421 lines
17 KiB
Python
421 lines
17 KiB
Python
# SPDX-License-Identifier: Apache-2.0
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# Copyright 2025-2026 Raykosan (RaykoStudio)
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import folder_paths
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import json
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import os
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import struct
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import hashlib
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import re
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import asyncio
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import urllib.request
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import urllib.error
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from server import PromptServer
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from datetime import datetime
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import aiohttp
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CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
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PRESETS_DIR = os.path.join(CURRENT_DIR, "preset_models")
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LORA_PRESETS_DIR = os.path.join(PRESETS_DIR, "loras")
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RAYKO_LORA_DATA_DIR = os.path.join(CURRENT_DIR, "rayko_lora_data")
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os.makedirs(PRESETS_DIR, exist_ok=True)
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os.makedirs(LORA_PRESETS_DIR, exist_ok=True)
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os.makedirs(RAYKO_LORA_DATA_DIR, exist_ok=True)
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def clean_html(text):
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if not text:
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return ""
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clean = re.sub(r'<[^>]+>', ' ', str(text))
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clean = re.sub(r'\s+', ' ', clean).strip()
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return clean
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def compute_sha256(file_path):
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sha256_hash = hashlib.sha256()
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with open(file_path, "rb") as f:
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for chunk in iter(lambda: f.read(8192), b""):
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sha256_hash.update(chunk)
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return sha256_hash.hexdigest()
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def _http_get_json(url, headers=None, timeout=30):
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req = urllib.request.Request(url, headers=headers or {})
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opener = urllib.request.build_opener()
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try:
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with opener.open(req, timeout=timeout) as resp:
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raw = resp.read().decode("utf-8", errors="replace")
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try:
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return resp.status, json.loads(raw)
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except json.JSONDecodeError:
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return resp.status, None
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except urllib.error.HTTPError as e:
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return e.code, None
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def save_to_rayko_db(file_hash, data, source, overwrite=False):
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db_path = os.path.join(RAYKO_LORA_DATA_DIR, f"{file_hash}.json")
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if not overwrite and os.path.exists(db_path):
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return False
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db_data = {
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"hash": file_hash,
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"name": data.get("full_name", ""),
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"trained_words": data.get("trained_words", []),
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"description": data.get("description", ""),
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"source": source,
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"imported_at": datetime.now().isoformat()
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}
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with open(db_path, 'w', encoding='utf-8') as f:
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json.dump(db_data, f, indent=2, ensure_ascii=False)
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return True
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def extract_metadata_from_safetensors(lora_full_path):
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try:
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with open(lora_full_path, "rb") as f:
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header_size = struct.unpack("<Q", f.read(8))[0]
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header_bytes = f.read(header_size)
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header = json.loads(header_bytes.decode("utf-8"))
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if "__metadata__" in header:
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meta = header["__metadata__"]
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return {
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"full_name": meta.get("modelspec.title", ""),
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"trained_words": [t.strip() for t in meta.get("modelspec.tags", "").split(",") if t.strip()] if "modelspec.tags" in meta else [],
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"description": clean_html(meta.get("modelspec.description", "") or meta.get("ss_training_comment", ""))
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}
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except Exception:
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pass
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return None
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@PromptServer.instance.routes.get("/rayko/get_loras")
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async def get_loras(request):
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return aiohttp.web.json_response(sorted(folder_paths.get_filename_list("loras"), key=lambda x: x.lower()))
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@PromptServer.instance.routes.post("/rayko/get_lora_info")
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async def rayko_get_lora_info(request):
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try:
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data = await request.json()
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lora_name = data.get("name", "")
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if not lora_name:
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return aiohttp.web.Response(status=400, text="No name provided")
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lora_relative_path = lora_name.replace("\\", "/")
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lora_full_path = folder_paths.get_full_path("loras", lora_relative_path)
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if not lora_full_path or not os.path.exists(lora_full_path):
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return aiohttp.web.json_response({"error": "File not found"})
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file_hash = compute_sha256(lora_full_path)
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db_path = os.path.join(RAYKO_LORA_DATA_DIR, f"{file_hash}.json")
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if os.path.exists(db_path):
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try:
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with open(db_path, 'r', encoding='utf-8') as f:
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db_data = json.load(f)
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return aiohttp.web.json_response({
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"full_name": db_data.get("name", lora_name),
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"trained_words": db_data.get("trained_words", []),
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"description": clean_html(db_data.get("description", "")),
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"source": db_data.get("source", "rayko_db")
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})
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except Exception:
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pass
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safetensors_meta = extract_metadata_from_safetensors(lora_full_path)
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if safetensors_meta and (safetensors_meta["trained_words"] or safetensors_meta["description"]):
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save_to_rayko_db(file_hash, safetensors_meta, "safetensors")
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return aiohttp.web.json_response({
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"full_name": safetensors_meta["full_name"] or lora_name,
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"trained_words": safetensors_meta["trained_words"],
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"description": safetensors_meta["description"],
