add global state

backend/src/song.py

@@ -1,12 +1,11 @@
 from dataclasses import dataclass
+from sqlite3 import Cursor
 
 from .connect import get_connection
 
 
-def init_db():
-    conn = get_connection()
-    cursor = conn.cursor()
-    cursor.execute("""
+def init_db(db: Cursor):
+    db.execute("""
         CREATE TABLE IF NOT EXISTS songs (
             mbid TEXT PRIMARY KEY,
             title TEXT NOT NULL,
@@ -16,8 +15,6 @@ def init_db():
             youtube_id TEXT NOT NULL
         );
     """)
-    conn.commit()
-    conn.close()
 
 
 @dataclass(frozen=True)