[GitHub] [airflow] Fokko commented on a change in pull request #6577: [AIRFLOW-5908] Add download_file to S3 Hook

[GitBox <gi...@apache.org>]

Fokko commented on a change in pull request #6577: [AIRFLOW-5908] Add download_file to S3 Hook
URL: https://github.com/apache/airflow/pull/6577#discussion_r383956654
 
 

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 File path: airflow/providers/amazon/aws/hooks/s3.py
 ##########
 @@ -652,3 +654,30 @@ def delete_objects(self, bucket, keys):
             if "Errors" in response:
                 errors_keys = [x['Key'] for x in response.get("Errors", [])]
                 raise AirflowException("Errors when deleting: {}".format(errors_keys))
+
+    @provide_bucket_name
+    @unify_bucket_name_and_key
+    def download_file(self, key: str, bucket_name: Optional[str] = None, local_path: str = '/tmp') -> str:
 
 Review comment:
   Instead of hardcoding the `/tmp` dir. We could ask this using a Python function, which is system independent since it will ask the OS for a temp dir: https://docs.python.org/3/library/tempfile.html#tempfile.mkdtemp

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