MAINT: move cached_property backport to compat module

Signed-off-by: Filipe Laíns <[email protected]>

mesonpy/__init__.py

@@ -49,20 +49,15 @@
 import mesonpy._wheelfile
 
 from mesonpy._compat import (
-    Collection, Iterator, Literal, Mapping, Path, typing_get_args
+    Collection, Iterator, Literal, Mapping, Path, cached_property,
+    typing_get_args
 )
 
 
 if typing.TYPE_CHECKING:  # pragma: no cover
     import pyproject_metadata  # noqa: F401
 
 
-if sys.version_info >= (3, 8):
-    from functools import cached_property
-else:
-    cached_property = lambda x: property(functools.lru_cache(maxsize=None)(x))  # noqa: E731
-
-
 __version__ = '0.11.0'
 
 

mesonpy/_compat.py

@@ -2,6 +2,7 @@
 # SPDX-FileCopyrightText: 2021 Quansight, LLC
 # SPDX-FileCopyrightText: 2021 Filipe Laíns <[email protected]>
 
+import functools
 import os
 import pathlib
 import sys
@@ -25,6 +26,12 @@
     from typing_extensions import get_args as typing_get_args
 
 
+if sys.version_info >= (3, 8):
+    from functools import cached_property
+else:
+    cached_property = lambda x: property(functools.lru_cache(maxsize=None)(x))  # noqa: E731
+
+
 Path = Union[str, os.PathLike]
 
 
@@ -38,6 +45,7 @@ def is_relative_to(path: pathlib.Path, other: Union[pathlib.Path, str]) -> bool:
 
 
 __all__ = [
+    'cached_property',
     'is_relative_to',
     'typing_get_args',
     'Collection',