Fix issues with converter options

Author: Dorukyum

discord/commands/core.py

@@ -784,6 +784,8 @@ async def _invoke(self, ctx: ApplicationContext) -> None:
         kwargs = {}
         for arg in ctx.interaction.data.get("options", []):
             op = find(lambda x: x.name == arg["name"], self.options)
+            if op is None:
+                continue
             arg = arg["value"]
 
             # Checks if input_type is user, role or channel
@@ -844,7 +846,11 @@ async def _invoke(self, ctx: ApplicationContext) -> None:
                     arg = Object(id=int(arg))
 
             elif op.input_type == SlashCommandOptionType.string and (converter := op.converter) is not None:
-                arg = await converter.convert(converter, ctx, arg)
+                from discord.ext.commands import Converter
+                if isinstance(converter, Converter):
+                    arg = await converter.convert(ctx, arg)
+                elif isinstance(converter, type) and hasattr(converter, "convert"):
+                    arg = await converter().convert(ctx, arg)
 
             elif op._raw_type in (SlashCommandOptionType.integer,
                                   SlashCommandOptionType.number,

discord/commands/options.py

@@ -138,6 +138,7 @@ def __init__(self, input_type: Any = str, /, description: Optional[str] = None,
         if not isinstance(input_type, SlashCommandOptionType):
             if hasattr(input_type, "convert"):
                 self.converter = input_type
+                self._raw_type = str
                 input_type = SlashCommandOptionType.string
             elif isinstance(input_type, type) and issubclass(input_type, (Enum, DiscordEnum)):
                 enum_choices = [OptionChoice(e.name, e.value) for e in input_type]