54 lines
2.3 KiB
Python
54 lines
2.3 KiB
Python
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def MakeSmartType(t):
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if isinstance(t, str):
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return SmartType(t)
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return t
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class SmartType(str):
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def __ne__(self, other):
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if self == "*" or other == "*":
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return False
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selfset = set(self.split(','))
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otherset = set(other.split(','))
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return not selfset.issubset(otherset)
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def VariantSupport():
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def decorator(cls):
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if hasattr(cls, "INPUT_TYPES"):
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old_input_types = getattr(cls, "INPUT_TYPES")
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def new_input_types(*args, **kwargs):
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types = old_input_types(*args, **kwargs)
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for category in ["required", "optional"]:
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if category not in types:
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continue
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for key, value in types[category].items():
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if isinstance(value, tuple):
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types[category][key] = (MakeSmartType(value[0]),) + value[1:]
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return types
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setattr(cls, "INPUT_TYPES", new_input_types)
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if hasattr(cls, "RETURN_TYPES"):
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old_return_types = cls.RETURN_TYPES
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setattr(cls, "RETURN_TYPES", tuple(MakeSmartType(x) for x in old_return_types))
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if hasattr(cls, "VALIDATE_INPUTS"):
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# Reflection is used to determine what the function signature is, so we can't just change the function signature
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raise NotImplementedError("VariantSupport does not support VALIDATE_INPUTS yet")
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else:
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def validate_inputs(input_types):
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inputs = cls.INPUT_TYPES()
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for key, value in input_types.items():
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if isinstance(value, SmartType):
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continue
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if "required" in inputs and key in inputs["required"]:
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expected_type = inputs["required"][key][0]
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elif "optional" in inputs and key in inputs["optional"]:
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expected_type = inputs["optional"][key][0]
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else:
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expected_type = None
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if expected_type is not None and MakeSmartType(value) != expected_type:
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return f"Invalid type of {key}: {value} (expected {expected_type})"
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return True
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setattr(cls, "VALIDATE_INPUTS", validate_inputs)
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return cls
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return decorator
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