screen

import mysql.connector
from contextlib import contextmanager

DB_CONFIG = {
"host": "localhost",
"user": "root",
"password": "",
"database": "School_Fees_DB"
}

@contextmanager
def get_db():
conn = mysql.connector.connect(**DB_CONFIG)
cursor = conn.cursor(dictionary=True)
try:
yield cursor
conn.commit()
except Exception as e:
conn.rollback()
raise e
finally:
cursor.close()
conn.close()

The issue contains only a code snippet and does not identify a repository file, test, failing behavior, or requested change. Clarify the intended outcome and provide reproduction steps before selecting an entry point or defining what done means.

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