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Posted to commits@airflow.apache.org by GitBox <gi...@apache.org> on 2019/10/25 17:19:16 UTC
[GitHub] [airflow] wjiangqc commented on issue #6389: [AIRFLOW-5663]: Switch
to real-time logging in PythonVirtualenvOperator.
wjiangqc commented on issue #6389: [AIRFLOW-5663]: Switch to real-time logging in PythonVirtualenvOperator.
URL: https://github.com/apache/airflow/pull/6389#issuecomment-546438501
@mik-laj Seems `print` by default buffers the output so you are not seeing it in real-time. If you use `flush=True` in `print` or switch to `logger.info()`, you will see the outputs in real time (the timestamps show that):
```
[2019-10-25 17:13:14,865] {python_operator.py:333} INFO - Executing cmd
['/tmp/venvowai0m98/bin/python', '/tmp/venvowai0m98/script.py', '/tmp/venvowai0m98/script.in', '/tmp/venvowai0m98/script.out', '/tmp/venvowai0m98/string_args.txt']
[2019-10-25 17:13:14,872] {python_operator.py:339} INFO - Got output
[2019-10-25 17:13:14,970] {python_operator.py:342} INFO - INFO:__main__:some red text
[2019-10-25 17:13:14,970] {python_operator.py:342} INFO - INFO:__main__:and with a green background
[2019-10-25 17:13:14,970] {python_operator.py:342} INFO - INFO:__main__:and in dim text
[2019-10-25 17:13:14,971] {python_operator.py:342} INFO - INFO:__main__:
[2019-10-25 17:13:14,972] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:13:24,981] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:13:34,989] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:13:44,959] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:13:54,966] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:14:04,977] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:14:14,953] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:14:24,963] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:14:34,973] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:14:44,950] {python_operator.py:342} INFO - INFO:__main__:Please wait...
[2019-10-25 17:14:54,966] {python_operator.py:342} INFO - INFO:__main__:Finished
[2019-10-25 17:14:55,009] {python_operator.py:143} INFO - Done. Returned value was: None
```
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