kanga333 commented on a change in pull request #9350:
URL: https://github.com/apache/airflow/pull/9350#discussion_r442568404
##########
File path: airflow/providers/amazon/aws/operators/s3_delete_objects.py
##########
@@ -56,22 +59,31 @@ class S3DeleteObjectsOperator(BaseOperator):
:type verify: bool or str
"""
- template_fields = ('keys', 'bucket')
+ template_fields = ('keys', 'bucket', 'prefix')
@apply_defaults
def __init__(
self,
bucket,
- keys,
+ keys=None,
+ prefix=None,
aws_conn_id='aws_default',
verify=None,
*args, **kwargs):
+
+ if not bool(keys) ^ bool(prefix):
+ raise ValueError("Either keys or prefix should be set.")
+
super().__init__(*args, **kwargs)
self.bucket = bucket
self.keys = keys
+ self.prefix = prefix
self.aws_conn_id = aws_conn_id
self.verify = verify
def execute(self, context):
s3_hook = S3Hook(aws_conn_id=self.aws_conn_id, verify=self.verify)
- s3_hook.delete_objects(bucket=self.bucket, keys=self.keys)
+
+ keys = self.keys or s3_hook.list_keys(bucket_name=self.bucket,
prefix=self.prefix)
+ if keys:
Review comment:
`s3_hook.list_keys` may return None.
If keys is none, it does nothing.
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