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BetaDoggo-ComfyUI-FastSDCPU/nodes.py
T

139 lines
5.3 KiB
Python

import json
import requests
import base64
import torch
import numpy as np
from io import BytesIO
from PIL import Image
class fastsdcpu:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"prompt": ("STRING", {"multiline": True,}),
"negative_prompt": ("STRING", {"multiline": True,}),
"width": (["256","512","768","1024",],),
"height": (["256","512","768","1024",],),
"steps": ("INT", {"default": 1, "min": 1, "max": 50}),
"cfg": ("FLOAT", {"default": 1, "min": 1, "max": 20, "step": 0.5,}),
"seed": ("INT", {"default": 1337, "min": 1, "max": 16777215}),
"clip_skip": ("INT", {"default": 1, "min": 1, "max": 5}),
"use_taesd": ("BOOLEAN", {"default": True},),
"token_merging": ("FLOAT", {"default": 0, "min": 0, "max": 1, "step": 0.1,}),
"endpoint": ("STRING", {"default": "http://localhost:8000",}),
},
"optional": {
"openvino_model": ("STRING",),
"lcm_model": ("STRING",),
"i2i_strength": ("FLOAT", {"default": 0.75, "min": 0, "max": 1, "step": 0.01,}),
"image": ("IMAGE",),
}
}
RETURN_TYPES = ("IMAGE","STRING",)
FUNCTION = "generate"
CATEGORY = "fastsdcpu"
def generate(self, prompt, negative_prompt, width, height, steps, cfg, seed, clip_skip, use_taesd, token_merging, endpoint, openvino_model=None, lcm_model=None, i2i_strength=None, image=None):
#main args
body = {
#"use_offline_model": False,
#"use_lcm_lora": False,
#"lcm_lora": {
# "base_model_id": "Lykon/dreamshaper-8",
# "lcm_lora_id": "latent-consistency/lcm-lora-sdv1-5"
#},
"openvino_lcm_model_id": "filler", #an input is required even if it's not used
"use_tiny_auto_encoder": use_taesd,
"prompt": prompt,
"negative_prompt": negative_prompt,
"image_height": height,
"image_width": width,
"inference_steps": steps,
"guidance_scale": cfg,
"clip_skip": clip_skip,
"token_merging": token_merging,
"number_of_images": 1,
"seed": seed,
"use_seed": True,
"diffusion_task": "text_to_image",
"rebuild_pipeline": False
}
#enable i2i
if image is not None:
image_np = 255. * image.cpu().numpy().squeeze()
image_np = np.clip(image_np, 0, 255).astype(np.uint8)
img_pil = Image.fromarray(image_np)
buffer = BytesIO()
img_pil.save(buffer, format='JPEG')
img_b64 = base64.b64encode(buffer.getvalue()).decode('utf-8')
image_params = {
"init_image": img_b64,
"strength": i2i_strength,
"diffusion_task": "image_to_image",
}
body.update(image_params)
#select model type
if openvino_model is not None and not "":
models = {
"use_openvino": True,
"openvino_lcm_model_id": openvino_model,
}
else:
models = {
"use_openvino": False,
"lcm_model_id": lcm_model,
}
body.update(models)
print("Request: \n" + str(body))
response = requests.post(endpoint + "/api/generate", data=json.dumps(body),)
#print(response.text)
image = Image.open(BytesIO(base64.b64decode(response.json()['images'][0])))
image = np.array(image).astype(np.float32) / 255.0
image = torch.from_numpy(image)[None,]
return (image,str(response.json()['latency']) + " Seconds",)
class fastsdcpu_vino_models:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"model": (["Disty0/LCM_SoteMix","rupeshs/sd-turbo-openvino","rupeshs/sdxs-512-0.9-openvino","rupeshs/hyper-sd-sdxl-1-step-openvino-int8","rupeshs/SDXL-Lightning-2steps-openvino-int8","rupeshs/sdxl-turbo-openvino-int8","rupeshs/LCM-dreamshaper-v7-openvino","rupeshs/FLUX.1-schnell-openvino-int4","rupeshs/sd15-lcm-square-openvino-int8",],),
},
}
RETURN_TYPES = ("STRING",)
FUNCTION = "choose"
CATEGORY = "fastsdcpu"
def choose(self, model):
return (model,)
class fastsdcpu_lcm_models:
@classmethod
def INPUT_TYPES(cls):
return {
"required": {
"model": (["stabilityai/sd-turbo","rupeshs/sdxs-512-0.9-orig-vae","rupeshs/hyper-sd-sdxl-1-step","rupeshs/SDXL-Lightning-2steps","stabilityai/sdxl-turbo","SimianLuo/LCM_Dreamshaper_v7","latent-consistency/lcm-sdxl","latent-consistency/lcm-ssd-1b",],),
},
}
RETURN_TYPES = ("STRING",)
FUNCTION = "choose"
CATEGORY = "fastsdcpu"
def choose(self, model):
return (model,)
NODE_CLASS_MAPPINGS = {
"fastsdcpu": fastsdcpu,
"fastsdcpu_vino_models": fastsdcpu_vino_models,
"fastsdcpu_lcm_models": fastsdcpu_lcm_models,
}
NODE_DISPLAY_NAME_MAPPINGS = {
"fastsdcpu": "fastsdcpu",
"fastsdcpu_vino_models": "fastsdcpu_vino_models",
"fastsdcpu_lcm_models": "fastsdcpu_lcm_models",
}