From 61abf1cdf622d8c9fb4f03eb6b06c4ddc1677362 Mon Sep 17 00:00:00 2001
From: Christopher Engelhard <ce@lcts.de>
Date: Jul 24 2020 16:41:16 +0000
Subject: single-source program version


---

diff --git a/setup.py b/setup.py
index 08f5db1..d3b363b 100644
--- a/setup.py
+++ b/setup.py
@@ -22,6 +22,20 @@ def readme():
     with open('README.md') as f:
         return f.read()
 
+# get __version__ from a file
+def read(rel_path):
+    here = os.path.abspath(os.path.dirname(__file__))
+    with codecs.open(os.path.join(here, rel_path), 'r') as fp:
+        return fp.read()
+
+def get_version(rel_path):
+    for line in read(rel_path).splitlines():
+        if line.startswith('__version__'):
+            delim = '"' if '"' in line else "'"
+            return line.split(delim)[1]
+    else:
+        raise RuntimeError("Unable to find version string.")
+
 # setuptools configuration
 setup(
     name='hellocopr',
@@ -32,7 +46,9 @@ setup(
     author='Christopher Engelhard',
     author_email='ce@lcts.de',
     license='GPLv3',
-    version='1.0.0',
+
+    # extract version from source
+    version=get_version("src/hellocopr/__init__.py"),
 
     # tell distutils packages are under src directory
     package_dir={
diff --git a/src/hellocopr/__init__.py b/src/hellocopr/__init__.py
index fd5e448..7b9010a 100644
--- a/src/hellocopr/__init__.py
+++ b/src/hellocopr/__init__.py
@@ -13,3 +13,5 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with hellocopr.  If not, see <http://www.gnu.org/licenses/>.
+
+__version__ = '1.0.0'
diff --git a/src/hellocopr/hellocopr.py b/src/hellocopr/hellocopr.py
index d2016c9..d2eddbb 100644
--- a/src/hellocopr/hellocopr.py
+++ b/src/hellocopr/hellocopr.py
@@ -16,10 +16,9 @@
 
 from colorama import init
 
+from hellocopr import __version__
 from hellocopr.colors import red, green, normal
 
-__version__ = '1.0.0'
-
 init()
 
 def hello():