one source of version truth

docs/conf.py

@@ -59,9 +59,10 @@ author = u'Piotr Maślanka'
 # built documents.
 #
 # The short X.Y version.
-version = u'2.0'
+from satella import __version__
+version = __version__.split('.', 2)[:2].join('.')
 # The full version, including alpha/beta/rc tags.
-release = u'2.0.22rc2'
+release = __version__
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

satella/__init__.py

-
+# coding=UTF-8
+__version__ = '2.0.22rc2'

setup.cfg

 [metadata]
 name = satella
-version = 2.0.22rc2
 description-file = README.md
 author = Piotr Maślanka
 author_email = piotrm@smok.co

setup.py

 # coding=UTF-8
 from setuptools import setup, find_packages
+from satella import __version__
 
 setup(keywords=['ha', 'high availability', 'scalable', 'scalability', 'server'],
       packages=find_packages(include=['satella', 'satella.*']),
+      version=__version__,
       install_requires=[
           "six",
           "monotonic",