fix: correct the uv python dir with platformdirs

Signed-off-by: Frost Ming <me@frostming.com>

Author: frostming

pdm.lock

@@ -6,6 +6,7 @@ authors = [
 ]
 dependencies = [
     "packaging>=20",
+    "platformdirs>=4.3.6",
 ]
 requires-python = ">=3.8"
 license = {text = "MIT"}

pyproject.toml

@@ -4,25 +4,18 @@
 import typing as t
 from pathlib import Path
 
+import platformdirs
+
 from findpython.providers.rye import RyeProvider
-from findpython.utils import WINDOWS
 
 
 class UvProvider(RyeProvider):
     @classmethod
     def create(cls) -> t.Self | None:
-        # See uv#13877(https://github.com/astral-sh/uv/issues/13877)
-        if WINDOWS:
-            default_root_str = os.getenv("APPDATA")
-        else:
-            default_root_str = "~/.local/share"
-        assert default_root_str is not None
+        default_root_str = platformdirs.user_data_dir("uv", appauthor=False, roaming=True)
         root_str = os.getenv("UV_PYTHON_INSTALL_DIR")
         if root_str is None:
-            root_str = os.getenv("XDG_DATA_HOME")
-            if root_str is None:
-                root_str = default_root_str
-            root = Path(root_str).expanduser() / "uv" / "python"
+            root = Path(default_root_str).expanduser() / "python"
         else:
             root = Path(root_str).expanduser()
         return cls(root)

src/findpython/providers/uv.py

@@ -1,3 +1,4 @@
+import platform
 import stat
 import sys
 from pathlib import Path
@@ -97,11 +98,15 @@ def test_find_python_from_rye_provider(mocked_python, tmp_path, monkeypatch):
 
 
 def test_find_python_from_uv_provider(mocked_python, tmp_path, monkeypatch):
+    if platform.system() == "Linux":
+        python_root = tmp_path / ".local/share/uv/python"
+    else:  # macos
+        python_root = tmp_path / "Library/Application Support/uv/python"
     python310 = mocked_python.add_python(
-        tmp_path / ".local/share/uv/python/cpython@3.10.9/install/bin/python3", "3.10.9"
+        python_root / "cpython@3.10.9/install/bin/python3", "3.10.9"
     )
     python311 = mocked_python.add_python(
-        tmp_path / ".local/share/uv/python/cpython@3.11.8/bin/python3", "3.11.8"
+        python_root / "cpython@3.11.8/bin/python3", "3.11.8"
     )
     monkeypatch.setenv("HOME", str(tmp_path))
 
@@ -112,13 +117,6 @@ def test_find_python_from_uv_provider(mocked_python, tmp_path, monkeypatch):
     find_311 = Finder(selected_providers=["uv"]).find_all(3, 11)
     assert python311 in find_311
 
-    monkeypatch.setenv("XDG_DATA_HOME", str(tmp_path / "xdg"))
-    python310_xdg = mocked_python.add_python(
-        tmp_path / "xdg/uv/python/cpython@3.10.9/install/bin/python3", "3.10.9"
-    )
-    find_310 = Finder(selected_providers=["uv"]).find_all(3, 10)
-    assert python310_xdg in find_310
-
     monkeypatch.setenv("UV_PYTHON_INSTALL_DIR", str(tmp_path / "uv_dir"))
     python311_uv_dir = mocked_python.add_python(
         tmp_path / "uv_dir/cpython@3.11.8/bin/python3", "3.11.8"