mirror of
https://github.com/comfyanonymous/ComfyUI.git
synced 2026-02-16 08:22:36 +08:00
88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
from __future__ import annotations
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from typing import TypedDict
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import os
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import folder_paths
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import glob
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from aiohttp import web
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import hashlib
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class Source:
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custom_node = "custom_node"
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class SubgraphEntry(TypedDict):
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source: str
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"""
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Source of subgraph - custom_nodes vs templates.
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"""
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path: str
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"""
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Relative path of the subgraph file.
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For custom nodes, will be the relative directory like <custom_node_dir>/subgraphs/<name>.json
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"""
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name: str
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"""
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Name of subgraph file.
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"""
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info: CustomNodeSubgraphEntryInfo
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"""
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Additional info about subgraph; in the case of custom_nodes, will contain nodepack name
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"""
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class CustomNodeSubgraphEntryInfo(TypedDict):
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node_pack: str
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"""Node pack name."""
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class SubgraphManager:
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def __init__(self):
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self.cached_custom_node_subgraphs: dict[SubgraphEntry] | None = None
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async def get_custom_node_subgraphs(self, force_reload=False):
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# if not forced to reload and cached, return cache
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if not force_reload and self.cached_custom_node_subgraphs is not None:
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return self.cached_custom_node_subgraphs
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# Load subgraphs from custom nodes
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subfolder = "subgraphs"
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subgraphs_dict: dict[SubgraphEntry] = {}
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for folder in folder_paths.get_folder_paths("custom_nodes"):
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pattern = os.path.join(folder, f"*/{subfolder}/*.json")
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matched_files = glob.glob(pattern)
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for file in matched_files:
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info: CustomNodeSubgraphEntryInfo = {
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"node_pack": folder
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}
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path = f"{folder}/{file.split(folder)[-1]}"
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source = Source.custom_node
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# hash source + path to make sure id will be as unique as possible, but
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# reproducible across backend reloads
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id = hashlib.sha256(f"{source}{path}".encode()).hexdigest()
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entry: SubgraphEntry = {
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"source": Source.custom_node,
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"name": os.path.splitext(os.path.basename(file))[0],
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"path": path,
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"info": info
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}
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subgraphs_dict[id] = entry
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self.cached_custom_node_subgraphs = subgraphs_dict
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return subgraphs_dict
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async def get_custom_node_subgraph(self, id: str):
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subgraphs = await self.get_custom_node_subgraphs()
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return subgraphs.get(id, None)
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def add_routes(self, routes, loadedModules):
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@routes.get("/global_subgraphs")
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async def get_global_subgraphs(request):
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subgraphs_dict = await self.get_custom_node_subgraphs(loadedModules)
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# NOTE: we may want to include other sources of global subgraphs such as templates in the future;
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# that's the reasoning for the current implementation
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return web.json_response(subgraphs_dict)
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@routes.get("/global_subgraphs/{id}")
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async def get_global_subgraph(request):
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id = request.match_info.get("id", None)
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subgraph = await self.get_custom_node_subgraph(id)
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return web.json_response(subgraph)
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