ComfyUI/comfy_extras/nodes_image_compare.py
Christian Byrne 593be209a4
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feat: add essentials_category to nodes and blueprints for Essentials tab (#12573)
* feat: add essentials_category to nodes and blueprints for Essentials tab

Add ESSENTIALS_CATEGORY or essentials_category to 12 node classes and all
36 blueprint JSONs. Update SubgraphEntry TypedDict and subgraph_manager to
extract and pass through the field.

Fixes COM-15221

Amp-Thread-ID: https://ampcode.com/threads/T-019c83de-f7ab-7779-a451-0ba5940b56a9

* fix: import NotRequired from typing_extensions for Python 3.10 compat

* refactor: keep only node class ESSENTIALS_CATEGORY, remove blueprint/subgraph changes

Frontend will own blueprint categorization separately.

* fix: remove essentials_category from CreateVideo (not in spec)

---------

Co-authored-by: guill <jacob.e.segal@gmail.com>
2026-03-15 16:18:04 -07:00

55 lines
1.6 KiB
Python

import nodes
from typing_extensions import override
from comfy_api.latest import IO, ComfyExtension
class ImageCompare(IO.ComfyNode):
"""Compares two images with a slider interface."""
@classmethod
def define_schema(cls):
return IO.Schema(
node_id="ImageCompare",
display_name="Image Compare",
description="Compares two images side by side with a slider.",
category="image",
essentials_category="Image Tools",
is_experimental=True,
is_output_node=True,
inputs=[
IO.Image.Input("image_a", optional=True),
IO.Image.Input("image_b", optional=True),
IO.ImageCompare.Input("compare_view"),
],
outputs=[],
)
@classmethod
def execute(cls, image_a=None, image_b=None, compare_view=None) -> IO.NodeOutput:
result = {"a_images": [], "b_images": []}
preview_node = nodes.PreviewImage()
if image_a is not None and len(image_a) > 0:
saved = preview_node.save_images(image_a, "comfy.compare.a")
result["a_images"] = saved["ui"]["images"]
if image_b is not None and len(image_b) > 0:
saved = preview_node.save_images(image_b, "comfy.compare.b")
result["b_images"] = saved["ui"]["images"]
return IO.NodeOutput(ui=result)
class ImageCompareExtension(ComfyExtension):
@override
async def get_node_list(self) -> list[type[IO.ComfyNode]]:
return [
ImageCompare,
]
async def comfy_entrypoint() -> ImageCompareExtension:
return ImageCompareExtension()