Skip to content

fix: 🐛 Handle python 3.12+ TypeAliasType in Option parsing #2952

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 3 commits into
base: master
Choose a base branch
from
+18 −1
Open

fix: 🐛 Handle python 3.12+ TypeAliasType in Option parsing #2952

Show file tree
Hide file tree
Changes from 2 commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
43d6976
:bug: Handle python 3.12+ `TypeAliasType` in `Option` parsing
Paillat-dev Oct 12, 2025
f71b8b4
:memo: CHANGELOG.md
Paillat-dev Oct 12, 2025
aec582a
Merge branch 'master' into fix/type-alias-cmd-options
Paillat-dev Oct 17, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions CHANGELOG.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,8 @@ These changes are available on the `master` branch, but have not yet been releas
([#2925](https://github.com/Pycord-Development/pycord/pull/2925))
- Fixed a `TypeError` when typing `ui.Select` without providing optional type arguments.
([#2943](https://github.com/Pycord-Development/pycord/pull/2943))
- Fixed `TypeError` when using Python 3.12+ `type` syntax for typing slash command
parameters. ([#2952](https://github.com/Pycord-Development/pycord/pull/2952))

### Removed

Expand Down
17 changes: 16 additions & 1 deletion discord/commands/options.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,15 @@
import logging
import types
from enum import Enum
from typing import TYPE_CHECKING, Literal, Optional, Type, Union, get_args
from typing import (
TYPE_CHECKING,
Literal,
Optional,
Type,
TypeAliasType,
Union,
get_args,
)

from ..abc import GuildChannel, Mentionable
from ..channel import (
Expand Down Expand Up @@ -197,6 +205,7 @@ def __init__(
if self.name is not None:
self.name = str(self.name)
self._parameter_name = self.name # default
input_type = self._parse_type_alias(input_type)
input_type = self._strip_none_type(input_type)
self._raw_type: InputType | tuple = input_type

Expand Down Expand Up @@ -367,6 +376,12 @@ def __init__(
if input_type is None:
raise TypeError("input_type cannot be NoneType.")

@staticmethod
def _parse_type_alias(input_type: InputType) -> InputType:
if isinstance(input_type, TypeAliasType):
return input_type.__value__
return input_type

@staticmethod
def _strip_none_type(input_type):
if isinstance(input_type, SlashCommandOptionType):
Expand Down