mirror of
https://github.com/comfyanonymous/ComfyUI.git
synced 2026-02-04 02:30:21 +08:00
238 lines
9.8 KiB
Python
238 lines
9.8 KiB
Python
from __future__ import annotations
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import os
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import base64
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import json
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import time
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import logging
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import requests
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import folder_paths
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import glob
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from tqdm.auto import tqdm
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import comfy.utils
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from aiohttp import web
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from PIL import Image
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from io import BytesIO
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from folder_paths import map_legacy, filter_files_extensions, filter_files_content_types
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class ModelFileManager:
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def __init__(self, is_download_model_enabled: lambda: bool= lambda: False) -> None:
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self.cache: dict[str, tuple[list[dict], dict[str, float], float]] = {}
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self.is_download_model_enabled = is_download_model_enabled
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def get_cache(self, key: str, default=None) -> tuple[list[dict], dict[str, float], float] | None:
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return self.cache.get(key, default)
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def set_cache(self, key: str, value: tuple[list[dict], dict[str, float], float]):
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self.cache[key] = value
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def clear_cache(self):
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self.cache.clear()
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def add_routes(self, routes):
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# NOTE: This is an experiment to replace `/models`
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@routes.get("/experiment/models")
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async def get_model_folders(request):
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model_types = list(folder_paths.folder_names_and_paths.keys())
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folder_black_list = ["configs", "custom_nodes"]
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output_folders: list[dict] = []
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for folder in model_types:
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if folder in folder_black_list:
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continue
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output_folders.append({"name": folder, "folders": folder_paths.get_folder_paths(folder)})
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return web.json_response(output_folders)
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# NOTE: This is an experiment to replace `/models/{folder}`
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@routes.get("/experiment/models/{folder}")
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async def get_all_models(request):
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folder = request.match_info.get("folder", None)
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if folder not in folder_paths.folder_names_and_paths:
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return web.Response(status=404)
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files = self.get_model_file_list(folder)
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return web.json_response(files)
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@routes.get("/experiment/models/preview/{folder}/{path_index}/{filename:.*}")
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async def get_model_preview(request):
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folder_name = request.match_info.get("folder", None)
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path_index = int(request.match_info.get("path_index", None))
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filename = request.match_info.get("filename", None)
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if folder_name not in folder_paths.folder_names_and_paths:
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return web.Response(status=404)
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folders = folder_paths.folder_names_and_paths[folder_name]
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folder = folders[0][path_index]
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full_filename = os.path.join(folder, filename)
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previews = self.get_model_previews(full_filename)
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default_preview = previews[0] if len(previews) > 0 else None
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if default_preview is None or (isinstance(default_preview, str) and not os.path.isfile(default_preview)):
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return web.Response(status=404)
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try:
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with Image.open(default_preview) as img:
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img_bytes = BytesIO()
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img.save(img_bytes, format="WEBP")
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img_bytes.seek(0)
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return web.Response(body=img_bytes.getvalue(), content_type="image/webp")
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except:
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return web.Response(status=404)
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@routes.post("/download_model")
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async def post_download_model(request):
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if not self.is_download_model_enabled():
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logging.error("Download Model endpoint is disabled")
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return web.Response(status=403)
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json_data = await request.json()
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url = json_data.get("url", None)
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if url is None:
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logging.error("URL is not provided")
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return web.Response(status=401)
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save_dir = json_data.get("save_dir", None)
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if save_dir not in folder_paths.folder_names_and_paths:
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logging.error("Save directory is not valid")
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return web.Response(status=401)
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filename = json_data.get("filename", url.split("/")[-1])
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token = json_data.get("token", None)
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save_path = os.path.join(folder_paths.folder_names_and_paths[save_dir][0][0], filename)
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tmp_path = save_path + ".tmp"
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headers = {"Authorization": f"Bearer {token}"} if token else {}
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try:
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with requests.get(url, headers=headers,stream=True,timeout=10) as r:
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r.raise_for_status()
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total_size = int(r.headers.get('content-length', 0))
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with open(tmp_path, "wb") as f:
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with tqdm(total=total_size, unit='iB', unit_scale=True, desc=filename) as pbar:
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for chunk in r.iter_content(chunk_size=1024*1024):
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if not chunk:
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break
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size = f.write(chunk)
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pbar.update(size)
