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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2019/08/17 03:30:24 UTC

[GitHub] [airflow] coufon commented on a change in pull request #5803: [AIRFLOW-5200] Move GCP PubSub to core

coufon commented on a change in pull request #5803: [AIRFLOW-5200] Move GCP PubSub to core
URL: https://github.com/apache/airflow/pull/5803#discussion_r314932863
 
 

 ##########
 File path: airflow/gcp/hooks/pubsub.py
 ##########
 @@ -0,0 +1,300 @@
+# -*- coding: utf-8 -*-
+#
+# 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.
+"""
+This module contains a Google Pub/Sub Hook.
+"""
+
+from uuid import uuid4
+
+from googleapiclient.discovery import build
+from googleapiclient.errors import HttpError
+
+from airflow.contrib.hooks.gcp_api_base_hook import GoogleCloudBaseHook
+
+
+def _format_subscription(project, subscription):
+    return 'projects/{}/subscriptions/{}'.format(project, subscription)
+
+
+def _format_topic(project, topic):
+    return 'projects/{}/topics/{}'.format(project, topic)
+
+
+class PubSubException(Exception):
+    """
+    Alias for Exception.
+    """
+
+
+class PubSubHook(GoogleCloudBaseHook):
+    """
+    Hook for accessing Google Pub/Sub.
+
+    The GCP project against which actions are applied is determined by
+    the project embedded in the Connection referenced by gcp_conn_id.
+    """
+
+    def __init__(self, gcp_conn_id: str = 'google_cloud_default', delegate_to: str = None) -> None:
+        super().__init__(gcp_conn_id, delegate_to=delegate_to)
+        self.num_retries = self._get_field('num_retries', 5)  # type: int
+
+    def get_conn(self):
 
 Review comment:
   nit: there are type annotations in public methods, do we need type hints as well? 

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