Store version in a separate module

.gitignore

@@ -1,5 +1,6 @@
 # Byte-compiled / optimized / DLL files
 __pycache__/
+musicbrainzngs.egg-info/
 *.py[cod]
 *$py.class
 

docs/conf.py

@@ -18,7 +18,7 @@
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 sys.path.insert(0, os.path.abspath('..'))
 import musicbrainzngs
-from musicbrainzngs.musicbrainz import _version
+from musicbrainzngs import _version
 
 # -- General configuration -----------------------------------------------------
 

musicbrainzngs/__init__.py

@@ -1,2 +1,3 @@
+from musicbrainzngs.version import _version
 from musicbrainzngs.musicbrainz import *
 from musicbrainzngs.caa import *

musicbrainzngs/musicbrainz.py

@@ -19,8 +19,8 @@
 from musicbrainzngs import mbxml
 from musicbrainzngs import util
 from musicbrainzngs import compat
+from musicbrainzngs import _version
 
-_version = "0.7.1"
 _log = logging.getLogger("musicbrainzngs")
 
 LUCENE_SPECIAL = r'([+\-&|!(){}\[\]\^"~*?:\\\/])'

musicbrainzngs/version.py

@@ -0,0 +1 @@
+_version = "0.7.1"

setup.py

@@ -1,15 +1,18 @@
 #!/usr/bin/env python
 
 from setuptools import setup
-
-from musicbrainzngs import musicbrainz
+import os
 
 with open("README.rst", "r") as fh:
     long_description = fh.read()
 
+# `_version` comes into namespace from here
+with open(os.path.join("musicbrainzngs", "version.py")) as version_file:
+    exec(version_file.read())
+
 setup(
     name="musicbrainzngs",
-    version=musicbrainz._version,
+    version=_version,
     description="Python bindings for the MusicBrainz NGS and"
     " the Cover Art Archive webservices",
     long_description=long_description,

test/test_caa.py

@@ -2,7 +2,7 @@
 
 from musicbrainzngs import caa
 from musicbrainzngs import compat
-from musicbrainzngs.musicbrainz import _version
+from musicbrainzngs import _version
 import musicbrainzngs
 from test import _common