以下功能非常适合将单个文件复制到Google云端存储。
#!/usr/bin/python3.5
import googleapiclient.discovery
from google.cloud import storage
def upload_blob(bucket_name, source_file_name, destination_blob_name, project):
storage_client = storage.Client(project=project)
bucket = storage_client.get_bucket(bucket_name)
blob = bucket.blob(destination_blob_name)
blob.upload_from_filename(source_file_name)
print('File {} uploaded to {}.'.format(
source_file_name,
destination_blob_name))
现在我没有给出文件名,而是尝试输入目录名upload_blob('mybucket','/data/inputdata/', 'myapp/inputdata/','myapp')
但后来我得到了这个错误:
属性错误:' str'对象没有属性'读'
在调用函数blob.upload_from_file()
复制目录时,是否需要提供任何其他参数?
答案 0 :(得分:5)
一次上传多个文件不是API的内置功能。您可以在循环中复制多个文件,也可以使用命令行实用程序,它可以复制整个目录。
答案 1 :(得分:4)
您可以使用以下代码来完成此操作:
import os
import glob
def copy_local_directory_to_gcs(local_path, bucket, gcs_path):
"""Recursively copy a directory of files to GCS.
local_path should be a directory and not have a trailing slash.
"""
assert os.path.isdir(local_path)
for local_file in glob.glob(local_path + '/**'):
if not os.path.isfile(local_file):
continue
remote_path = os.path.join(gcs_path, local_file[1 + len(local_path) :])
blob = bucket.blob(remote_path)
blob.upload_from_filename(local_file)
像这样使用它:
copy_local_directory_to_gcs('path/to/foo', bucket, 'remote/path/to/foo')