Source code for

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations

from tempfile import NamedTemporaryFile
from typing import TYPE_CHECKING, Sequence

from airflow.models import BaseOperator
from import S3Hook
from airflow.providers.ftp.hooks.ftp import FTPHook

    from airflow.utils.context import Context

[docs]class S3ToFTPOperator(BaseOperator): """ This operator enables the transferring of files from S3 to a FTP server. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:S3ToFTPOperator` :param s3_bucket: The targeted s3 bucket. This is the S3 bucket from where the file is downloaded. :param s3_key: The targeted s3 key. This is the specified file path for downloading the file from S3. :param ftp_path: The ftp remote path. This is the specified file path for uploading file to the FTP server. :param aws_conn_id: reference to a specific AWS connection :param ftp_conn_id: The ftp connection id. The name or identifier for establishing a connection to the FTP server. """
[docs] template_fields: Sequence[str] = ("s3_bucket", "s3_key", "ftp_path")
def __init__( self, *, s3_bucket, s3_key, ftp_path, aws_conn_id="aws_default", ftp_conn_id="ftp_default", **kwargs, ) -> None: super().__init__(**kwargs) self.s3_bucket = s3_bucket self.s3_key = s3_key self.ftp_path = ftp_path self.aws_conn_id = aws_conn_id self.ftp_conn_id = ftp_conn_id
[docs] def execute(self, context: Context): s3_hook = S3Hook(self.aws_conn_id) ftp_hook = FTPHook(ftp_conn_id=self.ftp_conn_id) s3_obj = s3_hook.get_key(self.s3_key, self.s3_bucket) with NamedTemporaryFile() as local_tmp_file:"Downloading file from %s", self.s3_key) s3_obj.download_fileobj(local_tmp_file) ftp_hook.store_file(self.ftp_path,"File stored in %s", {self.ftp_path})

Was this entry helpful?