[GitHub] [airflow] ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op`

2019-09-23 Thread GitBox
ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args 
when setting `op.dag = dag` or `dag >> op`
URL: https://github.com/apache/airflow/pull/5598#issuecomment-534040664
 
 
   @mik-laj I think we stalled working out whether to try and fix the PR, or 
just deprecate the behaviour.


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[GitHub] [airflow] ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op`

2019-08-15 Thread GitBox
ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args 
when setting `op.dag = dag` or `dag >> op`
URL: https://github.com/apache/airflow/pull/5598#issuecomment-521613826
 
 
   Yeah, this probably can be changed and tieded up now. We'll probably have to 
fix a lot of our own unit tests that create Operators without DAGs, but a 
single central helper/base test class would make that a lot less painful.


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[GitHub] [airflow] ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op`

2019-08-15 Thread GitBox
ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args 
when setting `op.dag = dag` or `dag >> op`
URL: https://github.com/apache/airflow/pull/5598#issuecomment-521609959
 
 
   Maybe with the context manager (`with DAG:`) that is doable now, but I 
suspect this feature existed to support "task" factories, sort of like this.
   
   ```
   dag = DAG()
   
   for task in generate_tasks():
   task.dag = dag
   ```
   
   


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[GitHub] [airflow] ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op`

2019-07-31 Thread GitBox
ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args 
when setting `op.dag = dag` or `dag >> op`
URL: https://github.com/apache/airflow/pull/5598#issuecomment-516807208
 
 
   Argh. This works, except for when the DAG is pickled. Grr. (Maybe we just 
delete dag pickling first?)


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[GitHub] [airflow] ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op`

2019-07-17 Thread GitBox
ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args 
when setting `op.dag = dag` or `dag >> op`
URL: https://github.com/apache/airflow/pull/5598#issuecomment-512348463
 
 
   @milton0825 I've thought of an edge-case with this approach:
   
   ```python
   op1 = BashOperator(task_id='test_op_1', bash_command='true')
   op1.bash_command = 'date'
   op1.dag = dag
   ```
   
   This would end up with the bash_command being re-set to `'true'`.


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[GitHub] [airflow] ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op`

2019-07-17 Thread GitBox
ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args 
when setting `op.dag = dag` or `dag >> op`
URL: https://github.com/apache/airflow/pull/5598#issuecomment-512328509
 
 
   I've got the scoping of the closure wrong. Given this case
   
   
   ```
   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)
   
 op1.dag = dag
   ```
   It is re-applying the args passed to the last invocation of the decorator, 
so op4's args :(


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[GitHub] [airflow] ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op`

2019-07-16 Thread GitBox
ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args 
when setting `op.dag = dag` or `dag >> op`
URL: https://github.com/apache/airflow/pull/5598#issuecomment-511789349
 
 
   Though it looks like this changes _quite a lot_ of behaviour that the tests 
were relying on.


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[GitHub] [airflow] ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args when setting `op.dag = dag` or `dag >> op`

2019-07-16 Thread GitBox
ashb commented on issue #5598: [AIRFLOW-733][AIRFLOW-883] Apply default_args 
when setting `op.dag = dag` or `dag >> op`
URL: https://github.com/apache/airflow/pull/5598#issuecomment-511765582
 
 
   @milton0825 As discussed.


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