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os.rename(tmp_path, save_path)
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return web.Response(status=200)
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except Exception as e:
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logging.error(f"Failed to download model: {e}")
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if os.path.exists(tmp_path):
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os.remove(tmp_path)
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return web.Response(status=500)
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def get_model_file_list(self, folder_name: str):
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folder_name = map_legacy(folder_name)
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folders = folder_paths.folder_names_and_paths[folder_name]
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output_list: list[dict] = []
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for index, folder in enumerate(folders[0]):
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if not os.path.isdir(folder):
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continue
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out = self.cache_model_file_list_(folder)
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if out is None:
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out = self.recursive_search_models_(folder, index)
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self.set_cache(folder, out)
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output_list.extend(out[0])
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return output_list
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def cache_model_file_list_(self, folder: str):
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model_file_list_cache = self.get_cache(folder)
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if model_file_list_cache is None:
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return None
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if not os.path.isdir(folder):
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return None
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if os.path.getmtime(folder) != model_file_list_cache[1]:
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return None
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for x in model_file_list_cache[1]:
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time_modified = model_file_list_cache[1][x]
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folder = x
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if os.path.getmtime(folder) != time_modified:
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return None
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return model_file_list_cache
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def recursive_search_models_(self, directory: str, pathIndex: int) -> tuple[list[str], dict[str, float], float]:
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if not os.path.isdir(directory):
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return [], {}, time.perf_counter()
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excluded_dir_names = [".git"]
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# TODO use settings
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include_hidden_files = False
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result: list[str] = []
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dirs: dict[str, float] = {}
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for dirpath, subdirs, filenames in os.walk(directory, followlinks=True, topdown=True):
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subdirs[:] = [d for d in subdirs if d not in excluded_dir_names]
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if not include_hidden_files:
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subdirs[:] = [d for d in subdirs if not d.startswith(".")]
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filenames = [f for f in filenames if not f.startswith(".")]
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filenames = filter_files_extensions(filenames, folder_paths.supported_pt_extensions)
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for file_name in filenames:
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try:
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full_path = os.path.join(dirpath, file_name)
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relative_path = os.path.relpath(full_path, directory)
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# Get file metadata
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file_info = {
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"name": relative_path,
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"pathIndex": pathIndex,
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"modified": os.path.getmtime(full_path), # Add modification time
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"created": os.path.getctime(full_path), # Add creation time
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"size": os.path.getsize(full_path) # Add file size
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}
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result.append(file_info)
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except Exception as e:
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logging.warning(f"Warning: Unable to access {file_name}. Error: {e}. Skipping this file.")
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continue
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for d in subdirs:
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path: str = os.path.join(dirpath, d)
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try:
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dirs[path] = os.path.getmtime(path)
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except FileNotFoundError:
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logging.warning(f"Warning: Unable to access {path}. Skipping this path.")
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continue
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return result, dirs, time.perf_counter()
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def get_model_previews(self, filepath: str) -> list[str | BytesIO]:
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dirname = os.path.dirname(filepath)
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if not os.path.exists(dirname):
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return []
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basename = os.path.splitext(filepath)[0]
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match_files = glob.glob(f"{basename}.*", recursive=False)
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image_files = filter_files_content_types(match_files, "image")
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safetensors_file = next(filter(lambda x: x.endswith(".safetensors"), match_files), None)
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safetensors_metadata = {}
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result: list[str | BytesIO] = []
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for filename in image_files:
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_basename = os.path.splitext(filename)[0]
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if _basename == basename:
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result.append(filename)
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if _basename == f"{basename}.preview":
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result.append(filename)
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if safetensors_file:
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safetensors_filepath = os.path.join(dirname, safetensors_file)
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header = comfy.utils.safetensors_header(safetensors_filepath, max_size=8*1024*1024)
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if header:
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safetensors_metadata = json.loads(header)
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safetensors_images = safetensors_metadata.get("__metadata__", {}).get("ssmd_cover_images", None)
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if safetensors_images:
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safetensors_images = json.loads(safetensors_images)
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for image in safetensors_images:
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result.append(BytesIO(base64.b64decode(image)))
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return result
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def __exit__(self, exc_type, exc_value, traceback):
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self.clear_cache()
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