uranusjr commented on code in PR #70805:
URL: https://github.com/apache/airflow/pull/70805#discussion_r3732682414
##########
task-sdk/src/airflow/sdk/coordinators/_subprocess.py:
##########
@@ -385,23 +400,148 @@ class SubprocessCoordinator(BaseCoordinator):
:param task_startup_timeout: Maximum time the coordinator waits for the
subprocess to connect to both servers, in seconds. The default is 10
seconds.
+ :param dag_bundle_name: Locate artifacts through a configured Dag bundle
rather
+ than an explicit root. Mutually exclusive with the subclass's explicit
root;
+ if neither is set, the task's own bundle is used. A named bundle
resolves to
+ its latest version; the task's own bundle is pinned to the run's
version.
"""
task_startup_timeout: float = 10.0
+ dag_bundle_name: str | None = None
+
+ # Name of the subclass's explicit-root kwarg, used only in error messages.
+ # Subclasses that expose an explicit root set this and override
+ # :meth:`_explicit_artifact_roots`; a subclass that does neither lands on
the
+ # task-bundle default instead of failing at execute time.
+ _root_kwarg: ClassVar[str] = "root"
+
+ # Classified once at construction by :meth:`_classify_artifact_source` and
+ # dispatched on by :meth:`_init_root_source` at execute time.
+ _artifact_source: _ArtifactSource | None = attrs.field(init=False,
default=None)
Review Comment:
This can never be None at runtime (always populated in
`__attrs_post_init__`. With `init=False`, the `| None` part in the annotation
and `default=None` are not needed.
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