.parametrize('image, ground',[
                               ((512, 512, 0), (-73589.5516508502, 562548.342040933, 2372508.44060771)),

usgscam/__init__.py

+
+from pkg_resources import get_distribution, DistributionNotFound
+import os.path
+
+try:
+    _dist = get_distribution('autocnet')
+    # Normalize case for Windows systems
+    dist_loc = os.path.normcase(_dist.location)
+    here = os.path.normcase(__file__)
+    if not here.startswith(os.path.join(dist_loc, 'autocnet')):
+        # not installed, but there is another version that *is*
+        raise DistributionNotFound
+except DistributionNotFound:
+    __version__ = 'Please install this project with setup.py'
+else:
+    __version__ = _dist.version
+
 import usgscam.genericframe
-import usgscam.orex
 import usgscam.genericls
-#from usgscam import mdis
-#from usgscam import orex
+import usgscam.orex