flask sqlalchemy将.h5文件保存/加载到数据库

from flask import Flask
from flask_sqlalchemy import SQLAlchemy
import os

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = '数据库连接地址'
db = SQLAlchemy(app)

class File(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(100))
    data = db.Column(db.LargeBinary)

def save_file(file_path):
    with open(file_path, 'rb') as f:
        file_data = f.read()
    file_name = os.path.basename(file_path)
    new_file = File(name=file_name, data=file_data)
    db.session.add(new_file)
    db.session.commit()

def load_file(file_id):
    file = File.query.get(file_id)
    if file:
        file_path = os.path.join('保存文件的目录', file.name)
        with open(file_path, 'wb') as f:
            f.write(file.data)
        return file_path
    else:
        return None

save_file('/path/to/file.h5')
loaded_file_path = load_file(1)