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Example use of LevelDB operators.

from __future__ import annotations

import os
from datetime import datetime

import pytest

from airflow.exceptions import AirflowOptionalProviderFeatureException
from airflow.models.dag import DAG

    from import LevelDBOperator
except AirflowOptionalProviderFeatureException:
    pytest.skip("LevelDB not available", allow_module_level=True)

from airflow.utils.trigger_rule import TriggerRule

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]DAG_ID = "example_leveldb"
with DAG( DAG_ID, start_date=datetime(2021, 1, 1), schedule="@once", catchup=False, tags=["example"], ) as dag: # [START howto_operator_leveldb_get_key]
[docs] get_key_leveldb_task = LevelDBOperator(task_id="get_key_leveldb", command="get", key=b"key")
# [END howto_operator_leveldb_get_key] # [START howto_operator_leveldb_put_key] put_key_leveldb_task = LevelDBOperator( task_id="put_key_leveldb", command="put", key=b"another_key", value=b"another_value", trigger_rule=TriggerRule.ALL_DONE, ) # [END howto_operator_leveldb_put_key] get_key_leveldb_task >> put_key_leveldb_task from tests.system.utils.watcher import watcher # This test needs watcher in order to properly mark success/failure # when "tearDown" task with trigger rule is part of the DAG list(dag.tasks) >> watcher() from tests.system.utils import get_test_run # noqa: E402 # Needed to run the example DAG with pytest (see: tests/system/
[docs]test_run = get_test_run(dag)

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