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add support for recursive datatypes

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This commit is contained in:
Vasyl Yovdiy 2025-01-16 11:30:58 +01:00
parent e8dd0ae47d
commit 7416bf3197
1 changed files with 7 additions and 0 deletions
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7
reflex/vars/base.py
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@ -30,6 +30,7 @@ from typing import (
Optional, Optional,
Set, Set,
Tuple, Tuple,
ForwardRef,
Type, Type,
TypeVar, TypeVar,
Union, Union,
@ -760,6 +761,12 @@ class Var(Generic[VAR_TYPE]):
fixed_type = get_origin(var_type) or var_type fixed_type = get_origin(var_type) or var_type
if isinstance(fixed_type, ForwardRef):
try:
fixed_type = fixed_type._evaluate(globals(), locals(), set())
except Exception:
raise TypeError(f"Could not resolve ForwardRef: {fixed_type}")
if fixed_type in types.UnionTypes: if fixed_type in types.UnionTypes:
inner_types = get_args(var_type) inner_types = get_args(var_type)