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| from PIL import Image | |
| import PIL.Image | |
| import cv2 | |
| import torch | |
| from loguru import logger | |
| from ..base import DiffusionInpaintModel | |
| from ..helper.cpu_text_encoder import CPUTextEncoderWrapper | |
| from ..utils import ( | |
| handle_from_pretrained_exceptions, | |
| get_torch_dtype, | |
| enable_low_mem, | |
| is_local_files_only, | |
| ) | |
| from iopaint.schema import InpaintRequest | |
| from .powerpaint_tokenizer import add_task_to_prompt | |
| from ...const import POWERPAINT_NAME | |
| class PowerPaint(DiffusionInpaintModel): | |
| name = POWERPAINT_NAME | |
| pad_mod = 8 | |
| min_size = 512 | |
| lcm_lora_id = "latent-consistency/lcm-lora-sdv1-5" | |
| def init_model(self, device: torch.device, **kwargs): | |
| from .pipeline_powerpaint import StableDiffusionInpaintPipeline | |
| from .powerpaint_tokenizer import PowerPaintTokenizer | |
| use_gpu, torch_dtype = get_torch_dtype(device, kwargs.get("no_half", False)) | |
| model_kwargs = {"local_files_only": is_local_files_only(**kwargs)} | |
| if kwargs["disable_nsfw"] or kwargs.get("cpu_offload", False): | |
| logger.info("Disable Stable Diffusion Model NSFW checker") | |
| model_kwargs.update( | |
| dict( | |
| safety_checker=None, | |
| feature_extractor=None, | |
| requires_safety_checker=False, | |
| ) | |
| ) | |
| self.model = handle_from_pretrained_exceptions( | |
| StableDiffusionInpaintPipeline.from_pretrained, | |
| pretrained_model_name_or_path=self.name, | |
| variant="fp16", | |
| torch_dtype=torch_dtype, | |
| **model_kwargs, | |
| ) | |
| self.model.tokenizer = PowerPaintTokenizer(self.model.tokenizer) | |
| enable_low_mem(self.model, kwargs.get("low_mem", False)) | |
| if kwargs.get("cpu_offload", False) and use_gpu: | |
| logger.info("Enable sequential cpu offload") | |
| self.model.enable_sequential_cpu_offload(gpu_id=0) | |
| else: | |
| self.model = self.model.to(device) | |
| if kwargs["sd_cpu_textencoder"]: | |
| logger.info("Run Stable Diffusion TextEncoder on CPU") | |
| self.model.text_encoder = CPUTextEncoderWrapper( | |
| self.model.text_encoder, torch_dtype | |
| ) | |
| self.callback = kwargs.pop("callback", None) | |
| def forward(self, image, mask, config: InpaintRequest): | |
| """Input image and output image have same size | |
| image: [H, W, C] RGB | |
| mask: [H, W, 1] 255 means area to repaint | |
| return: BGR IMAGE | |
| """ | |
| self.set_scheduler(config) | |
| img_h, img_w = image.shape[:2] | |
| promptA, promptB, negative_promptA, negative_promptB = add_task_to_prompt( | |
| config.prompt, config.negative_prompt, config.powerpaint_task | |
| ) | |
| output = self.model( | |
| image=PIL.Image.fromarray(image), | |
| promptA=promptA, | |
| promptB=promptB, | |
| tradoff=config.fitting_degree, | |
| tradoff_nag=config.fitting_degree, | |
| negative_promptA=negative_promptA, | |
| negative_promptB=negative_promptB, | |
| mask_image=PIL.Image.fromarray(mask[:, :, -1], mode="L"), | |
| num_inference_steps=config.sd_steps, | |
| strength=config.sd_strength, | |
| guidance_scale=config.sd_guidance_scale, | |
| output_type="np", | |
| callback=self.callback, | |
| height=img_h, | |
| width=img_w, | |
| generator=torch.manual_seed(config.sd_seed), | |
| callback_steps=1, | |
| ).images[0] | |
| output = (output * 255).round().astype("uint8") | |
| output = cv2.cvtColor(output, cv2.COLOR_RGB2BGR) | |
| return output | |