ashb commented on a change in pull request #21798:
URL: https://github.com/apache/airflow/pull/21798#discussion_r814243513
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File path: airflow/models/operator.py
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@@ -16,11 +16,24 @@
# specific language governing permissions and limitations
# under the License.
+import datetime
from typing import Union
+from airflow.configuration import conf
from airflow.models.baseoperator import BaseOperator
from airflow.models.mappedoperator import MappedOperator
+from airflow.utils.trigger_rule import TriggerRule
+from airflow.utils.weight_rule import WeightRule
Operator = Union[BaseOperator, MappedOperator]
__all__ = ["Operator"]
+
+DEFAULT_OWNER = conf.get("operators", "default_owner")
+DEFAULT_POOL_SLOTS = 1
+DEFAULT_PRIORITY_WEIGHT = 1
+DEFAULT_QUEUE = conf.get("operators", "default_queue")
+DEFAULT_RETRIES = conf.getint("core", "default_task_retries", fallback=0)
+DEFAULT_RETRY_DELAY = datetime.timedelta(seconds=300)
+DEFAULT_WEIGHT_RULE = conf.get("core", "default_task_weight_rule",
fallback=WeightRule.DOWNSTREAM)
+DEFAULT_TRIGGER_RULE = TriggerRule.ALL_SUCCESS
Review comment:
These had to be moved because I think mypy got in to an import loop and
couldn't work out the type of these variables!
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