Superside ComfyUI Nodes
df2c9c0beb
Root cause of nodes not appearing in ComfyUI: this package's node classes originally reused the exact same class names as the internal fal-flux-nodes package it was migrated from (e.g. NanoBananaProEditNode, SeedreamV45EditNode). ComfyUI's NODE_CLASS_MAPPINGS is a flat global dict - when both packages are installed, whichever loads first wins and the other's registration for that key is silently dropped, which is why none of the "Superside "-prefixed nodes were showing up. Every class is now uniquely prefixed (e.g. SupersideNanoBananaProEditNode), so this package can never collide with fal-flux-nodes, ComfyUI-fal-API, or any other node pack regardless of install order. Updated __init__.py, web/js/show_text.js's TEXT_DISPLAY_NODES list, and README.md to match.
138 lines
5.1 KiB
Python
138 lines
5.1 KiB
Python
import io
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import logging
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import numpy as np
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import torch
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from PIL import Image, ImageFilter
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from .base_node import (
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SupersideFalNode,
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ImageProcessingMixin,
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APIClientMixin,
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API_KEY_INPUT_SPEC,
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)
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logger = logging.getLogger(__name__)
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class SupersideBriaBackgroundStandardizerNode(
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SupersideFalNode, ImageProcessingMixin, APIClientMixin
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):
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"""
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Bria Background Standardizer Node: Cut out the subject with
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fal-ai/bria/background/remove, then composite it locally onto a solid
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hex-color canvas.
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Unlike prompt-driven background replacement, this node never regenerates
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the subject. The cutout is pixel-identical to the source, and the
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background is an exact hex color instead of a diffusion model's
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interpretation of a color description - this makes it suitable for
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batch-homogenizing avatar backgrounds without any quality drift.
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"""
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"image": ("IMAGE",),
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"hex_color": (
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"STRING",
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{
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"default": "#FFFFFF",
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"placeholder": "#RRGGBB (e.g. #F5F5F5)",
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},
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),
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"api_key": API_KEY_INPUT_SPEC,
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},
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"optional": {
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"edge_feather": (
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"INT",
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{
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"default": 0,
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"min": 0,
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"max": 15,
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"tooltip": "Softens the cutout edge by this many pixels to avoid a jagged silhouette. 0 = pixel-perfect edge, no softening.",
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},
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),
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"sync_mode": ("BOOLEAN", {"default": False}),
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},
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"hidden": {
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"unique_id": "UNIQUE_ID",
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"extra_pnginfo": "EXTRA_PNGINFO",
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},
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}
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RETURN_TYPES = ("IMAGE", "STRING")
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RETURN_NAMES = ("image", "info")
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FUNCTION = "generate"
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OUTPUT_NODE = True
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DESCRIPTION = (
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"Standardize an avatar's background to an exact hex color. Removes the "
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"background with Bria RMBG 2.0 (fal-ai/bria/background/remove) and "
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"composites the untouched subject onto a solid color locally - the "
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"subject is never regenerated, only the background pixels change."
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)
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@staticmethod
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def _parse_hex_color(hex_color):
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value = hex_color.strip().lstrip("#")
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if len(value) == 3:
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value = "".join(ch * 2 for ch in value)
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if len(value) != 6 or any(ch not in "0123456789abcdefABCDEF" for ch in value):
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raise ValueError(
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f"Invalid hex_color '{hex_color}'. Use a format like '#FFFFFF' or '#FFF'."
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)
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return tuple(int(value[i : i + 2], 16) for i in (0, 2, 4))
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def generate(self, image, hex_color, api_key, unique_id=None, extra_pnginfo=None, **kwargs):
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try:
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client = self.get_client(api_key)
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rgb = self._parse_hex_color(hex_color)
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image_url = self.upload_image(client, image)
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arguments = {
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"image_url": image_url,
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"sync_mode": kwargs.get("sync_mode", False),
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}
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result = self.call_api(client, "fal-ai/bria/background/remove", arguments)
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cutout_data = result.get("image")
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if not isinstance(cutout_data, dict) or "url" not in cutout_data:
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raise RuntimeError("No cutout image was returned by the background removal API.")
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cutout_url = cutout_data["url"]
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cutout_bytes = self._load_image_bytes_from_url(cutout_url)
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cutout = Image.open(io.BytesIO(cutout_bytes)).convert("RGBA")
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edge_feather = kwargs.get("edge_feather", 0)
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if edge_feather:
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alpha = cutout.split()[-1].filter(ImageFilter.GaussianBlur(edge_feather))
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cutout.putalpha(alpha)
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background = Image.new("RGBA", cutout.size, rgb + (255,))
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composed = Image.alpha_composite(background, cutout).convert("RGB")
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img_np = np.array(composed).astype(np.float32) / 255.0
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img_tensor = torch.from_numpy(img_np).unsqueeze(0)
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info = f"background=#{''.join(f'{c:02X}' for c in rgb)}; source_cutout={cutout_url}"
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if unique_id is not None and extra_pnginfo is not None:
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if (
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isinstance(extra_pnginfo, list)
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and isinstance(extra_pnginfo[0], dict)
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and "workflow" in extra_pnginfo[0]
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):
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workflow = extra_pnginfo[0]["workflow"]
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node = next(
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(x for x in workflow["nodes"] if str(x["id"]) == str(unique_id)),
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None,
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)
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if node:
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node["widgets_values"] = [info]
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return {"ui": {"text": [info]}, "result": (img_tensor, info)}
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except Exception as e:
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logger.error(f"Bria background standardizer failed: {str(e)}")
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raise RuntimeError(f"Bria background standardizer failed: {str(e)}") from e
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