replace remaining pooch use with lighter platformdirs

Author: FynnBe

bioimageio/spec/_internal/_settings.py

@@ -3,7 +3,7 @@
 from pathlib import Path
 from typing import Optional, Union
 
-import pooch  # pyright: ignore [reportMissingTypeStubs]
+import platformdirs
 from genericache import DiskCache
 from genericache.digest import UrlDigest
 from pydantic import Field, field_validator
@@ -25,7 +25,7 @@ class Settings(
     allow_pickle: bool = False
     """Sets the `allow_pickle` argument for `numpy.load()`"""
 
-    cache_path: Path = pooch.os_cache("bioimageio")
+    cache_path: Path = Path(platformdirs.user_cache_dir("bioimageio"))
     """bioimageio cache location"""
 
     @field_validator("cache_path", mode="after")

dev/env.yaml

@@ -15,7 +15,7 @@ dependencies:
   - numpy[version='>=1.21']
   - packaging[version='>=17.0']
   - pip
-  - pooch
+  - platformdirs
   - pre-commit
   - psutil
   - pydantic-settings

pyproject.toml

@@ -6,23 +6,23 @@ requires-python = ">=3.8"
 dependencies = [
     "annotated-types>=0.5.0,<1",
     "email_validator",
+    "exceptiongroup",            # TODO: remove when py3.11 is lowest supported version
     "genericache==0.5.2",
+    "httpx",
     "imageio",
     "loguru",
     "markdown",
     "numpy>=1.21",
     "packaging>=17.0",
-    "pooch>=1.5,<2",
+    "platformdirs",
     "pydantic-settings>=2.5,<3",
     "pydantic>=2.10.3,<2.12",
     "python-dateutil",
-    "httpx",
     "rich",
     "ruyaml",
     "tifffile>=2020.7.4",
     "tqdm",
     "typing-extensions",
-    "exceptiongroup",            # TODO: remove when py3.11 is lowest supported version
     "zipp",
 ]
 classifiers = [