631 lines
25 KiB
Python
631 lines
25 KiB
Python
import os
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import sys
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import asyncio
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import traceback
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import nodes
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import folder_paths
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import execution
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import uuid
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import urllib
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import json
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import glob
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import struct
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from PIL import Image, ImageOps
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from PIL.PngImagePlugin import PngInfo
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from io import BytesIO
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try:
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import aiohttp
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from aiohttp import web
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except ImportError:
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print("Module 'aiohttp' not installed. Please install it via:")
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print("pip install aiohttp")
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print("or")
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print("pip install -r requirements.txt")
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sys.exit()
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import mimetypes
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from comfy.cli_args import args
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import comfy.utils
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import comfy.model_management
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class BinaryEventTypes:
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PREVIEW_IMAGE = 1
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UNENCODED_PREVIEW_IMAGE = 2
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async def send_socket_catch_exception(function, message):
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try:
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await function(message)
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except (aiohttp.ClientError, aiohttp.ClientPayloadError, ConnectionResetError) as err:
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print("send error:", err)
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@web.middleware
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async def cache_control(request: web.Request, handler):
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response: web.Response = await handler(request)
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if request.path.endswith('.js') or request.path.endswith('.css'):
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response.headers.setdefault('Cache-Control', 'no-cache')
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return response
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def create_cors_middleware(allowed_origin: str):
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@web.middleware
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async def cors_middleware(request: web.Request, handler):
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if request.method == "OPTIONS":
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# Pre-flight request. Reply successfully:
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response = web.Response()
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else:
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response = await handler(request)
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response.headers['Access-Control-Allow-Origin'] = allowed_origin
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response.headers['Access-Control-Allow-Methods'] = 'POST, GET, DELETE, PUT, OPTIONS'
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response.headers['Access-Control-Allow-Headers'] = 'Content-Type, Authorization'
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response.headers['Access-Control-Allow-Credentials'] = 'true'
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return response
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return cors_middleware
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class PromptServer():
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def __init__(self, loop):
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PromptServer.instance = self
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mimetypes.init()
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mimetypes.types_map['.js'] = 'application/javascript; charset=utf-8'
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self.supports = ["custom_nodes_from_web"]
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self.prompt_queue = None
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self.loop = loop
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self.messages = asyncio.Queue()
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self.number = 0
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middlewares = [cache_control]
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if args.enable_cors_header:
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middlewares.append(create_cors_middleware(args.enable_cors_header))
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self.app = web.Application(client_max_size=104857600, middlewares=middlewares)
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self.sockets = dict()
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self.web_root = os.path.join(os.path.dirname(
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os.path.realpath(__file__)), "web")
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routes = web.RouteTableDef()
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self.routes = routes
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self.last_node_id = None
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self.client_id = None
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self.on_prompt_handlers = []
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@routes.get('/ws')
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async def websocket_handler(request):
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ws = web.WebSocketResponse()
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await ws.prepare(request)
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sid = request.rel_url.query.get('clientId', '')
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if sid:
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# Reusing existing session, remove old
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self.sockets.pop(sid, None)
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else:
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sid = uuid.uuid4().hex
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self.sockets[sid] = ws
