56 lines
2.2 KiB
Python
56 lines
2.2 KiB
Python
from inspect import cleandoc
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from .helper_functions import comonLazy, eval_float_expr
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from comfy_api.latest import io
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class FloatMathNode(io.ComfyNode):
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"""
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This node enables the use of math expressions on Floats.
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Inputs:
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a, b, c, d: Floats, bound to variables with the same name.
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w, x, y, z: Floats, bound to variables of the expression.
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FloatFunc: String, describing math expression.
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Valid functions: sin, cos, tan, abs, sqrt, min, max, norm, etc.
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Operators: +, -, *, /, ^, %.
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Constants: e, pi.
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Outputs:
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FLOAT: The result of evaluating the math expression.
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"""
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@classmethod
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def define_schema(cls) -> io.Schema:
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return io.Schema(
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node_id="mrmth_FloatMathNode",
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category="More math",
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display_name="Float math",
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inputs=[
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io.Float.Input(id="a", force_input=True),
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io.Float.Input(id="b", default=0.0, optional=True, lazy=True, force_input=True),
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io.Float.Input(id="c", default=0.0, optional=True, lazy=True, force_input=True),
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io.Float.Input(id="d", default=0.0, optional=True, lazy=True, force_input=True),
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io.Float.Input(id="w", default=0.0, optional=True, lazy=True, force_input=True),
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io.Float.Input(id="x", default=0.0, optional=True, lazy=True, force_input=True),
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io.Float.Input(id="y", default=0.0, optional=True, lazy=True, force_input=True),
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io.Float.Input(id="z", default=0.0, optional=True, lazy=True, force_input=True),
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io.String.Input(id="FloatFunc", default="a*(1-w)+b*w", tooltip="Expression to use on inputs"),
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],
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outputs=[
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io.Float.Output(),
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],
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)
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tooltip = cleandoc(__doc__)
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@classmethod
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def check_lazy_status(cls, FloatFunc, a, b=[], c=[], d=[], w=0, x=0, y=0, z=0):
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return comonLazy(FloatFunc, a, b, c, d)
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@classmethod
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def execute(cls, FloatFunc, a, b=0.0, c=0.0, d=0.0, w=0.0, x=0.0, y=0.0, z=0.0):
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variables = {"a": a, "b": b, "c": c, "d": d, "w": w, "x": x, "y": y, "z": z}
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result = eval_float_expr(FloatFunc, variables)
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return (result,)
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