should be it

external/duckdb/extension/icu/scripts/inline-data.py

@@ -0,0 +1,22 @@
+import sys
+
+contents = bytearray(sys.stdin.buffer.read())
+
+# encode the data into the stubdata file
+result_text = ",".join(map(str, contents))
+
+new_contents = """
+// This file is generated by scripts/inline-data.py, do not edit it manually //
+
+#include "unicode/utypes.h"
+#include "unicode/udata.h"
+#include "unicode/uversion.h"
+
+extern "C" U_EXPORT const unsigned char U_ICUDATA_ENTRY_POINT [] = {
+	%s
+};
+""" % (
+    result_text,
+)
+
+sys.stdout.write(new_contents)