get_parent_argument_info_or_none

app.util.helpers.generics.get_parent_argument_info_or_none(cls: type | GenericAlias, parent: type | Iterable[type], param: ParamType, *, check_bounds: bool = True, fail: bool = False) → ArgumentInfo | None

Return the final ArgumentInfo for param inherited from parent if any.

If parent is an iterable of types, check each in order until one is found that specialises param, if any.

Raises:

GenericsError – If fail and the inheritance chain or requested parameter cannot be resolved.

Parameters:

• cls (type | GenericAlias)

• parent (type | Iterable[type])

• param (ParamType)

• check_bounds (bool)

• fail (bool)

Return type:

ArgumentInfo | None