Migrate from appdirs to platformdirs

software/glasgow/target/hardware.py

@@ -5,7 +5,7 @@
 import shutil
 import logging
 import hashlib
-import appdirs
+import platformdirs
 import pathlib
 from amaranth import *
 from amaranth.build import ResourceError
@@ -153,8 +153,8 @@ def execute(self, build_dir=None, *, debug=False):
         return bitstream
 
     def get_bitstream(self, *, debug=False):
-        cache_path = appdirs.user_cache_dir("GlasgowEmbedded", appauthor=False)
-        cache_filename = pathlib.Path(cache_path) / "bitstreams" / self.bitstream_id.hex()
+        cache_path = platformdirs.user_cache_path("GlasgowEmbedded", appauthor=False)
+        cache_filename = cache_path / "bitstreams" / self.bitstream_id.hex()
         cache_exists = False
         if cache_filename.exists():
             with cache_filename.open("rb") as cache_file:

software/pdm.min.lock

@@ -5,7 +5,7 @@
 groups = ["default", "builtin-toolchain", "http"]
 strategy = ["cross_platform", "direct_minimal_versions"]
 lock_version = "4.4"
-content_hash = "sha256:d424d8501f58db7a76e39083ce4f514dfbad48d09441e736c60393017ebfe3b2"
+content_hash = "sha256:efaec2704d878a92d27f52b4d3c61adb858093f3322d6d4455c4cc652ac25350"
 
 [[package]]
 name = "aiohttp"
@@ -456,6 +456,16 @@ files = [
     {file = "packaging-23.0.tar.gz", hash = "sha256:b6ad297f8907de0fa2fe1ccbd26fdaf387f5f47c7275fedf8cce89f99446cf97"},
 ]
 
+[[package]]
+name = "platformdirs"
+version = "3.0.0"
+requires_python = ">=3.7"
+summary = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+files = [
+    {file = "platformdirs-3.0.0-py3-none-any.whl", hash = "sha256:b1d5eb14f221506f50d6604a561f4c5786d9e80355219694a1b244bcd96f4567"},
+    {file = "platformdirs-3.0.0.tar.gz", hash = "sha256:8a1228abb1ef82d788f74139988b137e78692984ec7b08eaa6c65f1723af28f9"},
+]
+
 [[package]]
 name = "pyvcd"
 version = "0.2.3"

software/pyproject.toml

@@ -31,9 +31,9 @@ dependencies = [
   # `packaging` is used in the plugin system, `support.plugin`. It uses CalVer: the major version
   # is the two last digits of the year and the minor version is the release within that year.
   "packaging>=23.0",
-  # `appdirs` is used in the bitstream builder to use platform-appropriate cache directories.
+  # `platformdirs` is used in the bitstream builder to use platform-appropriate cache directories.
   # It uses SemVer.
-  "appdirs>=1.4.2,<2",
+  "platformdirs>=3.0.0,<4",
   # `fx2` is effectively maintained together with Glasgow. It uses SemVer, and keeps backward
   # compatibility within the 0.x release series.
   "fx2>=0.11,<1",