Clarify some types. (#438)

Author: tobiasraabe

docs/source/changes.md

@@ -54,6 +54,7 @@ releases are available on [PyPI](https://pypi.org/project/pytask) and
 - {pull}`433` fixes the ids generated for {class}`~pytask.PythonNode`s.
 - {pull}`437` fixes the detection of task functions and publishes
   {func}`pytask.is_task_function`.
+- {pull}`438` clarifies some types.
 
 ## 0.3.2 - 2023-06-07
 

src/_pytask/collect.py

@@ -220,7 +220,7 @@ def pytask_collect_task_protocol(
 
 @hookimpl(trylast=True)
 def pytask_collect_task(
-    session: Session, path: Path, name: str, obj: Any
+    session: Session, path: Path | None, name: str, obj: Any
 ) -> PTask | None:
     """Collect a task which is a function.
 

src/_pytask/collect_utils.py

@@ -74,7 +74,7 @@ def produces(objects: PyTree[Any]) -> PyTree[Any]:
 
 def parse_nodes(  # noqa: PLR0913
     session: Session,
-    task_path: Path,
+    task_path: Path | None,
     task_name: str,
     node_path: Path,
     obj: Any,
@@ -241,7 +241,7 @@ def _merge_dictionaries(list_of_dicts: list[dict[Any, Any]]) -> dict[Any, Any]:
 
 
 def parse_dependencies_from_task_function(
-    session: Session, task_path: Path, task_name: str, node_path: Path, obj: Any
+    session: Session, task_path: Path | None, task_name: str, node_path: Path, obj: Any
 ) -> dict[str, Any]:
     """Parse dependencies from task function."""
     has_depends_on_decorator = False
@@ -373,7 +373,7 @@ def _find_args_with_node_annotation(func: Callable[..., Any]) -> dict[str, PNode
 
 
 def parse_products_from_task_function(
-    session: Session, task_path: Path, task_name: str, node_path: Path, obj: Any
+    session: Session, task_path: Path | None, task_name: str, node_path: Path, obj: Any
 ) -> dict[str, Any]:
     """Parse products from task function.
 

src/_pytask/models.py

@@ -34,5 +34,5 @@ class NodeInfo(NamedTuple):
     arg_name: str
     path: tuple[str | int, ...]
     value: Any
-    task_path: Path
+    task_path: Path | None
     task_name: str