Guaqamole commented on code in PR #44320:
URL: https://github.com/apache/airflow/pull/44320#discussion_r1860936101


##########
providers/src/airflow/providers/amazon/aws/transfers/sftp_to_s3.py:
##########
@@ -85,6 +89,14 @@ def execute(self, context: Context) -> None:
 
         sftp_client = ssh_hook.get_conn().open_sftp()
 
+        try:
+            sftp_client.stat(self.sftp_path)
+        except FileNotFoundError:
+            if self.fail_on_file_not_exist:
+                raise
+            self.log.info("File %s not found on SFTP server. Skipping 
transfer.", self.sftp_path)
+            return

Review Comment:
   I also agree with your point. It would be better if paramiko had 
functionality to check file existence without raising errors, but using 
sftp_client.stat() was my best.



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