本例中“otherkey”的用途是什么。我不明白为什么我们需要的不仅仅是源密钥

Question

我想复制文件从一个s3桶到另一个使用boto3。我想不出我应该用什么来代替“otherkey”。代码是否从复制源获取密钥并将其放入“otherbucket”

import boto3
s3 = boto3.resource('s3')
copy_source = {
    'Bucket': 'mybucket',
    'Key': 'mykey'
}
bucket = s3.Bucket('otherbucket')
obj = bucket.Object('otherkey')
obj.copy(copy_source)

Answer 1

我想出来了

import boto3
s3 = boto3.resource('s3')
copy_source = {
    'Bucket': 'bucket_from', #Name of bucket you want to copy FROM
    'Key': 'key' #file/object you want to copy
}
bucket = s3.Bucket('bucket_to') #name of bucket you want to copy TO
bucket.copy(copy_source, 'dump/new_file_name') # What you want the new copy to be named and where it should be placed
                                               #dump/ is the "subfolder", new_file_name is what the copied file is renamed to.