Files
ComfyUI/comfy_api/latest/_node_replace.py
2026-01-22 16:53:51 -08:00

110 lines
3.1 KiB
Python

from __future__ import annotations
from typing import Any
import app.node_replace_manager
def register_node_replacement(node_replace: NodeReplace):
"""
Register node replacement.
"""
app.node_replace_manager.register_node_replacement(node_replace)
class NodeReplace:
"""
Defines a possible node replacement, mapping inputs and outputs of the old node to the new node.
Also supports assigning specific values to the input widgets of the new node.
"""
def __init__(self,
new_node_id: str,
old_node_id: str,
old_widget_ids: list[str] | None=None,
input_mapping: list[InputMap] | None=None,
output_mapping: list[OutputMap] | None=None,
):
self.new_node_id = new_node_id
self.old_node_id = old_node_id
self.old_widget_ids = old_widget_ids
self.input_mapping = input_mapping
self.output_mapping = output_mapping
def as_dict(self):
"""
Create serializable representation of the node replacement.
"""
return {
"new_node_id": self.new_node_id,
"old_node_id": self.old_node_id,
"old_widget_ids": self.old_widget_ids,
"input_mapping": [m.as_dict() for m in self.input_mapping] if self.input_mapping else None,
"output_mapping": [m.as_dict() for m in self.output_mapping] if self.output_mapping else None,
}
class InputMap:
"""
Map inputs of node replacement.
Use InputMap.OldId or InputMap.SetValue for mapping purposes.
"""
class _Assign:
def __init__(self, assign_type: str):
self.assign_type = assign_type
def as_dict(self):
return {
"assign_type": self.assign_type,
}
class OldId(_Assign):
"""
Connect the input of the old node with given id to new node when replacing.
"""
def __init__(self, old_id: str):
super().__init__("old_id")
self.old_id = old_id
def as_dict(self):
return super().as_dict() | {
"old_id": self.old_id,
}
class SetValue(_Assign):
"""
Use the given value for the input of the new node when replacing; assumes input is a widget.
"""
def __init__(self, value: Any):
super().__init__("set_value")
self.value = value
def as_dict(self):
return super().as_dict() | {
"value": self.value,
}
def __init__(self, new_id: str, assign: OldId | SetValue):
self.new_id = new_id
self.assign = assign
def as_dict(self):
return {
"new_id": self.new_id,
"assign": self.assign.as_dict(),
}
class OutputMap:
"""
Map outputs of node replacement via indexes, as that's how outputs are stored.
"""
def __init__(self, new_idx: int, old_idx: int):
self.new_idx = new_idx
self.old_idx = old_idx
def as_dict(self):
return {
"new_idx": self.new_idx,
"old_idx": self.old_idx,
}