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[v3-0-test] Refactor example task to use context and logging for parameter access (#54450) #54463

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kaxil merged 1 commit into from
Aug 13, 2025
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[v3-0-test] Refactor example task to use context and logging for parameter access (#54450) #54463

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16 changes: 9 additions & 7 deletions airflow-core/docs/core-concepts/params.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -38,9 +38,8 @@ Use a dictionary that maps Param names to either a :class:`~airflow.sdk.definiti
.. code-block::
:emphasize-lines: 7-10

from airflow.sdk import DAG
from airflow.sdk import task
from airflow.sdk import Param
from airflow.sdk import DAG, task, Param, get_current_context
import logging

with DAG(
"the_dag",
Expand All @@ -51,15 +50,18 @@ Use a dictionary that maps Param names to either a :class:`~airflow.sdk.definiti
) as dag:

@task.python
def example_task(params: dict):
def example_task():
ctx = get_current_context()
logger = logging.getLogger("airflow.task")

# This will print the default value, 6:
dag.log.info(dag.params['my_int_param'])
logger.info(ctx["dag"].params["my_int_param"])

# This will print the manually-provided value, 42:
dag.log.info(params['my_int_param'])
logger.info(ctx["params"]["my_int_param"])

# This will print the default value, 5, since it wasn't provided manually:
dag.log.info(params['x'])
logger.info(ctx["params"]["x"])

example_task()

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