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try:
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# Send initial state to the new client
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await self.send("status", { "status": self.get_queue_info(), 'sid': sid }, sid)
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# On reconnect if we are the currently executing client send the current node
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if self.client_id == sid and self.last_node_id is not None:
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await self.send("executing", { "node": self.last_node_id }, sid)
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async for msg in ws:
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if msg.type == aiohttp.WSMsgType.ERROR:
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print('ws connection closed with exception %s' % ws.exception())
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finally:
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self.sockets.pop(sid, None)
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return ws
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@routes.get("/")
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async def get_root(request):
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return web.FileResponse(os.path.join(self.web_root, "index.html"))
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@routes.get("/embeddings")
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def get_embeddings(self):
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embeddings = folder_paths.get_filename_list("embeddings")
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return web.json_response(list(map(lambda a: os.path.splitext(a)[0], embeddings)))
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@routes.get("/extensions")
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async def get_extensions(request):
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files = glob.glob(os.path.join(
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self.web_root, 'extensions/**/*.js'), recursive=True)
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extensions = list(map(lambda f: "/" + os.path.relpath(f, self.web_root).replace("\\", "/"), files))
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for name, dir in nodes.EXTENSION_WEB_DIRS.items():
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files = glob.glob(os.path.join(dir, '**/*.js'), recursive=True)
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extensions.extend(list(map(lambda f: "/extensions/" + urllib.parse.quote(
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name) + "/" + os.path.relpath(f, dir).replace("\\", "/"), files)))
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return web.json_response(extensions)
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def get_dir_by_type(dir_type):
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if dir_type is None:
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dir_type = "input"
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if dir_type == "input":
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type_dir = folder_paths.get_input_directory()
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elif dir_type == "temp":
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type_dir = folder_paths.get_temp_directory()
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elif dir_type == "output":
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type_dir = folder_paths.get_output_directory()
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return type_dir, dir_type
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def image_upload(post, image_save_function=None):
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image = post.get("image")
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overwrite = post.get("overwrite")
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image_upload_type = post.get("type")
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upload_dir, image_upload_type = get_dir_by_type(image_upload_type)
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if image and image.file:
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filename = image.filename
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if not filename:
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return web.Response(status=400)
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subfolder = post.get("subfolder", "")
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full_output_folder = os.path.join(upload_dir, os.path.normpath(subfolder))
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filepath = os.path.join(full_output_folder, filename)
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if os.path.commonpath((upload_dir, os.path.abspath(filepath))) != upload_dir:
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return web.Response(status=400)
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if not os.path.exists(full_output_folder):
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os.makedirs(full_output_folder)
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split = os.path.splitext(filename)
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if overwrite is not None and (overwrite == "true" or overwrite == "1"):
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pass
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else:
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i = 1
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while os.path.exists(filepath):
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filename = f"{split[0]} ({i}){split[1]}"
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filepath = os.path.join(full_output_folder, filename)
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i += 1
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if image_save_function is not None:
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image_save_function(image, post, filepath)
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else:
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with open(filepath, "wb") as f:
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f.write(image.file.read())
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return web.json_response({"name" : filename, "subfolder": subfolder, "type": image_upload_type})
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else:
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return web.Response(status=400)
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@routes.post("/upload/image")
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async def upload_image(request):
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post = await request.post()
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return image_upload(post)
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@routes.post("/upload/mask")
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async def upload_mask(request):
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post = await request.post()
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def image_save_function(image, post, filepath):
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original_ref = json.loads(post.get("original_ref"))
