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| import os | |
| import os.path as osp | |
| import cv2 | |
| import numpy as np | |
| import torch | |
| from basicsr.utils import img2tensor, tensor2img | |
| from pytorch_lightning import seed_everything | |
| from ldm.models.diffusion.plms import PLMSSampler | |
| from ldm.modules.encoders.adapter import Adapter | |
| from ldm.util import instantiate_from_config | |
| from model_edge import pidinet | |
| import gradio as gr | |
| from omegaconf import OmegaConf | |
| import pathlib | |
| import random | |
| import shlex | |
| import subprocess | |
| import sys | |
| sys.path.append('T2I-Adapter') | |
| config_path = 'https://github.com/TencentARC/T2I-Adapter/raw/main/configs/stable-diffusion/' | |
| model_path = 'https://github.com/TencentARC/T2I-Adapter/raw/main/models/' | |
| def load_model_from_config(config, ckpt, verbose=False): | |
| print(f"Loading model from {ckpt}") | |
| pl_sd = torch.load(ckpt, map_location="cpu") | |
| if "global_step" in pl_sd: | |
| print(f"Global Step: {pl_sd['global_step']}") | |
| if "state_dict" in pl_sd: | |
| sd = pl_sd["state_dict"] | |
| else: | |
| sd = pl_sd | |
| model = instantiate_from_config(config.model) | |
| m, u = model.load_state_dict(sd, strict=False) | |
| # if len(m) > 0 and verbose: | |
| # print("missing keys:") | |
| # print(m) | |
| # if len(u) > 0 and verbose: | |
| # print("unexpected keys:") | |
| # print(u) | |
| model.cuda() | |
| model.eval() | |
| return model | |
| class Model: | |
| def __init__(self, | |
| model_config_path: str = 'ControlNet/models/cldm_v15.yaml', | |
| model_dir: str = 'models', | |
| use_lightweight: bool = True): | |
| self.device = torch.device( | |
| 'cuda:0' if torch.cuda.is_available() else 'cpu') | |
| self.model_dir = pathlib.Path(model_dir) | |
| self.download_models() | |
| def download_models(self) -> None: | |
| self.model_dir.mkdir(exist_ok=True, parents=True) | |
| device = 'cuda' | |
| config = OmegaConf.load("configs/stable-diffusion/test_sketch.yaml) | |
| config.model.params.cond_stage_config.params.device = device | |
| base_model_file = "https://huggingface.co/CompVis/stable-diffusion-v-1-4-original/resolve/main/sd-v1-4.ckpt" | |
| sketch_adapter_file = "https://huggingface.co/TencentARC/T2I-Adapter/resolve/main/models/t2iadapter_sketch_sd14v1.pth" | |
| pidinet_file = model_path+"table5_pidinet.pth" | |
| clip_file = "https://huggingface.co/openai/clip-vit-large-patch14/resolve/main/*" | |
| subprocess.run(shlex.split(f'wget {base_model_file} -O models/sd-v1-4.ckpt')) | |
| subprocess.run(shlex.split(f'wget {sketch_adapter_file} -O models/t2iadapter_sketch_sd14v1.pth')) | |
| subprocess.run(shlex.split(f'wget {pidinet_file} -O models/table5_pidinet.pth')) | |
| model = load_model_from_config(config, "models/sd-v1-4.ckpt").to(device) | |
| current_base = 'sd-v1-4.ckpt' | |
| model_ad = Adapter(channels=[320, 640, 1280, 1280][:4], nums_rb=2, ksize=1, sk=True, use_conv=False).to(device) | |
| model_ad.load_state_dict(torch.load("models/t2iadapter_sketch_sd14v1.pth")) | |
| net_G = pidinet() | |
| ckp = torch.load('models/table5_pidinet.pth', map_location='cpu')['state_dict'] | |
| net_G.load_state_dict({k.replace('module.',''):v for k, v in ckp.items()}) | |
| net_G.to(device) | |
| sampler = PLMSSampler(model) | |
| save_memory=True | |
| @torch.inference_mode() | |
| def process_sketch(self, input_img, type_in, color_back, prompt, neg_prompt, fix_sample, scale, con_strength, base_model): | |
| global current_base | |
| if current_base != base_model: | |
| ckpt = os.path.join("models", base_model) | |
| pl_sd = torch.load(ckpt, map_location="cpu") | |
| if "state_dict" in pl_sd: | |
| sd = pl_sd["state_dict"] | |
| else: | |
| sd = pl_sd | |
| model.load_state_dict(sd, strict=False) #load_model_from_config(config, os.path.join("models", base_model)).to(device) | |
| current_base = base_model | |
| con_strength = int((1-con_strength)*50) | |
| if fix_sample == 'True': | |
| seed_everything(42) | |
| im = cv2.resize(input_img,(512,512)) | |
| if type_in == 'Sketch': | |
| # net_G = net_G.cpu() | |
| if color_back == 'White': | |
| im = 255-im | |
| im_edge = im.copy() | |
| im = img2tensor(im)[0].unsqueeze(0).unsqueeze(0)/255. | |
| # edge = 1-edge # for white background | |
| im = im>0.5 | |
| im = im.float() | |
| elif type_in == 'Image': | |
| im = img2tensor(im).unsqueeze(0)/255. | |
| im = net_G(im.to(device))[-1] | |
| im = im>0.5 | |
| im = im.float() | |
| im_edge = tensor2img(im) | |
| c = model.get_learned_conditioning([prompt]) | |
| nc = model.get_learned_conditioning([neg_prompt]) | |
| with torch.no_grad(): | |
| # extract condition features | |
| features_adapter = model_ad(im.to(device)) | |
| shape = [4, 64, 64] | |
| # sampling | |
| samples_ddim, _ = sampler.sample(S=50, | |
| conditioning=c, | |
| batch_size=1, | |
| shape=shape, | |
| verbose=False, | |
| unconditional_guidance_scale=scale, | |
| unconditional_conditioning=nc, | |
| eta=0.0, | |
| x_T=None, | |
| features_adapter1=features_adapter, | |
| mode = 'sketch', | |
| con_strength = con_strength) | |
| x_samples_ddim = model.decode_first_stage(samples_ddim) | |
| x_samples_ddim = torch.clamp((x_samples_ddim + 1.0) / 2.0, min=0.0, max=1.0) | |
| x_samples_ddim = x_samples_ddim.permute(0, 2, 3, 1).numpy()[0] | |
| x_samples_ddim = 255.*x_samples_ddim | |
| x_samples_ddim = x_samples_ddim.astype(np.uint8) | |
| return [im_edge, x_samples_ddim] | |