Keep version in docs synced with project one

docs/conf.py

@@ -15,6 +15,23 @@
 
 import sys
 import os
+import codecs
+import re
+
+_docs_path = os.path.dirname(__file__)
+_version_path = os.path.abspath(os.path.join(_docs_path,
+                                             '..', 'aiohttp', '__init__.py'))
+with codecs.open(_version_path, 'r', 'latin1') as fp:
+    try:
+        _version_info = re.search(r"^__version__ = '"
+                                  r"(?P<major>\d+)"
+                                  r"\.(?P<minor>\d+)"
+                                  r"\.(?P<patch>\d+)"
+                                  r"(?P<tag>.*)?'$",
+                                  fp.read(), re.M).groupdict()
+    except IndexError:
+        raise RuntimeError('Unable to determine version.')
+
 
 # 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
@@ -58,9 +75,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '0.7'
+version = '{major}.{minor}'.format(**_version_info)
 # The full version, including alpha/beta/rc tags.
-release = '0.7.3'
+release = '{major}.{minor}.{patch}-{tag}'.format(**_version_info)
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.