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filename, output_dir = folder_paths.annotated_filepath(original_ref['filename'])
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# validation for security: prevent accessing arbitrary path
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if filename[0] == '/' or '..' in filename:
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return web.Response(status=400)
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if output_dir is None:
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type = original_ref.get("type", "output")
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output_dir = folder_paths.get_directory_by_type(type)
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if output_dir is None:
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return web.Response(status=400)
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if original_ref.get("subfolder", "") != "":
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full_output_dir = os.path.join(output_dir, original_ref["subfolder"])
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if os.path.commonpath((os.path.abspath(full_output_dir), output_dir)) != output_dir:
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return web.Response(status=403)
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output_dir = full_output_dir
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file = os.path.join(output_dir, filename)
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if os.path.isfile(file):
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with Image.open(file) as original_pil:
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metadata = PngInfo()
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if hasattr(original_pil,'text'):
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for key in original_pil.text:
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metadata.add_text(key, original_pil.text[key])
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original_pil = original_pil.convert('RGBA')
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mask_pil = Image.open(image.file).convert('RGBA')
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# alpha copy
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new_alpha = mask_pil.getchannel('A')
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original_pil.putalpha(new_alpha)
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original_pil.save(filepath, compress_level=4, pnginfo=metadata)
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return image_upload(post, image_save_function)
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@routes.get("/view")
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async def view_image(request):
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if "filename" in request.rel_url.query:
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filename = request.rel_url.query["filename"]
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filename,output_dir = folder_paths.annotated_filepath(filename)
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# validation for security: prevent accessing arbitrary path
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if filename[0] == '/' or '..' in filename:
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return web.Response(status=400)
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if output_dir is None:
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type = request.rel_url.query.get("type", "output")
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output_dir = folder_paths.get_directory_by_type(type)
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if output_dir is None:
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return web.Response(status=400)
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if "subfolder" in request.rel_url.query:
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full_output_dir = os.path.join(output_dir, request.rel_url.query["subfolder"])
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if os.path.commonpath((os.path.abspath(full_output_dir), output_dir)) != output_dir:
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return web.Response(status=403)
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output_dir = full_output_dir
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filename = os.path.basename(filename)
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file = os.path.join(output_dir, filename)
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if os.path.isfile(file):
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if 'preview' in request.rel_url.query:
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with Image.open(file) as img:
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preview_info = request.rel_url.query['preview'].split(';')
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image_format = preview_info[0]
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if image_format not in ['webp', 'jpeg'] or 'a' in request.rel_url.query.get('channel', ''):
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image_format = 'webp'
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quality = 90
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if preview_info[-1].isdigit():
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quality = int(preview_info[-1])
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buffer = BytesIO()
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if image_format in ['jpeg'] or request.rel_url.query.get('channel', '') == 'rgb':
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img = img.convert("RGB")
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img.save(buffer, format=image_format, quality=quality)
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buffer.seek(0)
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return web.Response(body=buffer.read(), content_type=f'image/{image_format}',
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headers={"Content-Disposition": f"filename=\"{filename}\""})
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if 'channel' not in request.rel_url.query:
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channel = 'rgba'
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else:
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channel = request.rel_url.query["channel"]
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if channel == 'rgb':
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with Image.open(file) as img:
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if img.mode == "RGBA":
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r, g, b, a = img.split()
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new_img = Image.merge('RGB', (r, g, b))
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else:
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new_img = img.convert("RGB")
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buffer = BytesIO()
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new_img.save(buffer, format='PNG')
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buffer.seek(0)
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return web.Response(body=buffer.read(), content_type='image/png',
