Add common utilities for build

common/seed_utils.py

@@ -0,0 +1,13 @@
+import json, sqlite3, pathlib
+
+def load_json(path):
+    with open(path, "r", encoding="utf-8") as f:
+        return json.load(f)
+
+
+def init_db(db_path, schema_sql_path):
+    db_path = pathlib.Path(db_path)
+    db_path.parent.mkdir(parents=True, exist_ok=True)
+    with sqlite3.connect(db_path) as con, open(schema_sql_path, "r", encoding="utf-8") as f:
+        con.executescript(f.read())
+    return str(db_path)