284 lines
11 KiB
Python
284 lines
11 KiB
Python
import os
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import re
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import logging
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import json
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from typing import Dict, List, Tuple, Optional, Any
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import folder_paths
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logger = logging.getLogger(__name__)
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class RaykoStylesCSVLoader:
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STYLES_FOLDER = "styles"
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@classmethod
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def get_node_dir(cls) -> str:
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return os.path.dirname(os.path.abspath(__file__))
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@classmethod
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def get_styles_folder_path(cls) -> str:
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return os.path.join(cls.get_node_dir(), cls.STYLES_FOLDER)
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@classmethod
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def get_available_style_files(cls) -> List[str]:
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styles_folder = cls.get_styles_folder_path()
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if not os.path.exists(styles_folder):
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os.makedirs(styles_folder, exist_ok=True)
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return []
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files = [
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f for f in os.listdir(styles_folder)
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if os.path.isfile(os.path.join(styles_folder, f))
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and f.lower().endswith('.csv')
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]
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return sorted(files)
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@classmethod
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def load_styles_csv(cls, styles_path: str) -> Dict[str, List[str]]:
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styles = {}
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if not os.path.exists(styles_path):
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logger.error(f"Style file not found: {styles_path}")
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return {}
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try:
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with open(styles_path, "r", encoding="utf-8") as f:
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lines = f.readlines()
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if not lines:
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logger.warning(f"Empty file: {styles_path}")
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return {}
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for i, line in enumerate(lines[1:], 1):
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line = line.strip()
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if not line:
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continue
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parts = [
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part.strip().strip('"') for part in re.split(
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',(?=(?:[^"]*"[^"]*")*[^"]*$)', line
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)
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]
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if len(parts) >= 3:
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style_name = parts[0].strip()
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positive_prompt = parts[1].strip()
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negative_prompt = parts[2].strip()
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styles[style_name] = [positive_prompt, negative_prompt]
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else:
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logger.warning(f"Invalid format in line {i}: {line}")
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return styles
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except Exception as e:
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logger.error(f"Error loading styles from {styles_path}: {str(e)}")
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return {}
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@classmethod
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def get_style_prompts(cls, style_file: str, style_name: str) -> Tuple[str, str]:
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if not style_file or not style_name:
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return ("", "")
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# SECURITY: Sanitize filename to prevent path traversal
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safe_filename = os.path.basename(style_file.strip())
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styles_folder = cls.get_styles_folder_path()
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file_path = os.path.join(styles_folder, safe_filename)
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# SECURITY: Ensure resolved path stays within allowed folder
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if not os.path.realpath(file_path).startswith(os.path.realpath(styles_folder) + os.sep):
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logger.error(f"Path traversal attempt blocked: {style_file}")
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return ("", "")
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styles = cls.load_styles_csv(file_path)
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if style_name in styles:
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return (styles[style_name][0], styles[style_name][1])
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style_name_clean = style_name.strip()
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for key in styles:
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if key.strip() == style_name_clean:
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return (styles[key][0], styles[key][1])
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return ("", "")
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@classmethod
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def INPUT_TYPES(cls) -> Dict[str, Any]:
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return {
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"required": {
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"node_data": ("STRING", {
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"default": "{}",
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"hidden": True
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}),
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}
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}
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RETURN_TYPES = ("STRING", "STRING")
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RETURN_NAMES = ("positive prompt", "negative prompt")
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FUNCTION = "load_style"
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CATEGORY = "🦊 RaykoStudio"
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DESCRIPTION = "Loads and combines styles from CSV files for prompt generation."
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@classmethod
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def IS_CHANGED(cls, node_data="{}", **kwargs):
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import hashlib
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return hashlib.md5(node_data.encode()).hexdigest()
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def load_style(self, node_data: str = "{}") -> Tuple[str, str]:
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try:
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data = json.loads(node_data) if node_data else {}
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styles_list = data.get("styles", [])
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if not styles_list:
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return ("", "")
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all_positive = []
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all_negative = []
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for style in styles_list:
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name = style.get("name", "")
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file = style.get("file", "")
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enabled = style.get("enabled", True)
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if name and enabled:
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pos, neg = self.get_style_prompts(file, name)
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if pos:
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all_positive.append(pos)
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if neg:
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all_negative.append(neg)
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final_positive = "\n".join(all_positive) if all_positive else ""
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final_negative = "\n".join(all_negative) if all_negative else ""
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return (final_positive, final_negative)
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except Exception as e:
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error_msg = f"Error loading styles: {str(e)}"
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logger.error(error_msg)
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return (error_msg, "")
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class RaykoServer:
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@classmethod
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def _sanitize_filename(cls, filename: str, allowed_folder: str) -> Optional[str]:
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"""
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SECURITY: Prevent path traversal by sanitizing user-supplied filenames.
