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[commands] Fix regression with Union converters not working

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This was due to the Literal restriction from earlier.
This commit is contained in:
Rapptz 2021-04-24 09:33:35 -04:00
parent 185b554a56
commit c250b9fc02
1 changed files with 3 additions and 1 deletions
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4
discord/ext/commands/core.py
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@ -112,6 +112,7 @@ def _evaluate_annotation(
if hasattr(tp, '__args__'):
implicit_str = True
is_literal = False
args = tp.__args__
if not hasattr(tp, '__origin__'):
if PY_310 and tp.__class__ is types.Union:
@ -129,12 +130,13 @@ def _evaluate_annotation(
if not PY_310:
args = flatten_literal_params(tp.__args__)
implicit_str = False
is_literal = True
evaluated_args = tuple(
_evaluate_annotation(arg, globals, locals, cache, implicit_str=implicit_str) for arg in args
)
if not all(isinstance(x, (str, int, bool, float, complex)) for x in evaluated_args):
if is_literal and not all(isinstance(x, (str, int, bool, float, complex)) for x in evaluated_args):
raise TypeError('Literal arguments must be of type str, int, bool, float or complex.')
if evaluated_args == args: