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All Var-typed props are implicitly Optional

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For compatibility with existing Component wraps, if the type is Var and a
default is not provided, mark it as Optional and set a default of None.

Fix _rename_props inheritance for pydantic-v2.
This commit is contained in:
Masen Furer 2024-03-06 12:02:42 -08:00
parent cdc2f4f6e0
commit 586601b169
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GPG Key ID: B0008AD22B3B3A95
1 changed files with 14 additions and 8 deletions
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22
reflex/components/component.py
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@ -219,20 +219,26 @@ class Component(BaseComponent, ABC):
# Set default values for any props.
if types._issubclass(field.annotation, Var):
# TODO: pydantic v2 AttributeError: 'FieldInfo' object attribute 'is_required' is read-only
# field.is_required = False
if not isinstance(field.default, PydanticUndefinedType):
# Wrap all given default values in Var
field.default = Var.create(field.default)
# Var type fields are implicitly Optional
if field.is_required():
field.annotation = Optional[field.annotation]
field.default = None
# Ensure renamed props from parent classes are applied to the subclass.
if cls._rename_props:
if cls._rename_props.default:
inherited_rename_props = {}
for parent in reversed(cls.mro()):
if issubclass(parent, Component) and parent._rename_props:
if isinstance(parent._rename_props, ModelPrivateAttr):
parent._rename_props = parent._rename_props.default
inherited_rename_props.update(parent._rename_props)
cls._rename_props = inherited_rename_props
if issubclass(parent, Component) and isinstance(
parent._rename_props, ModelPrivateAttr
):
inherited_rename_props.update(parent._rename_props.default)
cls._rename_props.default = inherited_rename_props
cls.model_rebuild(force=True)
def __init__(self, *args, **kwargs):
"""Initialize the component.