492 lines
17 KiB
Python
492 lines
17 KiB
Python
import os
|
||
import uuid
|
||
import time
|
||
import requests
|
||
import folder_paths
|
||
from typing import Callable, Awaitable, Any, Literal, Union, Optional
|
||
from dataclasses import dataclass
|
||
from . import config
|
||
from . import utils
|
||
from . import thread
|
||
|
||
|
||
@dataclass
|
||
class TaskStatus:
|
||
taskId: str
|
||
type: str
|
||
fullname: str
|
||
preview: str
|
||
status: Literal["pause", "waiting", "doing"] = "pause"
|
||
platform: Union[str, None] = None
|
||
downloadedSize: float = 0
|
||
totalSize: float = 0
|
||
progress: float = 0
|
||
bps: float = 0
|
||
error: Optional[str] = None
|
||
|
||
def __init__(self, **kwargs):
|
||
self.taskId = kwargs.get("taskId", None)
|
||
self.type = kwargs.get("type", None)
|
||
self.fullname = kwargs.get("fullname", None)
|
||
self.preview = kwargs.get("preview", None)
|
||
self.status = kwargs.get("status", "pause")
|
||
self.platform = kwargs.get("platform", None)
|
||
self.downloadedSize = kwargs.get("downloadedSize", 0)
|
||
self.totalSize = kwargs.get("totalSize", 0)
|
||
self.progress = kwargs.get("progress", 0)
|
||
self.bps = kwargs.get("bps", 0)
|
||
self.error = kwargs.get("error", None)
|
||
|
||
def to_dict(self):
|
||
return {
|
||
"taskId": self.taskId,
|
||
"type": self.type,
|
||
"fullname": self.fullname,
|
||
"preview": self.preview,
|
||
"status": self.status,
|
||
"platform": self.platform,
|
||
"downloadedSize": self.downloadedSize,
|
||
"totalSize": self.totalSize,
|
||
"progress": self.progress,
|
||
"bps": self.bps,
|
||
"error": self.error,
|
||
}
|
||
|
||
|
||
@dataclass
|
||
class TaskContent:
|
||
type: str
|
||
pathIndex: int
|
||
fullname: str
|
||
description: str
|
||
downloadPlatform: str
|
||
downloadUrl: str
|
||
sizeBytes: float
|
||
hashes: Optional[dict[str, str]] = None
|
||
|
||
def __init__(self, **kwargs):
|
||
self.type = kwargs.get("type", None)
|
||
self.pathIndex = int(kwargs.get("pathIndex", 0))
|
||
self.fullname = kwargs.get("fullname", None)
|
||
self.description = kwargs.get("description", None)
|
||
self.downloadPlatform = kwargs.get("downloadPlatform", None)
|
||
self.downloadUrl = kwargs.get("downloadUrl", None)
|
||
self.sizeBytes = float(kwargs.get("sizeBytes", 0))
|
||
self.hashes = kwargs.get("hashes", None)
|
||
|
||
def to_dict(self):
|
||
return {
|
||
"type": self.type,
|
||
"pathIndex": self.pathIndex,
|
||
"fullname": self.fullname,
|
||
"description": self.description,
|
||
"downloadPlatform": self.downloadPlatform,
|
||
"downloadUrl": self.downloadUrl,
|
||
"sizeBytes": self.sizeBytes,
|
||
"hashes": self.hashes,
|
||
}
|
||
|
||
|
||
download_model_task_status: dict[str, TaskStatus] = {}
|
||
download_thread_pool = thread.DownloadThreadPool()
|
||
|
||
|
||
def set_task_content(task_id: str, task_content: Union[TaskContent, dict]):
|
||
download_path = utils.get_download_path()
|
||
task_file_path = utils.join_path(download_path, f"{task_id}.task")
|
||
utils.save_dict_pickle_file(task_file_path, task_content)
|
||
|
||
|
||
def get_task_content(task_id: str):
|
||
download_path = utils.get_download_path()
|
||
task_file = utils.join_path(download_path, f"{task_id}.task")
|
||
if not os.path.isfile(task_file):
|
||
raise RuntimeError(f"Task {task_id} not found")
|
||
task_content = utils.load_dict_pickle_file(task_file)
|
||
if isinstance(task_content, TaskContent):
|
||
return task_content
|
||
return TaskContent(**task_content)
|
||
|
||
|
||
def get_task_status(task_id: str):
|
||
task_status = download_model_task_status.get(task_id, None)
|
||
|
||
if task_status is None:
|
||
download_path = utils.get_download_path()
|
||
task_content = get_task_content(task_id)
|
||
download_file = utils.join_path(download_path, f"{task_id}.download")
|
||
download_size = 0
|
||
if os.path.exists(download_file):
|
||
download_size = os.path.getsize(download_file)
|
||
|
||
total_size = task_content.sizeBytes
|
||
task_status = TaskStatus(
|
||
taskId=task_id,
|
||
type=task_content.type,
|
||
fullname=task_content.fullname,
|
||
preview=utils.get_model_preview_name(download_file),
|
||
platform=task_content.downloadPlatform,
|
||
downloadedSize=download_size,
|
||
totalSize=task_content.sizeBytes,
|
||
progress=download_size / total_size * 100 if total_size > 0 else 0,
|
||
)
|
||
|
||
download_model_task_status[task_id] = task_status
|
||
|
||
return task_status
|
||
|
||
|
||
def delete_task_status(task_id: str):
|
||
download_model_task_status.pop(task_id, None)
|
||
|
||
|
||
async def scan_model_download_task_list():
|
||
"""
|
||
Scan the download directory and send the task list to the client.
|
||
"""
|
||
download_dir = utils.get_download_path()
|
||
task_files = utils.search_files(download_dir)
|
||
task_files = folder_paths.filter_files_extensions(task_files, [".task"])
|
||
task_files = sorted(
|
||
task_files,
|
||
key=lambda x: os.stat(utils.join_path(download_dir, x)).st_ctime,
|
||
reverse=True,
|
||
)
|
||
task_list: list[dict] = []
|
||
for task_file in task_files:
|
||
task_id = task_file.replace(".task", "")
|
||
task_status = get_task_status(task_id)
|
||
task_list.append(task_status.to_dict())
|
||
|
||
return task_list
|
||
|
||
|
||
async def create_model_download_task(task_data: dict, request):
|
||
"""
|
||
Creates a download task for the given data.
|
||
"""
|
||
model_type = task_data.get("type", None)
|
||
path_index = int(task_data.get("pathIndex", None))
|
||
fullname = task_data.get("fullname", None)
|
||
|
||
model_path = utils.get_full_path(model_type, path_index, fullname)
|
||
# Check if the model path is valid
|
||
if os.path.exists(model_path):
|
||
raise RuntimeError(f"File already exists: {model_path}")
|
||
|
||
download_path = utils.get_download_path()
|
||
|
||
task_id = uuid.uuid4().hex
|
||
task_path = utils.join_path(download_path, f"{task_id}.task")
|
||
if os.path.exists(task_path):
|
||
raise RuntimeError(f"Task {task_id} already exists")
|
||
download_platform = task_data.get("downloadPlatform", None)
|
||
|
||
try:
|
||
preview_file = task_data.pop("previewFile", None)
|
||
utils.save_model_preview_image(task_path, preview_file, download_platform)
|
||
set_task_content(task_id, task_data)
|
||
task_status = TaskStatus(
|
||
taskId=task_id,
|
||
type=model_type,
|
||
fullname=fullname,
|
||
preview=utils.get_model_preview_name(task_path),
|
||
platform=download_platform,
|
||
totalSize=float(task_data.get("sizeBytes", 0)),
|
||
)
|
||
download_model_task_status[task_id] = task_status
|
||
await utils.send_json("create_download_task", task_status.to_dict())
|
||
except Exception as e:
|
||
await delete_model_download_task(task_id)
|
||
raise RuntimeError(str(e)) from e
|
||
|
||
await download_model(task_id, request)
|
||
return task_id
|
||
|
||
|
||
async def pause_model_download_task(task_id: str):
|
||
task_status = get_task_status(task_id=task_id)
|
||
task_status.status = "pause"
|
||
|
||
|
||
async def delete_model_download_task(task_id: str):
|
||
task_status = get_task_status(task_id)
|
||
is_running = task_status.status == "doing"
|
||
task_status.status = "waiting"
|
||
await utils.send_json("delete_download_task", task_id)
|
||
|
||
# Pause the task
|
||
if is_running:
|
||
task_status.status = "pause"
|
||
time.sleep(1)
|
||
|
||
download_dir = utils.get_download_path()
|
||
task_file_list = os.listdir(download_dir)
|
||
for task_file in task_file_list:
|
||
task_file_target = os.path.splitext(task_file)[0]
|
||
if task_file_target == task_id:
|
||
delete_task_status(task_id)
|
||
os.remove(utils.join_path(download_dir, task_file))
|
||
|
||
await utils.send_json("delete_download_task", task_id)
|
||
|
||
|
||
async def download_model(task_id: str, request):
|
||
async def download_task(task_id: str):
|
||
async def report_progress(task_status: TaskStatus):
|
||
await utils.send_json("update_download_task", task_status.to_dict())
|
||
|
||
try:
|
||
# When starting a task from the queue, the task may not exist
|
||
task_status = get_task_status(task_id)
|
||
except:
|
||
return
|
||
|
||
# Update task status
|
||
task_status.status = "doing"
|
||
await utils.send_json("update_download_task", task_status.to_dict())
|
||
|
||
try:
|
||
|
||
# Set download request headers
|
||
headers = {"User-Agent": config.user_agent}
|
||
|
||
download_platform = task_status.platform
|
||
if download_platform == "civitai":
|
||
api_key = utils.get_setting_value(request, "api_key.civitai")
|
||
if api_key:
|
||
headers["Authorization"] = f"Bearer {api_key}"
|
||
|
||
elif download_platform == "huggingface":
|
||
api_key = utils.get_setting_value(request, "api_key.huggingface")
|
||
if api_key:
|
||
headers["Authorization"] = f"Bearer {api_key}"
|
||
|
||
progress_interval = 1.0
|
||
await download_model_file(
|
||
task_id=task_id,
|
||
headers=headers,
|
||
