New SupersideImageRetouchNode: one-click retouch/clean-up of an image (skin, blemishes, imperfections) via fal's image-editing retouch model. No prompt needed - takes an image plus optional guidance_scale, num_inference_steps, lora_scale (retouch strength), seed, safety checker, and sync_mode; returns the retouched image. Verified end-to-end against the live fal API. Registered and documented in the README. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
124 lines
4.6 KiB
Python
124 lines
4.6 KiB
Python
import logging
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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 SupersideImageRetouchNode(
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SupersideFalNode, ImageProcessingMixin, APIClientMixin
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):
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"""
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Image Retouch Node: retouch/clean up an image (e.g. skin, blemishes,
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imperfections) using fal.ai's image-editing retouch model
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(endpoint "fal-ai/image-editing/retouch").
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Takes a single image and returns a retouched version. No prompt needed -
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the model applies its retouching pass automatically.
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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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"api_key": API_KEY_INPUT_SPEC,
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},
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"optional": {
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"guidance_scale": (
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"FLOAT",
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{"default": 3.5, "min": 0.0, "max": 20.0, "step": 0.1,
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"tooltip": "CFG scale - how strongly the model follows its retouch objective. Higher = stronger effect."},
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),
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"num_inference_steps": (
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"INT",
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{"default": 30, "min": 1, "max": 100,
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"tooltip": "Number of sampling steps. More steps = potentially cleaner result, slower."},
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),
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"lora_scale": (
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"FLOAT",
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{"default": 1.0, "min": 0.0, "max": 2.0, "step": 0.05,
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"tooltip": "Strength of the retouch LoRA. Lower = subtler retouch, higher = stronger."},
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),
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"seed": ("INT", {"default": -1, "min": -1, "max": 2147483647, "tooltip": "-1 = random"}),
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"enable_safety_checker": ("BOOLEAN", {"default": True}),
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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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"Retouch/clean up an image (skin, blemishes, imperfections) using "
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"fal.ai's image-editing retouch model (fal-ai/image-editing/retouch). "
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"No prompt needed - just connect an image."
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)
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def prepare_arguments(self, client, image, **kwargs):
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image_url = self.upload_image(client, image)
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arguments = {"image_url": image_url}
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if kwargs.get("guidance_scale") is not None:
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arguments["guidance_scale"] = kwargs["guidance_scale"]
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if kwargs.get("num_inference_steps") is not None:
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arguments["num_inference_steps"] = kwargs["num_inference_steps"]
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if kwargs.get("lora_scale") is not None:
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arguments["lora_scale"] = kwargs["lora_scale"]
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seed = kwargs.get("seed", -1)
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if seed is not None and seed != -1:
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arguments["seed"] = seed
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if kwargs.get("enable_safety_checker") is not None:
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arguments["enable_safety_checker"] = kwargs["enable_safety_checker"]
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if kwargs.get("sync_mode") is not None:
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arguments["sync_mode"] = kwargs["sync_mode"]
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return arguments
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def generate(self, image, 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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arguments = self.prepare_arguments(client, image, **kwargs)
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result = self.call_api(client, "fal-ai/image-editing/retouch", arguments)
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images = self.process_images(result)
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first_url = ""
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if isinstance(result.get("images"), list) and result["images"]:
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first_url = result["images"][0].get("url", "")
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info = first_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": (images[0], info)}
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except Exception as e:
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logger.error(f"Image retouch failed: {str(e)}")
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raise RuntimeError(f"Image retouch failed: {str(e)}") from e
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