import os import sys import traceback from basicsr.utils.download_util import load_file_from_url from modules.upscaler import Upscaler, UpscalerData from modules.ldsr_model_arch import LDSR from modules import shared from modules.paths import models_path class UpscalerLDSR(Upscaler): def __init__(self, user_path): self.name = "LDSR" self.model_path = os.path.join(models_path, self.name) self.user_path = user_path self.model_url = "https://heibox.uni-heidelberg.de/f/578df07c8fc04ffbadf3/?dl=1" self.yaml_url = "https://heibox.uni-heidelberg.de/f/31a76b13ea27482981b4/?dl=1" super().__init__() scaler_data = UpscalerData("LDSR", None, self) self.scalers = [scaler_data] def load_model(self, path: str): model = load_file_from_url(url=self.model_url, model_dir=self.model_path, file_name="model.pth", progress=True) yaml = load_file_from_url(url=self.model_url, model_dir=self.model_path, file_name="project.yaml", progress=True) try: return LDSR(model, yaml) except Exception: print("Error importing LDSR:", file=sys.stderr) print(traceback.format_exc(), file=sys.stderr) return None def do_upscale(self, img, path): ldsr = self.load_model(path) if ldsr is None: print("NO LDSR!") return img ddim_steps = shared.opts.ldsr_steps pre_scale = shared.opts.ldsr_pre_down return ldsr.super_resolution(img, ddim_steps, self.scale)