progress_callback=report_progress,
|
||
interval=progress_interval,
|
||
)
|
||
except Exception as e:
|
||
task_status.status = "pause"
|
||
task_status.error = str(e)
|
||
await utils.send_json("update_download_task", task_status.to_dict())
|
||
task_status.error = None
|
||
utils.print_error(str(e))
|
||
|
||
try:
|
||
status = download_thread_pool.submit(download_task, task_id)
|
||
if status == "Waiting":
|
||
task_status = get_task_status(task_id)
|
||
task_status.status = "waiting"
|
||
await utils.send_json("update_download_task", task_status.to_dict())
|
||
except Exception as e:
|
||
task_status.status = "pause"
|
||
task_status.error = str(e)
|
||
await utils.send_json("update_download_task", task_status.to_dict())
|
||
task_status.error = None
|
||
utils.print_error(str(e))
|
||
|
||
|
||
async def download_model_file(
|
||
task_id: str,
|
||
headers: dict,
|
||
progress_callback: Callable[[TaskStatus], Awaitable[Any]],
|
||
interval: float = 1.0,
|
||
):
|
||
|
||
async def download_complete():
|
||
"""
|
||
Restore the model information from the task file
|
||
and move the model file to the target directory.
|
||
"""
|
||
model_type = task_content.type
|
||
path_index = task_content.pathIndex
|
||
fullname = task_content.fullname
|
||
# Write description file
|
||
description = task_content.description
|
||
description_file = utils.join_path(download_path, f"{task_id}.md")
|
||
with open(description_file, "w", encoding="utf-8", newline="") as f:
|
||
f.write(description)
|
||
|
||
model_path = utils.get_full_path(model_type, path_index, fullname)
|
||
|
||
utils.rename_model(download_tmp_file, model_path)
|
||
|
||
time.sleep(1)
|
||
task_file = utils.join_path(download_path, f"{task_id}.task")
|
||
os.remove(task_file)
|
||
await utils.send_json("complete_download_task", task_id)
|
||
|
||
async def update_progress():
|
||
nonlocal last_update_time
|
||
nonlocal last_downloaded_size
|
||
progress = (downloaded_size / total_size) * 100 if total_size > 0 else 0
|
||
task_status.downloadedSize = downloaded_size
|
||
task_status.progress = progress
|
||
task_status.bps = downloaded_size - last_downloaded_size
|
||
await progress_callback(task_status)
|
||
last_update_time = time.time()
|
||
last_downloaded_size = downloaded_size
|
||
|
||
task_status = get_task_status(task_id)
|
||
task_content = get_task_content(task_id)
|
||
|
||
# Check download uri
|
||
model_url = task_content.downloadUrl
|
||
if not model_url:
|
||
raise RuntimeError("No downloadUrl found")
|
||
|
||
download_path = utils.get_download_path()
|
||
download_tmp_file = utils.join_path(download_path, f"{task_id}.download")
|
||
|
||
downloaded_size = 0
|
||
if os.path.isfile(download_tmp_file):
|
||
downloaded_size = os.path.getsize(download_tmp_file)
|
||
headers["Range"] = f"bytes={downloaded_size}-"
|
||
|
||
total_size = task_content.sizeBytes
|
||
|
||
if total_size > 0 and downloaded_size == total_size:
|
||
await download_complete()
|
||
return
|
||
|
||
last_update_time = time.time()
|
||
last_downloaded_size = downloaded_size
|
||
|
||
response = requests.get(
|
||
url=model_url,
|
||
headers=headers,
|
||
stream=True,
|
||
allow_redirects=True,
|
||
)
|
||
|
||
if response.status_code not in (200, 206):
|
||
raise RuntimeError(f"Failed to download {task_content.fullname}, status code: {response.status_code}")
|
||
|
||
# Some models require logging in before they can be downloaded.
|
||
# If no token is carried, it will be redirected to the login page.
|
||
content_type = response.headers.get("content-type")
|
||
if content_type and content_type.startswith("text/html"):
|
||
# TODO More checks
|
||
# In addition to requiring login to download, there may be other restrictions.
|
||
# The currently one situation is early access??? issues#43
|
||
# Due to the lack of test data, let’s put it aside for now.
|
||
# If it cannot be downloaded, a redirect will definitely occur.
|
||
# Maybe consider getting the redirect url from response.history to make a judgment.
|
||
# Here we also need to consider how different websites are processed.
|
||
raise RuntimeError(f"{task_content.fullname} needs to be logged in to download. Please set the API-Key first.")
