airflow/serialization/enums.py

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"""Enums for DAG serialization."""
from __future__ import annotations

from enum import Enum, unique


# Fields of an encoded object in serialization.
@unique
class Encoding(str, Enum):
    """Enum of encoding constants."""

    TYPE = "__type"
    VAR = "__var"


# Supported types for encoding. primitives and list are not encoded.
@unique
class DagAttributeTypes(str, Enum):
    """Enum of supported attribute types of DAG."""

    DAG = "dag"
    OP = "operator"
    DATETIME = "datetime"
    TIMEDELTA = "timedelta"
    TIMEZONE = "timezone"
    RELATIVEDELTA = "relativedelta"
    DICT = "dict"
    SET = "set"
    TUPLE = "tuple"
    POD = "k8s.V1Pod"
    TASK_GROUP = "taskgroup"
    EDGE_INFO = "edgeinfo"
    PARAM = "param"
    XCOM_REF = "xcomref"
    DATASET = "dataset"
    SIMPLE_TASK_INSTANCE = "simple_task_instance"
    BASE_JOB = "Job"
    TASK_INSTANCE = "task_instance"
    DAG_RUN = "dag_run"
    DATA_SET = "data_set"