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"source": "safetensors"
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})
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return aiohttp.web.json_response({
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"full_name": lora_name,
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"trained_words": [],
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"description": "",
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"source": "none"
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})
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko/fetch_civitai_info")
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async def rayko_fetch_civitai_info(request):
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try:
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data = await request.json()
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lora_name = data.get("name", "")
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if not lora_name:
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return aiohttp.web.Response(status=400, text="No name provided")
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lora_relative_path = lora_name.replace("\\", "/")
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lora_full_path = folder_paths.get_full_path("loras", lora_relative_path)
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if not lora_full_path or not os.path.exists(lora_full_path):
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return aiohttp.web.json_response({"error": "File not found"})
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file_hash = compute_sha256(lora_full_path)
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civitai_url = f"https://civitai.com/api/v1/model-versions/by-hash/{file_hash}"
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headers = {"User-Agent": "ComfyUI-RaykoStudio/1.0"}
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status, civitai_data = await asyncio.to_thread(_http_get_json, civitai_url, headers)
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if status == 404:
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return aiohttp.web.json_response({"error": "not_found", "message": "Not found on Civitai."})
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elif status == 429:
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return aiohttp.web.json_response({"error": "rate_limit", "message": "Rate limit reached."})
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elif status != 200 or not civitai_data:
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return aiohttp.web.json_response({"error": "api_error", "message": f"API status {status}"})
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model_id = civitai_data.get("modelId")
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model_tags = []
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if model_id:
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try:
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model_url = f"https://civitai.com/api/v1/models/{model_id}"
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m_status, model_data = await asyncio.to_thread(_http_get_json, model_url, headers)
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if m_status == 200 and isinstance(model_data, dict):
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model_tags = model_data.get("tags", [])
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except Exception as e:
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print(f"[Rayko] Error fetching full model details: {e}")
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raw_trained = civitai_data.get("trainedWords", [])
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trained_words = []
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if isinstance(raw_trained, list):
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trained_words.extend([str(t).strip() for t in raw_trained if str(t).strip()])
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if isinstance(model_tags, list):
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trained_words.extend([str(t).strip() for t in model_tags if str(t).strip()])
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trained_words = list(dict.fromkeys(trained_words))
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raw_description = civitai_data.get("description", "")
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clean_description = clean_html(raw_description)
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model_name = civitai_data.get("model", {}).get("name", "")
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version_name = civitai_data.get("name", "")
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if model_name:
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if version_name and version_name.lower() not in ["v1", "v1.0", "default", "latest", ""]:
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full_name = f"{model_name} ({version_name})"
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else:
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full_name = model_name
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else:
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full_name = lora_name
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cache_data = {
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"full_name": full_name,
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"trained_words": trained_words,
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"description": clean_description
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}
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save_to_rayko_db(file_hash, cache_data, "civitai", overwrite=True)
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return aiohttp.web.json_response({
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"full_name": full_name,
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"trained_words": trained_words,
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"description": clean_description,
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"source": "civitai"
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})
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except urllib.error.URLError as e:
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return aiohttp.web.json_response({"error": "network", "message": f"Network error: {str(e)}"})
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko_models/save_preset")
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async def rayko_models_save_preset(request):
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try:
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data = await request.json()
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name = "".join(c for c in data.get("name", "").strip() if c.isalnum() or c in " _-").strip()
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if not name: return aiohttp.web.Response(status=400, text="Invalid name")
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filepath = os.path.join(PRESETS_DIR, f"{name}.json")
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preset_data = {k: v for k, v in data.items() if k != "name"}
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with open(filepath, 'w', encoding='utf-8') as f:
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json.dump(preset_data, f, indent=2)
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return aiohttp.web.Response(status=200, text="OK")
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko_models/list_presets")
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async def rayko_models_list_presets(request):
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try:
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presets = [f[:-5] for f in os.listdir(PRESETS_DIR) if f.endswith('.json')] if os.path.exists(PRESETS_DIR) else []
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return aiohttp.web.json_response(sorted(presets, key=lambda x: x.lower()))
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko_models/load_preset")
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async def rayko_models_load_preset(request):
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try:
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name = (await request.json()).get("name")
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filepath = os.path.join(PRESETS_DIR, f"{name}.json")
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if os.path.exists(filepath):
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with open(filepath, 'r', encoding='utf-8') as f:
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return aiohttp.web.json_response(json.load(f))
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return aiohttp.web.Response(status=404, text="Preset not found")
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko_models/delete_preset")
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async def rayko_models_delete_preset(request):
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try:
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name = (await request.json()).get("name")
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filepath = os.path.join(PRESETS_DIR, f"{name}.json")
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if os.path.exists(filepath):
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os.remove(filepath)
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return aiohttp.web.Response(status=200, text="OK")
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return aiohttp.web.Response(status=404, text="Preset not found")
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko_loras/save_preset")
