本文整理汇总了Python中airflow.operators.dummy_operator.DummyOperator.dag方法的典型用法代码示例。如果您正苦于以下问题：Python DummyOperator.dag方法的具体用法？Python DummyOperator.dag怎么用？Python DummyOperator.dag使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类airflow.operators.dummy_operator.DummyOperator的用法示例。
在下文中一共展示了DummyOperator.dag方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_set_dag
# 需要导入模块: from airflow.operators.dummy_operator import DummyOperator [as 别名]
# 或者: from airflow.operators.dummy_operator.DummyOperator import dag [as 别名]
def test_set_dag(self):
"""
Test assigning Operators to Dags, including deferred assignment
"""
dag = DAG('dag', start_date=DEFAULT_DATE)
dag2 = DAG('dag2', start_date=DEFAULT_DATE)
op = DummyOperator(task_id='op_1', owner='test')
# no dag assigned
self.assertFalse(op.has_dag())
self.assertRaises(AirflowException, getattr, op, 'dag')
# no improper assignment
with self.assertRaises(TypeError):
op.dag = 1
op.dag = dag
# no reassignment
with self.assertRaises(AirflowException):
op.dag = dag2
# but assigning the same dag is ok
op.dag = dag
self.assertIs(op.dag, dag)
self.assertIn(op, dag.tasks)示例2: test_infer_dag
# 需要导入模块: from airflow.operators.dummy_operator import DummyOperator [as 别名]
# 或者: from airflow.operators.dummy_operator.DummyOperator import dag [as 别名]
def test_infer_dag(self):
dag = DAG('dag', start_date=DEFAULT_DATE)
dag2 = DAG('dag2', start_date=DEFAULT_DATE)
op1 = DummyOperator(task_id='test_op_1', owner='test')
op2 = DummyOperator(task_id='test_op_2', owner='test')
op3 = DummyOperator(task_id='test_op_3', owner='test', dag=dag)
op4 = DummyOperator(task_id='test_op_4', owner='test', dag=dag2)
# double check dags
self.assertEqual(
[i.has_dag() for i in [op1, op2, op3, op4]],
[False, False, True, True])
# can't combine operators with no dags
self.assertRaises(AirflowException, op1.set_downstream, op2)
# op2 should infer dag from op1
op1.dag = dag
op1.set_downstream(op2)
self.assertIs(op2.dag, dag)
# can't assign across multiple DAGs
self.assertRaises(AirflowException, op1.set_downstream, op4)
self.assertRaises(AirflowException, op1.set_downstream, [op3, op4])示例3: test_dag_as_context_manager
# 需要导入模块: from airflow.operators.dummy_operator import DummyOperator [as 别名]
# 或者: from airflow.operators.dummy_operator.DummyOperator import dag [as 别名]
def test_dag_as_context_manager(self):
"""
Test DAG as a context manager.
When used as a context manager, Operators are automatically added to
the DAG (unless they specify a different DAG)
"""
dag = DAG(
'dag',
start_date=DEFAULT_DATE,
default_args={'owner': 'owner1'})
dag2 = DAG(
'dag2',
start_date=DEFAULT_DATE,
default_args={'owner': 'owner2'})
with dag:
op1 = DummyOperator(task_id='op1')
op2 = DummyOperator(task_id='op2', dag=dag2)
self.assertIs(op1.dag, dag)
self.assertEqual(op1.owner, 'owner1')
self.assertIs(op2.dag, dag2)
self.assertEqual(op2.owner, 'owner2')
with dag2:
op3 = DummyOperator(task_id='op3')
self.assertIs(op3.dag, dag2)
self.assertEqual(op3.owner, 'owner2')
with dag:
with dag2:
op4 = DummyOperator(task_id='op4')
op5 = DummyOperator(task_id='op5')
self.assertIs(op4.dag, dag2)
self.assertIs(op5.dag, dag)
self.assertEqual(op4.owner, 'owner2')
self.assertEqual(op5.owner, 'owner1')
with DAG('creating_dag_in_cm', start_date=DEFAULT_DATE) as dag:
DummyOperator(task_id='op6')
self.assertEqual(dag.dag_id, 'creating_dag_in_cm')
self.assertEqual(dag.tasks[0].task_id, 'op6')
with dag:
with dag:
op7 = DummyOperator(task_id='op7')
op8 = DummyOperator(task_id='op8')
op9 = DummyOperator(task_id='op8')
op9.dag = dag2
self.assertEqual(op7.dag, dag)
self.assertEqual(op8.dag, dag)
self.assertEqual(op9.dag, dag2)