`airflow.models.xcom`¶

Module Contents¶

airflow.models.xcom.log[source]¶

airflow.models.xcom.MAX_XCOM_SIZE = 49344[source]¶

airflow.models.xcom.XCOM_RETURN_KEY = return_value[source]¶

class airflow.models.xcom.BaseXCom[source]¶

Bases: airflow.models.base.Base, airflow.utils.log.logging_mixin.LoggingMixin

Base class for XCom objects.

__tablename__ = xcom[source]¶

id[source]¶

key[source]¶

value[source]¶

timestamp[source]¶

execution_date[source]¶

task_id[source]¶

dag_id[source]¶

__table_args__[source]¶: TODO: “pickling” has been deprecated and JSON is preferred. “pickling” will be removed in Airflow 2.0.

init_on_load(self)[source]¶

__repr__(self)[source]¶

classmethod set(cls, key, value, execution_date, task_id, dag_id, session=None)[source]¶

Store an XCom value.

Returns: None

classmethod get_one(cls, execution_date, key=None, task_id=None, dag_id=None, include_prior_dates=False, session=None)[source]¶

Retrieve an XCom value, optionally meeting certain criteria. TODO: “pickling” has been deprecated and JSON is preferred. “pickling” will be removed in Airflow 2.0.

Returns: XCom value

classmethod get_many(cls, execution_date, key=None, task_ids=None, dag_ids=None, include_prior_dates=False, limit=100, session=None)[source]¶: Retrieve an XCom value, optionally meeting certain criteria TODO: “pickling” has been deprecated and JSON is preferred. “pickling” will be removed in Airflow 2.0.

classmethod delete(cls, xcoms, session=None)[source]¶

static serialize_value(value)[source]¶

airflow.models.xcom.resolve_xcom_backend()[source]¶
Resolves custom XCom class

airflow.models.xcom.XCom[source]¶

airflow.models.xcom¶

Module Contents¶

`airflow.models.xcom`¶