fix: Path objects are ok for data_file and config_file. #1552

1 files changed, 12 insertions, 1 deletions

diff --git a/coverage/types.py b/coverage/types.py
index b8135d05..e01f451e 100644
--- a/coverage/types.py
+++ b/coverage/types.py
@@ -7,9 +7,12 @@ Types for use throughout coverage.py.
 
 from __future__ import annotations
 
+import os
+import pathlib
+
 from types import FrameType, ModuleType
 from typing import (
-    Any, Callable, Dict, Iterable, List, Mapping, Optional, Set, Tuple, Union,
+    Any, Callable, Dict, Iterable, List, Mapping, Optional, Set, Tuple, Type, Union,
     TYPE_CHECKING,
 )
 
@@ -23,6 +26,14 @@ else:
     class Protocol:             # pylint: disable=missing-class-docstring
         pass
 
+## File paths
+
+# For arguments that are file paths:
+FilePath = Union[str, os.PathLike]
+# For testing FilePath arguments
+FilePathClasses = [str, pathlib.Path]
+FilePathType = Union[Type[str], Type[pathlib.Path]]
+
 ## Python tracing
 
 class TTraceFn(Protocol):