# Copyright 2013 Google Inc. All Rights Reserved.
# 
# Licensed 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.

"""Pipeline stages."""


from src.clients import gcs
from src.pipelines import pipeline


class GcsDeleter(pipeline.Pipeline):
  """Pipeline stage that deletes objects from GCS."""

  @staticmethod
  def GetHelp():
    return """Deletes one or more objects from Google Cloud Storage.

* Any 'sinks' for this stage config will be ignored.
"""

  def run(self, config):
    """Runs the stage.

    Args:
      config: Specifies the source object(s).
    """
    storage = gcs.Gcs()
    for s in config['sources']:
      storage.DeleteObject(*gcs.Gcs.UrlToBucketAndName(s))
