airflow wasb_delete_blob 源码
airflow wasb_delete_blob 代码
文件路径：/airflow/providers/microsoft/azure/operators/wasb_delete_blob.py
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from __future__ import annotations
from typing import TYPE_CHECKING, Any, Sequence
from airflow.models import BaseOperator
from airflow.providers.microsoft.azure.hooks.wasb import WasbHook
if TYPE_CHECKING:
from airflow.utils.context import Context
class WasbDeleteBlobOperator(BaseOperator):
"""
Deletes blob(s) on Azure Blob Storage.
:param container_name: Name of the container. (templated)
:param blob_name: Name of the blob. (templated)
:param wasb_conn_id: Reference to the :ref:`wasb connection <howto/connection:wasb>`.
:param check_options: Optional keyword arguments that
`WasbHook.check_for_blob()` takes.
:param is_prefix: If blob_name is a prefix, delete all files matching prefix.
:param ignore_if_missing: if True, then return success even if the
blob does not exist.
"""
template_fields: Sequence[str] = ('container_name', 'blob_name')
def __init__(
self,
*,
container_name: str,
blob_name: str,
wasb_conn_id: str = 'wasb_default',
check_options: Any = None,
is_prefix: bool = False,
ignore_if_missing: bool = False,
**kwargs,
) -> None:
super().__init__(**kwargs)
if check_options is None:
check_options = {}
self.wasb_conn_id = wasb_conn_id
self.container_name = container_name
self.blob_name = blob_name
self.check_options = check_options
self.is_prefix = is_prefix
self.ignore_if_missing = ignore_if_missing
def execute(self, context: Context) -> None:
self.log.info('Deleting blob: %s\n in wasb://%s', self.blob_name, self.container_name)
hook = WasbHook(wasb_conn_id=self.wasb_conn_id)
hook.delete_file(
self.container_name, self.blob_name, self.is_prefix, self.ignore_if_missing, **self.check_options
)
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