[GitHub] XD-DENG commented on a change in pull request #3793: [AIRFLOW-2948] Arg check & better doc - SSHOperator & SFTPOperator

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

XD-DENG commented on a change in pull request #3793: [AIRFLOW-2948] Arg check & better doc - SSHOperator & SFTPOperator
URL: https://github.com/apache/incubator-airflow/pull/3793#discussion_r212487852
 
 

 ##########
 File path: airflow/contrib/operators/sftp_operator.py
 ##########
 @@ -77,13 +81,19 @@ def __init__(self,
     def execute(self, context):
         file_msg = None
         try:
-            if self.ssh_conn_id and not self.ssh_hook:
-                self.ssh_hook = SSHHook(ssh_conn_id=self.ssh_conn_id)
+            if self.ssh_conn_id:
+                if self.ssh_hook:
+                    self.log.info("ssh_conn_id is ignored when ssh_hook is provided.")
+                else:
+                    self.ssh_hook = SSHHook(ssh_conn_id=self.ssh_conn_id)
 
             if not self.ssh_hook:
 
 Review comment:
   This line is still necessary: what if neither `ssh_conn_id` nor `ssh_hook` is provided?

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