automatic version stamping implemented (using git filters)

version-tool.py

@@ -0,0 +1,20 @@
+#! /bin/env python3
+# encoding: utf-8
+
+import re
+import sys
+
+REPLACEMENT = "_version = (%s, '%s') # OVER_VERSION_IDENTIFIER"
+MARKER = "_version = \((\d+), '([0-9a-f]{8})'\) # OVER_VERSION_IDENTIFIER"
+SUBMARKER = 'OVER_VERSION_IDENTIFIER'
+
+if __name__ == "__main__":
+	action = sys.argv[1]
+	data = (sys.argv[2], sys.argv[3][:8]) if action == "--set" else ('0', '00000000')
+	
+	for line in sys.stdin.readlines():
+		if SUBMARKER in line:
+			if re.match(MARKER, line):
+				line = re.sub(MARKER, REPLACEMENT %data, line)
+		
+		sys.stdout.write(line)