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ComfyUI/custom_nodes/controlaltai-nodes/flux_sampler_node.py
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Add custom nodes, Civitai loras (LFS), and vast.ai setup script
Includes 30 custom nodes committed directly, 7 Civitai-exclusive
loras stored via Git LFS, and a setup script that installs all
dependencies and downloads HuggingFace-hosted models on vast.ai.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-09 00:56:42 +00:00

66 lines
2.4 KiB
Python

import comfy.samplers
import torch
import comfy.sample
import latent_preview
FLUX_SAMPLER_NAMES = [
"euler", "heun", "heunpp2", "dpm_2", "lms", "dpm_adaptive", "dpmpp_2s_ancestral", "dpmpp_2m",
"ipndm", "ipndm_v", "deis", "ddim", "uni_pc", "uni_pc_bh2"
]
FLUX_SCHEDULER_NAMES = ["simple", "normal", "sgm_uniform", "ddim_uniform", "beta"]
class FluxSampler:
@classmethod
def INPUT_TYPES(s):
return {
"required": {
"model": ("MODEL",),
"conditioning": ("CONDITIONING",),
"latent_image": ("LATENT",),
"sampler_name": (FLUX_SAMPLER_NAMES, {"default": "euler"}),
"scheduler": (FLUX_SCHEDULER_NAMES, {"default": "beta"}),
"steps": ("INT", {"default": 30, "min": 1, "max": 10000}),
"denoise": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01}),
"noise_seed": ("INT", {"default": 143220275975594, "min": 0, "max": 0xffffffffffffffff}),
}
}
RETURN_TYPES = ("LATENT",)
RETURN_NAMES = ("latent",)
FUNCTION = "sample"
CATEGORY = "ControlAltAI Nodes/Flux"
def sample(self, model, conditioning, latent_image, sampler_name, scheduler, steps, denoise, noise_seed):
device = comfy.model_management.get_torch_device()
sampler = comfy.samplers.KSampler(model, steps=steps, device=device, sampler=sampler_name, scheduler=scheduler, denoise=denoise)
latent = latent_image.copy()
latent_image = latent["samples"]
# Handle noise_mask if present
noise_mask = latent.get("noise_mask", None)
noise = comfy.sample.prepare_noise(latent_image, noise_seed)
positive = conditioning
negative = [] # Empty list for negative conditioning
callback = latent_preview.prepare_callback(model, steps)
disable_pbar = not comfy.utils.PROGRESS_BAR_ENABLED
samples = sampler.sample(noise, positive, negative, cfg=1.0, latent_image=latent_image,
force_full_denoise=True, denoise_mask=noise_mask, callback=callback,
disable_pbar=disable_pbar, seed=noise_seed)
out = latent.copy()
out["samples"] = samples
return (out,)
NODE_CLASS_MAPPINGS = {
"FluxSampler": FluxSampler
}
NODE_DISPLAY_NAME_MAPPINGS = {
"FluxSampler": "Flux Sampler"
}