gistfile1.txt

from airflow import DAG
from airflow.operators import PythonOperator
from datetime import datetime, timedelta

default_args = {
    'owner': 'airflow',
    'depends_on_past': False,
    'start_date': datetime(2016, 5, 1),
    'email': ['alex'],
    'email_on_failure': True,
    'email_on_retry': False,
    'retries': 3,
    'retry_delay': timedelta(minutes=5),
    # 'queue': 'bash_queue',
    # 'pool': 'backfill',
    # 'priority_weight': 10,
    # 'end_date': datetime(2016, 1, 1),
}

dag = DAG(
    dag_id='python_testing_dag',
    default_args=default_args,
    schedule_interval='@daily'
)

def super_simple_python(**kwargs):
    return 'Please no failures.'


test = PythonOperator(
    task_id='testing',
    python_callable=super_simple_python,
    dag=dag
)