Source code for airflow.contrib.example_dags.example_gcp_translate

# -*- 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.

"""
Example Airflow DAG that translates text in Google Cloud Translate
service in the Google Cloud Platform.

"""
import airflow
from airflow import models

from airflow.contrib.operators.gcp_translate_operator import CloudTranslateTextOperator
from airflow.operators.bash_operator import BashOperator

default_args = {'start_date': airflow.utils.dates.days_ago(1)}

with models.DAG(
    'example_gcp_translate', default_args=default_args, schedule_interval=None  # Override to match your needs
) as dag:
    # [START howto_operator_translate_text]
    product_set_create = CloudTranslateTextOperator(
        task_id='translate',
        values=['zażółć gęślą jaźń'],
        target_language='en',
        format_='text',
        source_language=None,
        model='base',
    )
    # [END howto_operator_translate_text]
    # [START howto_operator_translate_access]
    translation_access = BashOperator(
        task_id='access',
        bash_command="echo '{{ task_instance.xcom_pull(\"translate\")[0] }}'"
    )
    product_set_create >> translation_access
    # [END howto_operator_translate_access]