|
||
|
||
# When parsing model information from HuggingFace API,
|
||
# the file size was not found and needs to be obtained from the response header.
|
||
if total_size == 0:
|
||
total_size = float(response.headers.get("content-length", 0))
|
||
task_content.sizeBytes = total_size
|
||
task_status.totalSize = total_size
|
||
set_task_content(task_id, task_content)
|
||
await utils.send_json("update_download_task", task_content.to_dict())
|
||
|
||
with open(download_tmp_file, "ab") as f:
|
||
for chunk in response.iter_content(chunk_size=8192):
|
||
if task_status.status == "pause":
|
||
break
|
||
|
||
f.write(chunk)
|
||
downloaded_size += len(chunk)
|
||
|
||
if time.time() - last_update_time >= interval:
|
||
await update_progress()
|
||
|
||
await update_progress()
|
||
|
||
if total_size > 0 and downloaded_size == total_size:
|
||
await download_complete()
|
||
else:
|
||
task_status.status = "pause"
|
||
await utils.send_json("update_download_task", task_status.to_dict())
|
||
|
||
|
||
from aiohttp import web
|
||
|
||
|
||
class ModelDownload:
|
||
def add_routes(self, routes):
|
||
|
||
@routes.get("/model-manager/download/task")
|
||
async def scan_download_tasks(request):
|
||
"""
|
||
Read download task list.
|
||
"""
|
||
try:
|
||
result = await scan_model_download_task_list()
|
||
return web.json_response({"success": True, "data": result})
|
||
except Exception as e:
|
||
error_msg = f"Read download task list failed: {e}"
|
||
utils.print_error(error_msg)
|
||
return web.json_response({"success": False, "error": error_msg})
|
||
|
||
@routes.put("/model-manager/download/{task_id}")
|
||
async def resume_download_task(request):
|
||
"""
|
||
Toggle download task status.
|
||
"""
|
||
try:
|
||
task_id = request.match_info.get("task_id", None)
|
||
if task_id is None:
|
||
raise web.HTTPBadRequest(reason="Invalid task id")
|
||
json_data = await request.json()
|
||
status = json_data.get("status", None)
|
||
if status == "pause":
|
||
await pause_model_download_task(task_id)
|
||
elif status == "resume":
|
||
await download_model(task_id, request)
|
||
else:
|
||
raise web.HTTPBadRequest(reason="Invalid status")
|
||
|
||
return web.json_response({"success": True})
|
||
except Exception as e:
|
||
error_msg = f"Resume download task failed: {str(e)}"
|
||
utils.print_error(error_msg)
|
||
return web.json_response({"success": False, "error": error_msg})
|
||
|
||
@routes.delete("/model-manager/download/{task_id}")
|
||
async def delete_model_download_task(request):
|
||
"""
|
||
Delete download task.
|
||
"""
|
||
task_id = request.match_info.get("task_id", None)
|
||
try:
|
||
await delete_model_download_task(task_id)
|
||
return web.json_response({"success": True})
|
||
except Exception as e:
|
||
error_msg = f"Delete download task failed: {str(e)}"
|
||
utils.print_error(error_msg)
|
||
return web.json_response({"success": False, "error": error_msg})
|
||
|
||
@routes.post("/model-manager/model")
|
||
async def create_model(request):
|
||
"""
|
||
Create a new model.
|
||
|
||
request body: x-www-form-urlencoded
|
||
- type: model type.
|
||
- pathIndex: index of the model folders.
|
||
- fullname: filename that relative to the model folder.
|
||
- previewFile: preview file.
|
||
- description: description.
|
||
- downloadPlatform: download platform.
|
||
- downloadUrl: download url.
|
||
- hash: a JSON string containing the hash value of the downloaded model.
|
||
"""
|
||
task_data = await request.post()
|
||
task_data = dict(task_data)
|
||
try:
|
||
task_id = await create_model_download_task(task_data, request)
|
||
return web.json_response({"success": True, "data": {"taskId": task_id}})
|
||
except Exception as e:
|
||
error_msg = f"Create model download task failed: {str(e)}"
|
||
utils.print_error(error_msg)
|
||
return web.json_response({"success": False, "error": error_msg})
|