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Returns safe filename or None if validation fails.
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"""
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if not filename:
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return None
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# Strip any directory components from the filename
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safe_name = os.path.basename(filename.strip())
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if not safe_name or not safe_name.lower().endswith('.csv'):
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return None
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# Ensure the final resolved path stays within the allowed folder
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target_path = os.path.join(allowed_folder, safe_name)
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real_target = os.path.realpath(target_path)
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real_base = os.path.realpath(allowed_folder)
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if not real_target.startswith(real_base + os.sep) and real_target != real_base:
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logger.warning(f"Path traversal attempt blocked: {filename} -> {real_target}")
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return None
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return safe_name
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@classmethod
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def setup_routes(cls):
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try:
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from aiohttp import web
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import server
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@server.PromptServer.instance.routes.get("/rayko_get_csv_files")
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async def get_csv_files(request):
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try:
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files = RaykoStylesCSVLoader.get_available_style_files()
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return web.json_response(files)
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except Exception as e:
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logger.error(f"Error getting CSV files: {e}")
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return web.json_response({"error": str(e)}, status=500)
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@server.PromptServer.instance.routes.post("/rayko_upload_csv_file")
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async def upload_csv_file(request):
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try:
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reader = await request.multipart()
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field = await reader.next()
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if not field or field.name != 'file':
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return web.json_response({'error': 'No file provided'}, status=400)
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original_filename = field.filename
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styles_folder = RaykoStylesCSVLoader.get_styles_folder_path()
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os.makedirs(styles_folder, exist_ok=True)
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# SECURITY: Sanitize filename before use
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safe_filename = cls._sanitize_filename(original_filename, styles_folder)
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if not safe_filename:
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return web.json_response({'error': 'Invalid or unsafe filename'}, status=400)
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file_path = os.path.join(styles_folder, safe_filename)
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# Write file content safely
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try:
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with open(file_path, 'wb') as f:
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while True:
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chunk = await field.read_chunk()
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if not chunk:
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break
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f.write(chunk)
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except Exception as write_err:
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logger.error(f"Error writing file: {write_err}")
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if os.path.exists(file_path):
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os.remove(file_path)
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return web.json_response({'error': 'Failed to save file'}, status=500)
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return web.json_response({
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'success': True,
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'filename': safe_filename
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})
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except Exception as e:
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logger.error(f"Error uploading file: {e}")
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return web.json_response({'error': str(e)}, status=500)
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@server.PromptServer.instance.routes.post("/rayko_get_styles_from_file")
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async def get_styles_from_file(request):
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try:
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data = await request.json()
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filename = data.get('filename')
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if not filename:
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return web.json_response({'error': 'No filename provided'}, status=400)
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# SECURITY: Sanitize filename before use
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safe_filename = cls._sanitize_filename(filename, RaykoStylesCSVLoader.get_styles_folder_path())
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if not safe_filename:
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return web.json_response({'error': 'Invalid filename'}, status=400)
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styles_folder = RaykoStylesCSVLoader.get_styles_folder_path()
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file_path = os.path.join(styles_folder, safe_filename)
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styles = RaykoStylesCSVLoader.load_styles_csv(file_path)
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return web.json_response({'styles': list(styles.keys())})
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except Exception as e:
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logger.error(f"Error loading styles: {e}")
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return web.json_response({'error': str(e)}, status=500)
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except Exception as e:
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logger.error(f"Failed to register server routes: {e}")
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try:
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styles_folder = RaykoStylesCSVLoader.get_styles_folder_path()
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os.makedirs(styles_folder, exist_ok=True)
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except Exception as e:
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logger.error(f"Failed to create styles folder: {e}")
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try:
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RaykoServer.setup_routes()
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except Exception as e:
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logger.error(f"Failed to setup server routes: {e}")
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NODE_CLASS_MAPPINGS = {
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"Rayko_Styles_CSV_Loader": RaykoStylesCSVLoader
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}
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NODE_DISPLAY_NAME_MAPPINGS = {
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"Rayko_Styles_CSV_Loader": "🦊 RS Styles Loader"
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} |