feat: Ensure we have real Python 3.9 to 3.13 compatibility

Author: ddanier

pydantic_changedetect/changedetect.py

@@ -69,9 +69,9 @@ class Something(ChangeDetectionMixin, pydantic.BaseModel):
         #       attributes ChangeDetectionMixin uses are defined as __slots__ and
         #       thus just new attributes the class has - not something you need to pass
         #       anywhere.
-        model_original: Dict[str, Any] = PrivateAttr(...)
-        model_self_changed_fields: set[str] = PrivateAttr(...)
-        model_changed_markers: set[str] = PrivateAttr(...)
+        model_original: Dict[str, Any] = PrivateAttr(...)  # pyright: ignore[reportAssignmentType]
+        model_self_changed_fields: set[str] = PrivateAttr(...)  # pyright: ignore[reportAssignmentType]
+        model_changed_markers: set[str] = PrivateAttr(...)  # pyright: ignore[reportAssignmentType]
 
     __slots__ = ("model_changed_markers", "model_original", "model_self_changed_fields")
 

pyproject.toml

@@ -20,12 +20,12 @@ pyright = ">=1.1.350,<1.2"
 
 [tool.ruff]
 line-length = 115
-target-version = "py38"
+target-version = "py39"
 output-format = "grouped"
 
 [tool.ruff.lint]
 select = ["F","E","W","C","I","N","UP","ANN","S","B","A","COM","C4","T20","PT","ARG","TD","RUF"]
-ignore = ["A001","A002","A003","ANN101","ANN102","ANN401","C901","N8","B008","F405","F821"]
+ignore = ["A001","A002","A003","ANN401","C901","N8","B008","F405","F821", "UP035", "UP006"]
 
 [tool.ruff.lint.per-file-ignores]
 "__init__.py" = ["F401"]