boolean setting filter, split filters into own files

aethersprite/filters/__init__.py

@@ -0,0 +1,15 @@
+"""Setting filters module"""
+
+from .boolean_filter import BooleanFilter
+from .channel_filter import ChannelFilter
+from .role_filter import RoleFilter
+from .seconds_filter import SecondsFilter
+from .setting_filter import SettingFilter
+
+__all__ = (
+    "BooleanFilter",
+    "ChannelFilter",
+    "RoleFilter",
+    "SecondsFilter",
+    "SettingFilter",
+)

aethersprite/filters/boolean_filter.py

@@ -0,0 +1,50 @@
+"""Boolean setting filter"""
+
+# 3rd party
+from discord.ext.commands import Context
+
+# local
+from .setting_filter import SettingFilter
+
+
+class BooleanFilter(SettingFilter):
+
+    """Filter used for converting strings to boolean values"""
+
+    def __init__(self, setting: str):
+        super().__init__(setting)
+
+    def in_(self, ctx: Context, value: str | None) -> bool | None:
+        """
+        Filter setting input.
+
+        Args:
+            ctx: The current context
+            value: The incoming value
+
+        Returns:
+            The raw setting value (a boolean)
+        """
+
+        if not value:
+            return
+
+        return bool(value)
+
+    def out(
+        self,
+        ctx: Context,
+        value: bool | None,
+    ) -> bool | None:
+        """
+        Filter setting output.
+
+        Args:
+            ctx: The current context
+            value: The raw setting value (a boolean)
+
+        Returns:
+            The raw setting value
+        """
+
+        return value