Share version with code, setup.py and docs

Author: stephane

docs/conf.py

@@ -11,7 +11,9 @@
 # All configuration values have a default; values that are commented out
 # serve to show the default.
 
-import sys, os
+import sys
+import os
+import pkg_resources
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -45,10 +47,17 @@
 # |version| and |release|, also used in various other places throughout the
 # built documents.
 #
+
+try:
+    release = pkg_resources.get_distribution('webstack-flask-jwt').version
+except pkg_resources.DistributionNotFound:
+    print('webstack-flask-jwt must be installed to build the documentation.')
+    print('Install from source using `pip install -e .` in a virtualenv.')
+    sys.exit(1)
+
 # The short X.Y version.
-version = '0.3.4'
-# The full version, including alpha/beta/rc tags.
-release = version
+version = '.'.join(release.split('.')[:2])
+
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

setup.py

@@ -15,19 +15,26 @@
   <https://github.com/mattupstate/flask-jwt/raw/develop#egg=Flask-JWT-dev>`_
 
 """
-
+import ast
 import sys
+import re
 
 from setuptools import setup, find_packages
 from setuptools.command.test import test as TestCommand
 
+_version_re = re.compile(r'__version__\s+=\s+(.*)')
+
+PROJECT = 'flask_jwt'
+
+with open(PROJECT + '/__init__.py', 'rb') as f:
+    version = str(ast.literal_eval(_version_re.search(
+        f.read().decode('utf-8')).group(1)))
 
 def get_requirements(suffix=''):
     with open('requirements%s.txt' % suffix) as f:
         rv = f.read().splitlines()
     return rv
 
-
 def get_long_description():
     with open('README.rst') as f:
         rv = f.read()
@@ -54,7 +61,7 @@ def run_tests(self):
 
 setup(
     name='webstack-flask-jwt',
-    version='0.3.4',
+    version=version,
     url='https://github.com/webstack/flask-jwt',
     license='MIT',
     author='Matt Wright',