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headers={"Content-Disposition": f"filename=\"{filename}\""})
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elif channel == 'a':
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with Image.open(file) as img:
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if img.mode == "RGBA":
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_, _, _, a = img.split()
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else:
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a = Image.new('L', img.size, 255)
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# alpha img
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alpha_img = Image.new('RGBA', img.size)
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alpha_img.putalpha(a)
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alpha_buffer = BytesIO()
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alpha_img.save(alpha_buffer, format='PNG')
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alpha_buffer.seek(0)
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return web.Response(body=alpha_buffer.read(), content_type='image/png',
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headers={"Content-Disposition": f"filename=\"{filename}\""})
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else:
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return web.FileResponse(file, headers={"Content-Disposition": f"filename=\"{filename}\""})
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return web.Response(status=404)
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@routes.get("/view_metadata/{folder_name}")
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async def view_metadata(request):
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folder_name = request.match_info.get("folder_name", None)
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if folder_name is None:
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return web.Response(status=404)
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if not "filename" in request.rel_url.query:
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return web.Response(status=404)
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filename = request.rel_url.query["filename"]
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if not filename.endswith(".safetensors"):
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return web.Response(status=404)
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safetensors_path = folder_paths.get_full_path(folder_name, filename)
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if safetensors_path is None:
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return web.Response(status=404)
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out = comfy.utils.safetensors_header(safetensors_path, max_size=1024*1024)
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if out is None:
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return web.Response(status=404)
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dt = json.loads(out)
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if not "__metadata__" in dt:
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return web.Response(status=404)
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return web.json_response(dt["__metadata__"])
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@routes.get("/system_stats")
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async def get_queue(request):
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device = comfy.model_management.get_torch_device()
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device_name = comfy.model_management.get_torch_device_name(device)
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vram_total, torch_vram_total = comfy.model_management.get_total_memory(device, torch_total_too=True)
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vram_free, torch_vram_free = comfy.model_management.get_free_memory(device, torch_free_too=True)
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system_stats = {
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"system": {
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"os": os.name,
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"python_version": sys.version,
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"embedded_python": os.path.split(os.path.split(sys.executable)[0])[1] == "python_embeded"
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},
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"devices": [
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{
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"name": device_name,
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"type": device.type,
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"index": device.index,
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"vram_total": vram_total,
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"vram_free": vram_free,
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"torch_vram_total": torch_vram_total,
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"torch_vram_free": torch_vram_free,
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}
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]
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}
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return web.json_response(system_stats)
|
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|
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@routes.get("/prompt")
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async def get_prompt(request):
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return web.json_response(self.get_queue_info())
|
|
|
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def node_info(node_class):
|
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obj_class = nodes.NODE_CLASS_MAPPINGS[node_class]
|
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info = {}
|
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info['input'] = obj_class.INPUT_TYPES()
|
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info['output'] = obj_class.RETURN_TYPES
|
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info['output_is_list'] = obj_class.OUTPUT_IS_LIST if hasattr(obj_class, 'OUTPUT_IS_LIST') else [False] * len(obj_class.RETURN_TYPES)
|
|
info['output_name'] = obj_class.RETURN_NAMES if hasattr(obj_class, 'RETURN_NAMES') else info['output']
|
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info['name'] = node_class
|
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info['display_name'] = nodes.NODE_DISPLAY_NAME_MAPPINGS[node_class] if node_class in nodes.NODE_DISPLAY_NAME_MAPPINGS.keys() else node_class
|
|
info['description'] = obj_class.DESCRIPTION if hasattr(obj_class,'DESCRIPTION') else ''
|
|
info['category'] = 'sd'
|
|
if hasattr(obj_class, 'OUTPUT_NODE') and obj_class.OUTPUT_NODE == True:
|
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info['output_node'] = True
|
|
else:
|
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info['output_node'] = False
|
|
|
|
if hasattr(obj_class, 'CATEGORY'):
|
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info['category'] = obj_class.CATEGORY
|
