Remove pytask_execute_create_scheduler hook. (#575)

Author: tobiasraabe

docs/source/changes.md

@@ -22,6 +22,7 @@ releases are available on [PyPI](https://pypi.org/project/pytask) and
 - {pull}`569` removes the hooks related to the creation of the DAG.
 - {pull}`571` removes redundant calls to `PNode.state()` which causes a high penalty for
   remote files.
+- {pull}`573` removes the `pytask_execute_create_scheduler` hook.
 
 ## 0.4.5 - 2024-01-09
 

docs/source/reference_guides/hookspecs.md

@@ -69,7 +69,6 @@ The following hooks execute the tasks and log information on the result in the t
 ```{eval-rst}
 .. autofunction:: pytask_execute
 .. autofunction:: pytask_execute_log_start
-.. autofunction:: pytask_execute_create_scheduler
 .. autofunction:: pytask_execute_build
 .. autofunction:: pytask_execute_task_protocol
 .. autofunction:: pytask_execute_task_log_start

src/_pytask/execute.py

@@ -57,7 +57,7 @@ def pytask_post_parse(config: dict[str, Any]) -> None:
 def pytask_execute(session: Session) -> None:
     """Execute tasks."""
     session.hook.pytask_execute_log_start(session=session)
-    session.scheduler = session.hook.pytask_execute_create_scheduler(session=session)
+    session.scheduler = TopologicalSorter.from_dag(session.dag)
     session.hook.pytask_execute_build(session=session)
     session.hook.pytask_execute_log_end(
         session=session, reports=session.execution_reports
@@ -73,12 +73,6 @@ def pytask_execute_log_start(session: Session) -> None:
     console.print()
 
 
-@hookimpl(trylast=True)
-def pytask_execute_create_scheduler(session: Session) -> TopologicalSorter:
-    """Create a scheduler based on topological sorting."""
-    return TopologicalSorter.from_dag(session.dag)
-
-
 @hookimpl
 def pytask_execute_build(session: Session) -> bool | None:
     """Execute tasks."""

src/_pytask/hookspecs.py

@@ -232,16 +232,6 @@ def pytask_execute_log_start(session: Session) -> None:
     """
 
 
-@hookspec(firstresult=True)
-def pytask_execute_create_scheduler(session: Session) -> Any:
-    """Create a scheduler for the execution.
-
-    The scheduler provides information on which tasks are able to be executed. Its
-    foundation is likely a topological ordering of the tasks based on the DAG.
-
-    """
-
-
 @hookspec(firstresult=True)
 def pytask_execute_build(session: Session) -> Any:
     """Execute the build.