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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2021/01/26 11:39:49 UTC
[GitHub] [airflow] VBhojawala commented on pull request #13912: PythonOperator decorator @python_task
VBhojawala commented on pull request #13912:
URL: https://github.com/apache/airflow/pull/13912#issuecomment-767487249
@task decorator currently does not support task ordering and does not returns PythonOperator instance.
For example following dag will give
``` python
from airflow.models import DAG
import os
from airflow.operators.python import PythonOperator, task
from airflow.utils.dates import days_ago
default_args = {'start_date': days_ago(1)}
dag_name = os.path.splitext(os.path.basename(__file__))[0]
@task
def some_py_task(name):
""" some py task """
print(f'Inside Python Task name: {name}')
def some_other_task(name):
""" some other task"""
print(f'Inside {name} Task')
with DAG(dag_name, default_args=default_args) as dag:
t1 = some_other_task('task1')
t2 = some_other_task('task2')
t3 = PythonOperator(python_callable=some_other_task, task_id='task3', op_args=['task3'])
t1 >> t2 >> t3
```
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