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return info
|
|
|
|
@routes.get("/object_info")
|
|
async def get_object_info(request):
|
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out = {}
|
|
for x in nodes.NODE_CLASS_MAPPINGS:
|
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out[x] = node_info(x)
|
|
return web.json_response(out)
|
|
|
|
@routes.get("/object_info/{node_class}")
|
|
async def get_object_info_node(request):
|
|
node_class = request.match_info.get("node_class", None)
|
|
out = {}
|
|
if (node_class is not None) and (node_class in nodes.NODE_CLASS_MAPPINGS):
|
|
out[node_class] = node_info(node_class)
|
|
return web.json_response(out)
|
|
|
|
@routes.get("/history")
|
|
async def get_history(request):
|
|
return web.json_response(self.prompt_queue.get_history())
|
|
|
|
@routes.get("/history/{prompt_id}")
|
|
async def get_history(request):
|
|
prompt_id = request.match_info.get("prompt_id", None)
|
|
return web.json_response(self.prompt_queue.get_history(prompt_id=prompt_id))
|
|
|
|
@routes.get("/queue")
|
|
async def get_queue(request):
|
|
queue_info = {}
|
|
current_queue = self.prompt_queue.get_current_queue()
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|
queue_info['queue_running'] = current_queue[0]
|
|
queue_info['queue_pending'] = current_queue[1]
|
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return web.json_response(queue_info)
|
|
|
|
@routes.post("/prompt")
|
|
async def post_prompt(request):
|
|
print("got prompt")
|
|
resp_code = 200
|
|
out_string = ""
|
|
json_data = await request.json()
|
|
json_data = self.trigger_on_prompt(json_data)
|
|
|
|
if "number" in json_data:
|
|
number = float(json_data['number'])
|
|
else:
|
|
number = self.number
|
|
if "front" in json_data:
|
|
if json_data['front']:
|
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number = -number
|
|
|
|
self.number += 1
|
|
|
|
if "prompt" in json_data:
|
|
prompt = json_data["prompt"]
|
|
valid = execution.validate_prompt(prompt)
|
|
extra_data = {}
|
|
if "extra_data" in json_data:
|
|
extra_data = json_data["extra_data"]
|
|
|
|
if "client_id" in json_data:
|
|
extra_data["client_id"] = json_data["client_id"]
|
|
if valid[0]:
|
|
prompt_id = str(uuid.uuid4())
|
|
outputs_to_execute = valid[2]
|
|
self.prompt_queue.put((number, prompt_id, prompt, extra_data, outputs_to_execute))
|
|
response = {"prompt_id": prompt_id, "number": number, "node_errors": valid[3]}
|
|
return web.json_response(response)
|
|
else:
|
|
print("invalid prompt:", valid[1])
|
|
return web.json_response({"error": valid[1], "node_errors": valid[3]}, status=400)
|
|
else:
|
|
return web.json_response({"error": "no prompt", "node_errors": []}, status=400)
|
|
|
|
@routes.post("/queue")
|
|
async def post_queue(request):
|
|
json_data = await request.json()
|
|
if "clear" in json_data:
|
|
if json_data["clear"]:
|
|
self.prompt_queue.wipe_queue()
|
|
if "delete" in json_data:
|
|
to_delete = json_data['delete']
|
|
for id_to_delete in to_delete:
|
|
delete_func = lambda a: a[1] == id_to_delete
|
|
self.prompt_queue.delete_queue_item(delete_func)
|
|
|
|
return web.Response(status=200)
|
|
|
|
@routes.post("/interrupt")
|
|
async def post_interrupt(request):
|
|
nodes.interrupt_processing()
|
|
return web.Response(status=200)
|
|
|
|
@routes.post("/history")
|
|
async def post_history(request):
|
|
json_data = await request.json()
|
|
if "clear" in json_data:
|
|
if json_data["clear"]:
|
|
self.prompt_queue.wipe_history()
|
|
if "delete" in json_data:
|
|
to_delete = json_data['delete']
|
|
for id_to_delete in to_delete:
|
|
self.prompt_queue.delete_history_item(id_to_delete)
|
|
|
|
return web.Response(status=200)
|
|
|
|
def add_routes(self):
|
|
self.app.add_routes(self.routes)
|
|
|
|
for name, dir in nodes.EXTENSION_WEB_DIRS.items():
|
|
self.app.add_routes([
|
|
web.static('/extensions/' + urllib.parse.quote(name), dir, follow_symlinks=True),
|
|
])
|
|
|
|
self.app.add_routes([
|
|
web.static('/', self.web_root, follow_symlinks=True),
|
|
])
|
|
|
|
def get_queue_info(self):
|
|
prompt_info = {}
|
|
exec_info = {}
|
|
exec_info['queue_remaining'] = self.prompt_queue.get_tasks_remaining()
|
|
prompt_info['exec_info'] = exec_info
|
|
return prompt_info
|
|
|
|
async def send(self, event, data, sid=None):
|
|
if event == BinaryEventTypes.UNENCODED_PREVIEW_IMAGE:
|
|
await self.send_image(data, sid=sid)
|
|
elif isinstance(data, (bytes, bytearray)):
|
|
await self.send_bytes(event, data, sid)
|
|
else:
|
|
await self.send_json(event, data, sid)
|
|
|
|
def encode_bytes(self, event, data):
|
|
if not isinstance(event, int):
|
|
raise RuntimeError(f"Binary event types must be integers, got {event}")
|
|
|
|
packed = struct.pack(">I", event)
|
|
message = bytearray(packed)
|
|
message.extend(data)
|
|
return message
|
|
|
|
async def send_image(self, image_data, sid=None):
|
|
image_type = image_data[0]
|
|
image = image_data[1]
|
|
max_size = image_data[2]
|
|
if max_size is not None:
|
|
if hasattr(Image, 'Resampling'):
|
|
resampling = Image.Resampling.BILINEAR
|
|
else:
|
|
resampling = Image.ANTIALIAS
|
|
|
|
image = ImageOps.contain(image, (max_size, max_size), resampling)
|
|
type_num = 1
|
|
if image_type == "JPEG":
|
|
type_num = 1
|
|
elif image_type == "PNG":
|
|
type_num = 2
|
|
|
|
bytesIO = BytesIO()
|
|
header = struct.pack(">I", type_num)
|
|
bytesIO.write(header)
|
|
image.save(bytesIO, format=image_type, quality=95, compress_level=4)
|
|
preview_bytes = bytesIO.getvalue()
|
|
await self.send_bytes(BinaryEventTypes.PREVIEW_IMAGE, preview_bytes, sid=sid)
|
|
|
|
async def send_bytes(self, event, data, sid=None):
|
|
message = self.encode_bytes(event, data)
|
|
|
|
if sid is None:
|
|
for ws in self.sockets.values():
|
|
await send_socket_catch_exception(ws.send_bytes, message)
|
|
elif sid in self.sockets:
|
|
await send_socket_catch_exception(self.sockets[sid].send_bytes, message)
|
|
|
|
async def send_json(self, event, data, sid=None):
|
|
message = {"type": event, "data": data}
|
|
|
|
if sid is None:
|
|
for ws in self.sockets.values():
|
|
await send_socket_catch_exception(ws.send_json, message)
|
|
elif sid in self.sockets:
|
|
await send_socket_catch_exception(self.sockets[sid].send_json, message)
|
|
|
|
def send_sync(self, event, data, sid=None):
|
|
self.loop.call_soon_threadsafe(
|
|
self.messages.put_nowait, (event, data, sid))
|
|
|
|
def queue_updated(self):
|
|
self.send_sync("status", { "status": self.get_queue_info() })
|
|
|
|
async def publish_loop(self):
|
|
while True:
|
|
msg = await self.messages.get()
|
|
await self.send(*msg)
|
|
|
|
async def start(self, address, port, verbose=True, call_on_start=None):
|
|
runner = web.AppRunner(self.app)
|
|
await runner.setup()
|
|
site = web.TCPSite(runner, address, port)
|
|
await site.start()
|
|
|
|
if address == '':
|
|
address = '0.0.0.0'
|
|
if verbose:
|
|
print("Starting server\n")
|
|
print("To see the GUI go to: http://{}:{}".format(address, port))
|
|
if call_on_start is not None:
|
|
call_on_start(address, port)
|
|
|
|
def add_on_prompt_handler(self, handler):
|
|
self.on_prompt_handlers.append(handler)
|
|
|
|
def trigger_on_prompt(self, json_data):
|
|
for handler in self.on_prompt_handlers:
|
|
try:
|
|
json_data = handler(json_data)
|
|
except Exception as e:
|
|
print(f"[ERROR] An error occurred during the on_prompt_handler processing")
|
|
traceback.print_exc()
|
|
|
|
return json_data
|