branch_day_of_week_operator

Example DAG demonstrating the usage of BranchDayOfWeekOperator.

Airflow Fundamentals


Providers:

Run this DAG

1. Install the Astronomer CLI:Skip if you already have the CLI

2. Initate the project in a local directory:

3. Copy and paste the code below into a file in the

dags
directory.

4. Run the DAG from the local directory where the project was initiated:

#
# 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 DAG demonstrating the usage of BranchDayOfWeekOperator.
"""
from airflow import DAG
from airflow.operators.dummy import DummyOperator
from airflow.operators.weekday import BranchDayOfWeekOperator
from airflow.utils.dates import days_ago
args = {
"owner": "airflow",
}
with DAG(
dag_id="example_weekday_branch_operator",
start_date=days_ago(2),
default_args=args,
tags=["example"],
schedule_interval="@daily",
) as dag:
# [START howto_operator_day_of_week_branch]
dummy_task_1 = DummyOperator(task_id='branch_true', dag=dag)
dummy_task_2 = DummyOperator(task_id='branch_false', dag=dag)
branch = BranchDayOfWeekOperator(
task_id="make_choice",
follow_task_ids_if_true="branch_true",
follow_task_ids_if_false="branch_false",
week_day="Monday",
)
# Run dummy_task_1 if branch executes on Monday
branch >> [dummy_task_1, dummy_task_2]
# [END howto_operator_day_of_week_branch]