simplify version mechanism (fix #10) and call it v0.12

Author: dlenski

.gitignore

@@ -3,5 +3,4 @@ build/*
 dist
 dist/*
 *.pyc
-zxing/java
-zxing/version.py
+zxing/java/

setup.py

@@ -12,27 +12,12 @@
 
 ########################################
 
-# Based on this recipe, adapted for Python 3, Git 2.8.x, and PEP-440 version identifiers
-#   http://blogs.nopcode.org/brainstorm/2013/05/20/pragmatic-python-versioning-via-setuptools-and-git-tags/
-#   https://www.python.org/dev/peps/pep-0440/#version-scheme
-
-# Fetch version from git tags, and write to version.py.
-# Also, when git is not available (PyPi package), use stored version.py.
 version_py = path.join(path.dirname(__file__), 'zxing', 'version.py')
 
-try:
-    version_git = sp.check_output(["git", "describe", "--tags", "--dirty=_dirty"]).strip().decode('ascii')
-    final, dev, blob, dirty = re.match(r'v?((?:\d+\.)*\d+)(?:-(\d+)-(g[a-z0-9]+))?(_dirty)?', version_git).groups()
-    version_pep = final+('.dev%s+%s'%(dev,blob) if dev else '')+(dirty if dirty else '')
-except:
-    d = {}
-    with open(version_py, 'r') as fh:
-        exec(fh.read(), d)
-        version_pep = d['__version__']
-else:
-    with open(version_py, 'w') as fh:
-        print("# Do not edit this file, versioning is governed by git tags", file=fh)
-        print('__version__="%s"' % version_pep, file=fh)
+d = {}
+with open(version_py, 'r') as fh:
+    exec(fh.read(), d)
+    version_pep = d['__version__']
 
 ########################################
 

zxing/version.py

@@ -0,0 +1 @@
+__version__="0.12"