68 lines
1.9 KiB
Python
68 lines
1.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) Alibaba, Inc. and its affiliates.
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import math
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from .constant import WORKFLOW_CONFIG
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class CalculatorNode:
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def __init__(self):
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self.cfg = WORKFLOW_CONFIG.workflow_config
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CATEGORY = '🪄 ComfyUI-Scepter'
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@classmethod
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def INPUT_TYPES(s):
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return {
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'required': {
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'parameter': ('INT', ),
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'type': (list(s().cfg['CALCULATOR']['TYPE']), ),
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'value': ('INT', ),
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'round_method': (list(s().cfg['CALCULATOR']['ROUND']), )
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}
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}
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OUTPUT_NODE = True
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RETURN_TYPES = ('INT', )
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RETURN_NAMES = ('INT', )
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FUNCTION = 'execute'
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def execute(self, parameter, type, value, round_method):
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_OPERATIONS = {
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'add': lambda a, b: a + b,
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'sub': lambda a, b: a - b,
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'mul': lambda a, b: a * b,
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'div': lambda a, b: a / b if b != 0 else _raise_zero_division()
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}
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_ROUND_METHODS = {
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'ceil': math.ceil,
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'floor': math.floor,
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'round': round
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}
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def _raise_zero_division():
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raise ValueError('Division by zero is not allowed.')
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if not isinstance(parameter,
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(int, float)) or not isinstance(value, (int, float)):
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raise TypeError('Parameters must be int or float.')
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try:
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operation = _OPERATIONS[type]
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except KeyError:
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raise ValueError(f"Invalid type: {type}") from None
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try:
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res = operation(parameter, value)
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except ZeroDivisionError:
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raise ValueError('Division by zero is not allowed') from None
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try:
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round_func = _ROUND_METHODS[round_method]
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except KeyError:
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raise ValueError(
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f"Invalid rounding method: {round_method}") from None
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return (round_func(res), )
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