Change methods to frozenset

Author: LeanderCS

.github/workflows/test-lib-building.yaml

@@ -28,9 +28,7 @@ jobs:
         run: pip install "$(ls dist/*.whl | head -n 1)[optional]"
 
       - name: Verify library usage - Part I
-        run: |
-          echo "import flask_inputfilter.InputFilter" > test_script.py
-          python test_script.py
+        run: python -c "import flask_inputfilter.InputFilter"
 
       - name: Verify library usage - Part II
         run: pytest tests/

flask_inputfilter/InputFilter.py

@@ -60,7 +60,9 @@ class InputFilter(
     )
 
     def __init__(self, methods: Optional[List[str]] = None) -> None:
-        self.__methods = methods or ["GET", "POST", "PATCH", "PUT", "DELETE"]
+        self.__methods: frozenset = frozenset(
+            methods or ["GET", "POST", "PATCH", "PUT", "DELETE"]
+        )
         self._fields: Dict[str, FieldModel] = {}
         self._conditions: List[BaseCondition] = []
         self._global_filters: List[BaseFilter] = []

flask_inputfilter/Mixin/BaseMixin.py

@@ -4,10 +4,11 @@
 
 from flask_inputfilter.Condition import BaseCondition
 from flask_inputfilter.Exception import ValidationError
-from flask_inputfilter.Mixin import BaseMixin
 
 
-class ConditionMixin(BaseMixin):
+class ConditionMixin:
+    __slots__ = ()
+
     @final
     def addCondition(self, condition: BaseCondition) -> None:
         """

flask_inputfilter/Mixin/ConditionMixin.py

@@ -2,10 +2,10 @@
 
 from typing_extensions import final
 
-from flask_inputfilter.Mixin import BaseMixin
 
+class DataMixin:
+    __slots__ = ()
 
-class DataMixin(BaseMixin):
     @final
     def setData(self, data: Dict[str, Any]) -> None:
         """

flask_inputfilter/Mixin/DataMixin.py

@@ -2,10 +2,10 @@
 
 from typing_extensions import final
 
-from flask_inputfilter.Mixin import BaseMixin
 
+class ErrorHandlingMixin:
+    __slots__ = ()
 
-class ErrorHandlingMixin(BaseMixin):
     @final
     def getErrorMessage(self, field_name: str) -> str:
         """

flask_inputfilter/Mixin/ErrorHandlingMixin.py

@@ -2,13 +2,14 @@
 from typing import Any, Optional
 
 from flask_inputfilter.Exception import ValidationError
-from flask_inputfilter.Mixin import BaseMixin
 from flask_inputfilter.Model import ExternalApiConfig
 
 API_PLACEHOLDER_PATTERN = re.compile(r"{{(.*?)}}")
 
 
-class ExternalApiMixin(BaseMixin):
+class ExternalApiMixin:
+    __slots__ = ()
+
     def __callExternalApi(
         self, config: ExternalApiConfig, fallback: Any, validated_data: dict
     ) -> Optional[Any]:

flask_inputfilter/Mixin/ExternalApiMixin.py

@@ -4,12 +4,13 @@
 
 from flask_inputfilter.Exception import ValidationError
 from flask_inputfilter.Filter import BaseFilter
-from flask_inputfilter.Mixin import BaseMixin
 from flask_inputfilter.Model import ExternalApiConfig, FieldModel
 from flask_inputfilter.Validator import BaseValidator
 
 
-class FieldMixin(BaseMixin):
+class FieldMixin:
+    __slots__ = ()
+
     @final
     def add(
         self,

flask_inputfilter/Mixin/FieldMixin.py

@@ -3,10 +3,11 @@
 from typing_extensions import final
 
 from flask_inputfilter.Filter import BaseFilter
-from flask_inputfilter.Mixin import BaseMixin
 
 
-class FilterMixin(BaseMixin):
+class FilterMixin:
+    __slots__ = ()
+
     @final
     def addGlobalFilter(self, filter: BaseFilter) -> None:
         """

flask_inputfilter/Mixin/FilterMixin.py

@@ -2,15 +2,15 @@
 
 from typing_extensions import final
 
-from flask_inputfilter.Mixin import BaseMixin
-
 if TYPE_CHECKING:
     from flask_inputfilter import InputFilter
 
 T = TypeVar("T")
 
 
-class ModelMixin(BaseMixin):
+class ModelMixin:
+    __slots__ = ()
+
     @final
     def clear(self) -> None:
         """