import argparse import logging import os import os.path as osp import time import cv2 import matplotlib.pyplot as plt import numpy as np import torch import torch.nn as nn from basicsr.utils import (get_env_info, get_root_logger, get_time_str, img2tensor, scandir, tensor2img) from basicsr.utils.options import copy_opt_file, dict2str from omegaconf import OmegaConf from PIL import Image from pytorch_lightning import seed_everything from dataset_coco import dataset_coco, dataset_coco_mask_color_sig from dist_util import get_bare_model, init_dist, master_only from ldm.models.diffusion.ddim import DDIMSampler from ldm.models.diffusion.dpm_solver import DPMSolverSampler from ldm.models.diffusion.plms import PLMSSampler from ldm.modules.encoders.adapter import Adapter from ldm.util import instantiate_from_config 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']}") sd = pl_sd["state_dict"] 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 @master_only def mkdir_and_rename(path): """mkdirs. If path exists, rename it with timestamp and create a new one. Args: path (str): Folder path. """ if osp.exists(path): new_name = path + '_archived_' + get_time_str() print(f'Path already exists. Rename it to {new_name}', flush=True) os.rename(path, new_name) os.makedirs(path, exist_ok=True) os.makedirs(osp.join(experiments_root, 'models')) os.makedirs(osp.join(experiments_root, 'training_states')) os.makedirs(osp.join(experiments_root, 'visualization')) def load_resume_state(opt): resume_state_path = None if opt.auto_resume: state_path = osp.join('experiments', opt.name, 'training_states') if osp.isdir(state_path): states = list(scandir(state_path, suffix='state', recursive=False, full_path=False)) if len(states) != 0: states = [float(v.split('.state')[0]) for v in states] resume_state_path = osp.join(state_path, f'{max(states):.0f}.state') opt.resume_state_path = resume_state_path if resume_state_path is None: resume_state = None else: device_id = torch.cuda.current_device() resume_state = torch.load(resume_state_path, map_location=lambda storage, loc: storage.cuda(device_id)) return resume_state parser = argparse.ArgumentParser() parser.add_argument( "--prompt", type=str, nargs="?", default="A white cat" ) parser.add_argument( "--neg_prompt", type=str, default="ugly, tiling, poorly drawn hands, poorly drawn feet, poorly drawn face, out of frame, extra limbs, disfigured, deformed, body out of frame, bad anatomy, watermark, signature, cut off, low contrast, underexposed, overexposed, bad art, beginner, amateur, distorted face" ) parser.add_argument( "--path_cond", type=str, default="examples/edit_cat/edge_2.png" ) parser.add_argument( "--path_x0", type=str, default="examples/edit_cat/im.png" ) parser.add_argument( "--path_mask", type=str, default="examples/edit_cat/mask.png" ) parser.add_argument( "--bsize", type=int, default=8, help="the prompt to render" ) parser.add_argument( "--epochs", type=int, default=10000, help="the prompt to render" ) parser.add_argument( "--device", type=str, default="cuda" ) parser.add_argument( "--num_workers", type=int, default=8, help="the prompt to render" ) parser.add_argument( "--use_shuffle", type=bool, default=True, help="the prompt to render" ) parser.add_argument( "--dpm_solver", action='store_true', help="use dpm_solver sampling", ) parser.add_argument( "--plms", action='store_true', help="use plms sampling", ) parser.add_argument( "--auto_resume", action='store_true', help="use plms sampling", ) parser.add_argument( "--ckpt", type=str, default="models/sd-v1-4.ckpt", help="path to checkpoint of model", ) parser.add_argument( "--ckpt_ad", type=str, default="models/t2iadapter_sketch_sd14v1.pth" ) parser.add_argument( "--config", type=str, default="configs/stable-diffusion/test_sketch_edit.yaml", help="path to config which constructs model", ) parser.add_argument( "--print_fq", type=int, default=100, help="path