fabfile.py 文件源码

def check_bucket(bucket):
    s3 = boto3.client('s3', region_name=AWS_DEFAULT_REGION)

    print('Checking bucket: ' + bucket)
    try:
        s3.head_bucket(Bucket=bucket)
    except ClientError:
        print('Creating bucket: ' + bucket)
        args = {
            'Bucket': bucket
        }
        if AWS_DEFAULT_REGION != 'us-east-1':
            args['CreateBucketConfiguration'] = {
                'LocationConstraint': AWS_DEFAULT_REGION
            }
        s3.create_bucket(**args)
        waiter = s3.get_waiter('bucket_exists')
        waiter.wait(Bucket=bucket)