Setup.py: update trove classifiers, read version from code.

polymorphic/__version__.py

@@ -11,4 +11,4 @@ Release logic:
     6. git commit
     7. push to github
 """
-__version__ = "0.4.2.dev0"
+__version__ = "0.5a1"

setup.py

@@ -1,9 +1,32 @@
+#!/usr/bin/env python
 from setuptools import setup, find_packages
+from os import path
+import codecs
+import os
+import re
+import sys
+
+
+def read(*parts):
+    file_path = path.join(path.dirname(__file__), *parts)
+    return codecs.open(file_path, encoding='utf-8').read()
+
+
+def find_version(*parts):
+    version_file = read(*parts)
+    version_match = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]", version_file, re.M)
+    if version_match:
+        return str(version_match.group(1))
+    raise RuntimeError("Unable to find version string.")
+
 
 setup(
     name = 'django_polymorphic',
-    version ="0.4.2.dev0",  # You must ALSO bump polymorphic.__version__ !
+    version = find_version('polymorphic', '__version__.py'),
+    license = 'BSD',
+
     description = 'Seamless Polymorphic Inheritance for Django Models',
+    long_description = read('README.rst'),
     url = 'https://github.com/chrisglass/django_polymorphic',
 
     author = 'Bert Constantin',
@@ -23,13 +46,15 @@ setup(
     test_suite='runtests',
 
     classifiers=[
+        'Development Status :: 5 - Production/Stable',
         'Framework :: Django',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.6',
-        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3.3',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ]
 )