import glob import os from typing import * from insightface.app.common import Face from safetensors.torch import save_file, safe_open import torch import modules.scripts as scripts from modules import scripts from scripts.faceswaplab_utils.faceswaplab_logging import logger from scripts.faceswaplab_utils.typing import * from scripts.faceswaplab_utils import imgutils from scripts.faceswaplab_postprocessing.postprocessing import enhance_image from scripts.faceswaplab_postprocessing.postprocessing_options import ( PostProcessingOptions, ) from scripts.faceswaplab_utils.models_utils import get_models from modules.shared import opts import traceback import dill as pickle # will be removed in future versions from scripts.faceswaplab_swapping import swapper from pprint import pformat import re def sanitize_name(name: str) -> str: """ Sanitize the input name by removing special characters and replacing spaces with underscores. Parameters: name (str): The input name to be sanitized. Returns: str: The sanitized name with special characters removed and spaces replaced by underscores. """ name = re.sub("[^A-Za-z0-9_. ]+", "", name) name = name.replace(" ", "_") return name[:255] def build_face_checkpoint_and_save( batch_files: List[str], name: str, overwrite: bool = False ) -> PILImage: """ Builds a face checkpoint using the provided image files, performs face swapping, and saves the result to a file. If a blended face is successfully obtained and the face swapping process succeeds, the resulting image is returned. Otherwise, None is returned. Args: batch_files (list): List of image file paths used to create the face checkpoint. name (str): The name assigned to the face checkpoint. Returns: PIL.PILImage or None: The resulting swapped face image if the process is successful; None otherwise. """ try: name = sanitize_name(name) batch_files = batch_files or [] logger.info("Build %s %s", name, [x for x in batch_files]) faces = swapper.get_faces_from_img_files(batch_files) blended_face = swapper.blend_faces(faces) preview_path = os.path.join( scripts.basedir(), "extensions", "sd-webui-faceswaplab", "references" ) reference_preview_img: PILImage = None if blended_face: if blended_face["gender"] == 0: reference_preview_img = Image.open( os.path.join(preview_path, "woman.png") ) else: reference_preview_img = Image.open( os.path.join(preview_path, "man.png") ) if name == "": name = "default_name" logger.debug("Face %s", pformat(blended_face)) target_face = swapper.get_or_default( swapper.get_faces(imgutils.pil_to_cv2(reference_preview_img)), 0, None ) if target_face is None: logger.error( "Failed to open reference image, cannot create preview : That should not happen unless you deleted the references folder or change the detection threshold." ) else: result = swapper.swap_face( reference_face=blended_face, target_faces=[target_face], source_face=blended_face, target_img=reference_preview_img, model=get_models()[0], upscaled_swapper=opts.data.get( "faceswaplab_upscaled_swapper", False ), ) preview_image = enhance_image( result.image, PostProcessingOptions( face_restorer_name="CodeFormer", restorer_visibility=1 ), ) file_path = os.path.join(get_checkpoint_path(), f"{name}.safetensors") if not overwrite: file_number = 1 while os.path.exists(file_path): file_path = os.path.join( get_checkpoint_path(), f"{name}_{file_number}.safetensors" ) file_number += 1 save_face(filename=file_path, face=blended_face) preview_image.save(file_path + ".png") try: data = load_face(file_path) logger.debug(data) except Exception as e: logger.error("Error loading checkpoint, after creation %s", e) traceback.print_exc() return preview_image else: logger.error("No face found") return None except Exception as e: logger.error("Failed to build checkpoint %s", e) traceback.print_exc() return None def save_face(face: Face, filename: str) -> None: try: tensors = { "embedding": torch.tensor(face["embedding"]), "gender": torch.tensor(face["gender"]), "age": torch.tensor(face["age"]), } save_file(tensors, filename) except Exception as e: traceback.print_exc logger.error("Failed to save checkpoint %s", e) raise e def load_face(name: str) -> Face: filename = matching_checkpoint(name) if filename is None: return None if filename.endswith(".pkl"): logger.warning( "Pkl files for faces are deprecated to enhance safety, they will be unsupported in future versions." ) logger.warning("The file will be converted to .safetensors") logger.warning( "You can also use this script https://gist.github.com/glucauze/4a3c458541f2278ad801f6625e5b9d3d" ) with open(filename, "rb") as file: logger.info("Load pkl") face = Face(pickle.load(file)) logger.warning( "Convert to safetensors, you can remove the pkl version once you have ensured that the safetensor is working" ) save_face(face, filename.replace(".pkl", ".safetensors")) return face elif filename.endswith(".safetensors"): face = {} with safe_open(filename, framework="pt", device="cpu") as f: for k in f.keys(): logger.debug("load key %s", k) face[k] = f.get_tensor(k).numpy() return Face(face) raise NotImplementedError("Unknown file type, face extraction not implemented") def get_checkpoint_path() -> str: checkpoint_path = os.path.join(scripts.basedir(), "models", "faceswaplab", "faces") os.makedirs(checkpoint_path, exist_ok=True) return checkpoint_path def matching_checkpoint(name: str) -> Optional[str]: """ Retrieve the full path of a checkpoint file matching the given name. If the name already includes a path separator, it is returned as-is. Otherwise, the function looks for a matching file with the extensions ".safetensors" or ".pkl" in the checkpoint directory. Args: name (str): The name or path of the checkpoint file. Returns: Optional[str]: The full path of the matching checkpoint file, or None if no match is found. """ # If the name already includes a path separator, return it as is if os.path.sep in name: return name # If the name doesn't end with the specified extensions, look for a matching file if not (name.endswith(".safetensors") or name.endswith(".pkl")): # Try appending each extension and check if the file exists in the checkpoint path for ext in [".safetensors", ".pkl"]: full_path = os.path.join(get_checkpoint_path(), name + ext) if os.path.exists(full_path): return full_path # If no matching file is found, return None return None # If the name already ends with the specified extensions, simply complete the path return os.path.join(get_checkpoint_path(), name) def get_face_checkpoints() -> List[str]: """ Retrieve a list of face checkpoint paths. This function searches for face files with the extension ".safetensors" in the specified directory and returns a list containing the paths of those files. Returns: list: A list of face paths, including the string "None" as the first element. """ faces_path = os.path.join(get_checkpoint_path(), "*.safetensors") faces = glob.glob(faces_path) faces_path = os.path.join(get_checkpoint_path(), "*.pkl") faces += glob.glob(faces_path) return ["None"] + [os.path.basename(face) for face in sorted(faces)]