Initial commit

folkugat_web/dal/sql/_connection.py

@@ -0,0 +1,23 @@
+import sqlite3
+from contextlib import contextmanager
+from typing import Iterator, Optional
+
+from folkugat_web.config.db import DB_FILE
+
+Connection = sqlite3.Connection
+
+
+@contextmanager
+def get_connection(con: Optional[Connection] = None) -> Iterator[Connection]:
+    if con:
+        yield con
+    else:
+        con = sqlite3.connect(DB_FILE)
+        try:
+            yield con
+            con.commit()
+        except Exception:
+            con.rollback()
+            raise
+        finally:
+            con.close()