Auto versioning by git tags.

people/__init__.py

@@ -1,4 +1,32 @@
-VERSION = (1, 0, 0)
+import subprocess
-__version__ = '.'.join(map(str, VERSION))
+
+
+try:
+    git_describe = subprocess.check_output(['git', 'describe', '--tags'], universal_newlines=True, stderr=subprocess.DEVNULL).strip()
+    # v0.2-69-g181f854
+    if git_describe[0] in "vr":
+        git_describe = git_describe[1:]
+    parts = git_describe.split("-")
+    VERSION = parts[0].split(".")[:3]
+    VERSION += [0] * (3 - len(VERSION))
+    git_version = parts[1:]
+
+except subprocess.CalledProcessError:
+    # Not yet tagged
+    VERSION = [0, 0, 0]
+    git_version = []
+    try:
+        git_version = (
+            subprocess.check_output(['git', 'rev-list', '--count', 'HEAD'], universal_newlines=True).strip(),
+            subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD'], universal_newlines=True).strip()
+        )
+    except subprocess.CalledProcessError:
+        git_version = []
+
+
+# 1.3.0-64-g1f9a30
+__version__ = '-'.join(map(str, ['.'.join(map(str, VERSION)), *git_version]))
+VERSION.extend(git_version)
+
 
 default_app_config = 'people.apps.PeopleConfig'