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[commands] Add support for Python 3.10 Union typing

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Rapptz 2021-04-11 02:11:24 -04:00
parent 1ecadf057e
commit 74d8ad2013
1 changed files with 8 additions and 1 deletions
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9
discord/ext/commands/core.py
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@ -35,6 +35,7 @@ import asyncio
import functools
import inspect
import datetime
import types
import sys
import discord
@ -104,6 +105,12 @@ def _evaluate_annotation(tp: Any, globals: Dict[str, Any], cache: Dict[str, Any]
if hasattr(tp, '__args__'):
implicit_str = True
args = tp.__args__
if not hasattr(tp, '__origin__'):
if PY_310 and tp.__class__ is types.Union:
converted = Union[args] # type: ignore
return _evaluate_annotation(converted, globals, cache)
return tp
if tp.__origin__ is Union:
try:
if args.index(type(None)) != len(args) - 1:
@ -136,7 +143,7 @@ def resolve_annotation(annotation: Any, globalns: Dict[str, Any], cache: Dict[st
annotation = ForwardRef(annotation)
return _evaluate_annotation(annotation, globalns, cache)
def get_signature_parameters(function) -> Dict[str, inspect.Parameter]:
def get_signature_parameters(function: types.FunctionType) -> Dict[str, inspect.Parameter]:
globalns = function.__globals__
signature = inspect.signature(function)
params = {}