ComfyUI/comfy/app/model_manager.py
2025-09-23 16:07:54 -07:00

196 lines
7.7 KiB
Python

from __future__ import annotations
import base64
import glob
import json
import logging
import os
import time
from io import BytesIO
from PIL import Image
from aiohttp import web
from .. import utils
from ..cmd import folder_paths
logger = logging.getLogger(__name__)
class ModelFileManager:
def __init__(self) -> None:
self.cache: dict[str, tuple[list[dict], dict[str, float], float]] = {}
def get_cache(self, key: str, default=None) -> tuple[list[dict], dict[str, float], float] | None:
return self.cache.get(key, default)
def set_cache(self, key: str, value: tuple[list[dict], dict[str, float], float]):
self.cache[key] = value
def clear_cache(self):
self.cache.clear()
def add_routes(self, routes):
# NOTE: This is an experiment to replace `/models`
@routes.get("/experiment/models")
async def get_model_folders(request):
model_types = list(folder_paths.folder_names_and_paths.keys())
folder_black_list = ["configs", "custom_nodes"]
output_folders: list[dict] = []
for folder in model_types:
if folder in folder_black_list:
continue
output_folders.append({"name": folder, "folders": folder_paths.get_folder_paths(folder)})
return web.json_response(output_folders)
# NOTE: This is an experiment to replace `/models/{folder}`
@routes.get("/experiment/models/{folder}")
async def get_all_models(request):
folder = request.match_info.get("folder", None)
if not folder in folder_paths.folder_names_and_paths:
return web.Response(status=404)
files = self.get_model_file_list(folder)
return web.json_response(files)
@routes.get("/experiment/models/preview/{folder}/{path_index}/{filename:.*}")
async def get_model_preview(request):
folder_name = request.match_info.get("folder", None)
path_index = int(request.match_info.get("path_index", None))
filename = request.match_info.get("filename", None)
if not folder_name in folder_paths.folder_names_and_paths:
return web.Response(status=404)
folders = folder_paths.folder_names_and_paths[folder_name]
folder = folders[0][path_index]
full_filename = os.path.join(folder, filename)
previews = self.get_model_previews(full_filename)
default_preview = previews[0] if len(previews) > 0 else None
if default_preview is None or (isinstance(default_preview, str) and not os.path.isfile(default_preview)):
return web.Response(status=404)
try:
with Image.open(default_preview) as img:
img_bytes = BytesIO()
img.save(img_bytes, format="WEBP")
img_bytes.seek(0)
return web.Response(body=img_bytes.getvalue(), content_type="image/webp")
except:
return web.Response(status=404)
def get_model_file_list(self, folder_name: str):
folders = folder_paths.folder_names_and_paths[folder_name]
output_list: list[dict] = []
for index, folder in enumerate(folders[0]):
if not os.path.isdir(folder):
continue
out = self.cache_model_file_list_(folder)
if out is None:
out = self.recursive_search_models_(folder, index)
self.set_cache(folder, out)
output_list.extend(out[0])
return output_list
def cache_model_file_list_(self, folder: str):
model_file_list_cache = self.get_cache(folder)
if model_file_list_cache is None:
return None
if not os.path.isdir(folder):
return None
if os.path.getmtime(folder) != model_file_list_cache[1]:
return None
for x in model_file_list_cache[1]:
time_modified = model_file_list_cache[1][x]
folder = x
if os.path.getmtime(folder) != time_modified:
return None
return model_file_list_cache
def recursive_search_models_(self, directory: str, pathIndex: int) -> tuple[list[str], dict[str, float], float]:
if not os.path.isdir(directory):
return [], {}, time.perf_counter()
excluded_dir_names = [".git"]
# TODO use settings
include_hidden_files = False
result: list[str] = []
dirs: dict[str, float] = {}
for dirpath, subdirs, filenames in os.walk(directory, followlinks=True, topdown=True):
subdirs[:] = [d for d in subdirs if d not in excluded_dir_names]
if not include_hidden_files:
subdirs[:] = [d for d in subdirs if not d.startswith(".")]
filenames = [f for f in filenames if not f.startswith(".")]
filenames = folder_paths.filter_files_extensions(filenames, folder_paths.supported_pt_extensions)
for file_name in filenames:
try:
full_path = os.path.join(dirpath, file_name)
relative_path = os.path.relpath(full_path, directory)
# Get file metadata
file_info = {
"name": relative_path,
"pathIndex": pathIndex,
"modified": os.path.getmtime(full_path), # Add modification time
"created": os.path.getctime(full_path), # Add creation time
"size": os.path.getsize(full_path) # Add file size
}
result.append(file_info)
except Exception as e:
logger.warning(f"Warning: Unable to access {file_name}. Error: {e}. Skipping this file.")
continue
for d in subdirs:
path: str = os.path.join(dirpath, d)
try:
dirs[path] = os.path.getmtime(path)
except FileNotFoundError:
logger.warning(f"Warning: Unable to access {path}. Skipping this path.")
continue
return result, dirs, time.perf_counter()
def get_model_previews(self, filepath: str) -> list[str | BytesIO]:
dirname = os.path.dirname(filepath)
if not os.path.exists(dirname):
return []
basename = os.path.splitext(filepath)[0]
match_files = glob.glob(f"{basename}.*", recursive=False)
image_files = folder_paths.filter_files_content_types(match_files, "image")
safetensors_file = next(filter(lambda x: x.endswith(".safetensors"), match_files), None)
safetensors_metadata = {}
result: list[str | BytesIO] = []
for filename in image_files:
_basename = os.path.splitext(filename)[0]
if _basename == basename:
result.append(filename)
if _basename == f"{basename}.preview":
result.append(filename)
if safetensors_file:
safetensors_filepath = os.path.join(dirname, safetensors_file)
header = utils.safetensors_header(safetensors_filepath, max_size=8 * 1024 * 1024)
if header:
safetensors_metadata = json.loads(header)
safetensors_images = safetensors_metadata.get("__metadata__", {}).get("ssmd_cover_images", None)
if safetensors_images is not None:
safetensors_images = json.loads(safetensors_images)
for image in safetensors_images:
result.append(BytesIO(base64.b64decode(image)))
return result
def __exit__(self, exc_type, exc_value, traceback):
self.clear_cache()