50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
class MultiIntFormula:
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DESCRIPTION = """
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输入参数：n0,n1,n2...可根据需求加入入参。类型：int,float
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输出参数：有一个int，有一个float 值一样，类型不一样，根据需求使用
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表达式：使用+-*/%等运算符进行运算，加+，减-，*乘，除/，取余%，括号()，注意全部是英文符合。
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示例：
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n0+n1/n2*n3
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"""
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def __init__(self):
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pass
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"expression": ("STRING",{"multiline": True}),
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},
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"optional": {
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"n0": ("INT,FLOAT", ),
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"n1": ("INT,FLOAT", ),
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}
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}
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RETURN_TYPES = ("INT","FLOAT",)
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FUNCTION = "evaluate"
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CATEGORY = "lam"
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OUTPUT_NODE = True
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def evaluate(self, expression, **kwargs):
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lookup = {}
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for arg in kwargs:
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if type(kwargs[arg]) == int or type(kwargs[arg])== float:
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lookup[arg] = kwargs[arg]
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msg=None
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r=0
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try:
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r = eval(expression, lookup)
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msg=[r]
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except Exception as e:
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msg=["表达式错误"]
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return {"ui": {"value": msg}, "result": (int(r), float(r),)}
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NODE_CLASS_MAPPINGS = {
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"MultiIntFormula": MultiIntFormula
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}
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NODE_DISPLAY_NAME_MAPPINGS = {
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"MultiIntFormula": "多参数学表达式"
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} |