47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
from inspect import cleandoc
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from comfy_api.latest import io
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from .helper_functions import comonLazy
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from .modelLikeCommon import calculate_patches
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class ModelMathNode(io.ComfyNode):
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"""
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This node enables the use of math expressions on Model weights (state_dict).
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Functionally acts as a custom model merge.
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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_ModelMathNode",
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display_name="Model Math",
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category="More math",
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inputs=[
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io.Model.Input(id="a", tooltip="Main model (base)"),
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io.Model.Input(id="b", optional=True,lazy=True, tooltip="Optional 2nd model"),
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io.Model.Input(id="c", optional=True,lazy=True, tooltip="Optional 3rd model"),
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io.Model.Input(id="d", optional=True,lazy=True, tooltip="Optional 4th model"),
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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="Model", default="a*(1-w)+b*w", tooltip="Expression to apply on weights"),
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],
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outputs=[
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io.Model.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, Model, a, b=[], c=[], d=[],w=0,x=0,y=0,z=0):
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return comonLazy(Model, a, b, c, d,w,x,y,z)
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@classmethod
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def execute(cls, Model, a, b=None, c=None, d=None, w=0.0, x=0.0, y=0.0, z=0.0) -> io.NodeOutput:
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patches = calculate_patches(Model, a, b, c, d, w, x, y, z)
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out_model = a.clone()
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if patches:
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out_model.add_patches(patches, 1.0, 1.0)
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return (out_model,) |