Fix Python 3.13: classmethod + property unsupported (#448)

* Use own classproperty (don't inherit from property).
 * Config generation: Rename pathlib._local to pathlib

scripts/generate_config_md.py

@@ -86,7 +86,7 @@ def get_default_value(field_info: Union[FieldInfo, ComputedFieldInfo], regular_f
 
 
 def get_type_name(field_type: type) -> str:
-    type_name = str(field_type).replace("typing.", "")
+    type_name = str(field_type).replace("typing.", "").replace("pathlib._local", "pathlib")
     if type_name.startswith("<class"):
         type_name = field_type.__name__
     return type_name

src/akkudoktoreos/config/config.py

@@ -167,7 +167,10 @@ class SettingsEOS(BaseSettings):
     utils: Optional[UtilsCommonSettings] = None
 
     model_config = SettingsConfigDict(
-        env_nested_delimiter="__", nested_model_default_partial_update=True, env_prefix="EOS_"
+        env_nested_delimiter="__",
+        nested_model_default_partial_update=True,
+        env_prefix="EOS_",
+        ignored_types=(classproperty,),
     )
 
 
@@ -314,13 +317,11 @@ class ConfigEOS(SingletonMixin, SettingsEOSDefaults):
         setting_sources.append(default_settings)
         return tuple(setting_sources)
 
-    @classmethod
     @classproperty
     def config_default_file_path(cls) -> Path:
         """Compute the default config file path."""
         return cls.package_root_path.joinpath("data/default.config.json")
 
-    @classmethod
     @classproperty
     def package_root_path(cls) -> Path:
         """Compute the package root path."""

src/akkudoktoreos/core/decorators.py

@@ -1,3 +1,4 @@
+from collections.abc import Callable
 from typing import Any, Optional
 
 from akkudoktoreos.core.logging import get_logger
@@ -5,13 +6,14 @@ from akkudoktoreos.core.logging import get_logger
 logger = get_logger(__name__)
 
 
-class classproperty(property):
+class classproperty:
     """A decorator to define a read-only property at the class level.
 
-    This class extends the built-in `property` to allow a method to be accessed
-    as a property on the class itself, rather than an instance. This is useful
-    when you want a property-like syntax for methods that depend on the class
-    rather than any instance of the class.
+    This class replaces the built-in `property` which is no longer available in
+    combination with @classmethod since Python 3.13 to allow a method to be
+    accessed as a property on the class itself, rather than an instance. This
+    is useful when you want a property-like syntax for methods that depend on
+    the class rather than any instance of the class.
 
     Example:
         class MyClass:
@@ -28,13 +30,16 @@ class classproperty(property):
                  decorated method on the class.
 
     Parameters:
-        fget (Callable[[type], Any]): A method that takes the class as an
+        fget (Callable[[Any], Any]): A method that takes the class as an
                                       argument and returns a value.
 
     Raises:
         AssertionError: If `fget` is not defined when `__get__` is called.
     """
 
+    def __init__(self, fget: Callable[[Any], Any]) -> None:
+        self.fget = fget
+
     def __get__(self, _: Any, owner_cls: Optional[type[Any]] = None) -> Any:
         if owner_cls is None:
             return self