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async def rayko_loras_save_preset(request):
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try:
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data = await request.json()
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name = "".join(c for c in data.get("name", "").strip() if c.isalnum() or c in " _-").strip()
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if not name: return aiohttp.web.Response(status=400, text="Invalid name")
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filepath = os.path.join(LORA_PRESETS_DIR, f"{name}.json")
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lora_rows = data.get("lora_rows", [])
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with open(filepath, 'w', encoding='utf-8') as f:
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json.dump({"lora_rows": lora_rows}, f, indent=2)
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return aiohttp.web.Response(status=200, text="OK")
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko_loras/list_presets")
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async def rayko_loras_list_presets(request):
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try:
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presets = [f[:-5] for f in os.listdir(LORA_PRESETS_DIR) if f.endswith('.json')] if os.path.exists(LORA_PRESETS_DIR) else []
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return aiohttp.web.json_response(sorted(presets, key=lambda x: x.lower()))
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko_loras/load_preset")
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async def rayko_loras_load_preset(request):
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try:
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name = (await request.json()).get("name")
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filepath = os.path.join(LORA_PRESETS_DIR, f"{name}.json")
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if os.path.exists(filepath):
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with open(filepath, 'r', encoding='utf-8') as f:
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return aiohttp.web.json_response(json.load(f))
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return aiohttp.web.Response(status=404, text="Preset not found")
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko_loras/delete_preset")
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async def rayko_loras_delete_preset(request):
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try:
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name = (await request.json()).get("name")
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filepath = os.path.join(LORA_PRESETS_DIR, f"{name}.json")
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if os.path.exists(filepath):
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os.remove(filepath)
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return aiohttp.web.Response(status=200, text="OK")
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return aiohttp.web.Response(status=404, text="Preset not found")
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko/add_tags")
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async def rayko_add_tags(request):
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try:
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data = await request.json()
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lora_name = data.get("name", "")
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new_tags = data.get("tags", [])
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if not lora_name:
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return aiohttp.web.Response(status=400, text="No name provided")
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if not isinstance(new_tags, list) or not new_tags:
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return aiohttp.web.json_response({"error": "No tags provided"})
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lora_relative_path = lora_name.replace("\\", "/")
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lora_full_path = folder_paths.get_full_path("loras", lora_relative_path)
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if not lora_full_path or not os.path.exists(lora_full_path):
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return aiohttp.web.json_response({"error": "File not found"})
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file_hash = compute_sha256(lora_full_path)
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db_path = os.path.join(RAYKO_LORA_DATA_DIR, f"{file_hash}.json")
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existing_data = {}
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if os.path.exists(db_path):
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try:
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with open(db_path, 'r', encoding='utf-8') as f:
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existing_data = json.load(f)
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except Exception:
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pass
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existing_tags = existing_data.get("trained_words", [])
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if not isinstance(existing_tags, list):
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existing_tags = []
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combined_tags = existing_tags.copy()
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for tag in new_tags:
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tag = str(tag).strip()
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if tag and tag not in combined_tags:
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combined_tags.append(tag)
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save_data = {
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"full_name": existing_data.get("name", ""),
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"trained_words": combined_tags,
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"description": existing_data.get("description", "")
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}
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save_to_rayko_db(file_hash, save_data, "manual", overwrite=True)
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return aiohttp.web.json_response({
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"trained_words": combined_tags,
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"added": len(combined_tags) - len(existing_tags)
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})
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e))
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@PromptServer.instance.routes.post("/rayko/remove_tag")
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async def rayko_remove_tag(request):
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try:
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data = await request.json()
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lora_name = data.get("name", "")
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tag_to_remove = data.get("tag", "")
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if not lora_name or not tag_to_remove:
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return aiohttp.web.Response(status=400, text="Missing parameters")
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lora_relative_path = lora_name.replace("\\", "/")
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lora_full_path = folder_paths.get_full_path("loras", lora_relative_path)
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if not lora_full_path or not os.path.exists(lora_full_path):
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return aiohttp.web.json_response({"error": "File not found"})
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file_hash = compute_sha256(lora_full_path)
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db_path = os.path.join(RAYKO_LORA_DATA_DIR, f"{file_hash}.json")
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if not os.path.exists(db_path):
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return aiohttp.web.json_response({"error": "No data found"})
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with open(db_path, 'r', encoding='utf-8') as f:
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existing_data = json.load(f)
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existing_tags = existing_data.get("trained_words", [])
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if tag_to_remove in existing_tags:
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existing_tags.remove(tag_to_remove)
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save_data = {
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"full_name": existing_data.get("name", ""),
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"trained_words": existing_tags,
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"description": existing_data.get("description", "")
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}
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save_to_rayko_db(file_hash, save_data, existing_data.get("source", "manual"), overwrite=True)
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return aiohttp.web.json_response({
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"trained_words": existing_tags,
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"removed": tag_to_remove
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})
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except Exception as e:
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return aiohttp.web.Response(status=500, text=str(e)) |