使用python flask从gcp存储桶下载blob

from flask import Flask, send_file
from google.cloud import storage

app = Flask(__name__)

@app.route('/download/<bucket_name>/<blob_name>')
def download_blob(bucket_name, blob_name):
    # 创建GCP存储客户端
    storage_client = storage.Client()

    # 获取存储桶和Blob对象
    bucket = storage_client.get_bucket(bucket_name)
    blob = bucket.blob(blob_name)

    # 下载Blob到本地临时文件
    temp_file = '/tmp/' + blob_name
    blob.download_to_filename(temp_file)

    # 发送文件给客户端进行下载
    return send_file(temp_file, as_attachment=True)

if __name__ == '__main__':
    app.run()