to config which constructs model", ) parser.add_argument( "--H", type=int, default=512, help="image height, in pixel space", ) parser.add_argument( "--W", type=int, default=512, help="image width, in pixel space", ) parser.add_argument( "--C", type=int, default=4, help="latent channels", ) parser.add_argument( "--f", type=int, default=8, help="downsampling factor", ) parser.add_argument( "--ddim_steps", type=int, default=50, help="number of ddim sampling steps", ) parser.add_argument( "--n_samples", type=int, default=10, help="how many samples to produce for each given prompt. A.k.a. batch size", ) parser.add_argument( "--ddim_eta", type=float, default=0.0, help="ddim eta (eta=0.0 corresponds to deterministic sampling", ) parser.add_argument( "--scale", type=float, default=7.5, help="unconditional guidance scale: eps = eps(x, empty) + scale * (eps(x, cond) - eps(x, empty))", ) parser.add_argument( "--gpus", default=[0,1,2,3], help="gpu idx", ) parser.add_argument( '--local_rank', default=-1, type=int, help='node rank for distributed training' ) parser.add_argument( '--launcher', default='pytorch', type=str, help='node rank for distributed training' ) opt = parser.parse_args() if __name__ == '__main__': # seed_everything(42) config = OmegaConf.load(f"{opt.config}") opt.name = config['name'] device = opt.device # stable diffusion model = load_model_from_config(config, f"{opt.ckpt}").to(device) # Adaptor 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(opt.ckpt_ad)) experiments_root = osp.join('experiments', opt.name) # resume state resume_state = load_resume_state(opt) if resume_state is None: mkdir_and_rename(experiments_root) # copy the yml file to the experiment root copy_opt_file(opt.config, experiments_root) # WARNING: should not use get_root_logger in the above codes, including the called functions # Otherwise the logger will not be properly initialized log_file = osp.join(experiments_root, f"train_{opt.name}_{get_time_str()}.log") logger = get_root_logger(logger_name='basicsr', log_level=logging.INFO, log_file=log_file) logger.info(get_env_info()) logger.info(dict2str(config)) for v_idx in range(opt.n_samples): with torch.no_grad(): if opt.dpm_solver: sampler = DPMSolverSampler(model) elif opt.plms: sampler = PLMSSampler(model) else: sampler = DDIMSampler(model) c = model.get_learned_conditioning([opt.prompt]) # costumer input edge = cv2.imread(opt.path_cond) edge = cv2.resize(edge,(512,512)) edge = img2tensor(edge)[0].unsqueeze(0).unsqueeze(0)/255. # edge = 1-edge # for white background edge = edge>0.5 edge = edge.float() im_edge = tensor2img(edge) cv2.imwrite(os.path.join(experiments_root, 'visualization', 'edge_idx%04d.png'%(v_idx)), im_edge) features_adapter = model_ad(edge.to(device)) # latent of original image x0 = cv2.imread(opt.path_x0) x0 = img2tensor(x0).unsqueeze(0)/255. x0 = model.encode_first_stage((x0.to(device)*2-1.).cuda(non_blocking=True)) x0 = model.get_first_stage_encoding(x0) # inpainting mask mask = cv2.imread(opt.path_mask) mask = cv2.resize(mask, (64, 64)) mask = 1 - img2tensor(mask).unsqueeze(0)/255. mask = mask>0.5 mask = mask.float()[:,0:1,:,:].to(device) shape = [opt.C, opt.H // opt.f, opt.W // opt.f] samples_ddim, _ = sampler.sample(S=opt.ddim_steps, conditioning=c, mask=mask, x0=x0.to(device), batch_size=1, shape=shape, verbose=False, unconditional_guidance_scale=opt.scale, unconditional_conditioning=model.get_learned_conditioning([opt.neg_prompt]), eta=opt.ddim_eta, x_T=None, features_adapter1=features_adapter ) 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.cpu().permute(0, 2, 3, 1).numpy() for id_sample, x_sample in enumerate(x_samples_ddim): x_sample = 255.*x_sample img = x_sample.astype(np.uint8) cv2.imwrite(os.path.join(experiments_root, 'visualization', 'sample_idx%04d_s%04d.png'%(v_idx, id_sample)), img[:,:,::-1])