python - 如何通过 python 以编程方式从 Google Storage 下载文件？

Question

我目前正在尝试使用 Python API 从 Google Storage 下载一些文件。显然这可以通过使用 gsutil's cp 来完成，我确实能做到。

sudo gsutil cp gs://???/stats/installs/*.csv 。

但是，我发现的所有 Google Python API 示例均未涵盖此主题，我什至正在考虑 API 是否涵盖此功能。

Answer 1

此由 Python Example  |  Cloud Storage Documentation  |  Google Cloud Platform 涵盖(Google 中关于“Google Storage Python 包装器”的第 1 个):

To download an object: storage/api/crud_object.py (View on GitHub)

def get_object(bucket, filename, out_file):
    service = create_service()

    # Use get_media instead of get to get the actual contents of the object.
    # http://g.co/dv/resources/api-libraries/documentation/storage/v1/python/latest/storage_v1.objects.html#get_media
    req = service.objects().get_media(bucket=bucket, object=filename)

    downloader = http.MediaIoBaseDownload(out_file, req)

    done = False
    while done is False:
        status, done = downloader.next_chunk()
        print("Download {}%.".format(int(status.progress() * 100)))

    return out_file