import os import json import yaml from pathlib import Path from src.utils.logging_config import setup_logger logger = setup_logger("Config") with open(Path("src/static/models.yaml"), "r") as f: _models = yaml.safe_load(f) MODEL_NAMES = _models["MODEL_NAMES"] EMBED_MODEL_INFO = _models["EMBED_MODEL_INFO"] RERANKER_LIST = _models["RERANKER_LIST"] class SimpleConfig(dict): def __key(self, key): return "" if key is None else key.lower() # 目前忘记了这里为什么要 lower 了，只能说配置项最好不要有大写的 def __str__(self): return json.dumps(self) def __setattr__(self, key, value): self[self.__key(key)] = value def __getattr__(self, key): return self.get(self.__key(key)) def __getitem__(self, key): return super().get(self.__key(key)) def __setitem__(self, key, value): return super().__setitem__(self.__key(key), value) def __dict__(self): return {k: v for k, v in self.items()} class Config(SimpleConfig): def __init__(self): super().__init__() self._config_items = {} self.save_dir = "saves" self.filename = str(Path("src/static/config.yaml")) os.makedirs(os.path.dirname(self.filename), exist_ok=True) ### >>> 默认配置 # 可以在 config/base.yaml 中覆盖 self.add_item("stream", default=True, des="是否开启流式输出") # 功能选项 self.add_item("enable_reranker", default=False, des="是否开启重排序") self.add_item("enable_knowledge_base", default=False, des="是否开启知识库") self.add_item("enable_knowledge_graph", default=False, des="是否开启知识图谱") self.add_item("enable_search_engine", default=False, des="是否开启搜索引擎") self.add_item("enable_web_search", default=False, des="是否开启网页搜索") # 模型配置 ## 注意这里是模型名，而不是具体的模型路径，默认使用 HuggingFace 的路径 ## 如果需要自定义本地模型路径，则在 src/.env 中配置 MODEL_DIR self.add_item("model_provider", default="zhipu", des="模型提供商", choices=list(MODEL_NAMES.keys())) self.add_item("model_name", default=None, des="模型名称") self.add_item("embed_model", default="zhipu-embedding-3", des="Embedding 模型", choices=list(EMBED_MODEL_INFO.keys())) self.add_item("reranker", default="bge-reranker-v2-m3", des="Re-Ranker 模型", choices=list(RERANKER_LIST.keys())) self.add_item("model_local_paths", default={}, des="本地模型路径") self.add_item("use_rewrite_query", default="off", des="重写查询", choices=["off", "on", "hyde"]) ### <<< 默认配置结束 self.load() self.handle_self() def add_item(self, key, default, des=None, choices=None): self.__setattr__(key, default) self._config_items[key] = { "default": default, "des": des, "choices": choices } def __dict__(self): blocklist = [ "_config_items", "model_names", "model_provider_status", ] return {k: v for k, v in self.items() if k not in blocklist} def handle_self(self): self.model_names = MODEL_NAMES model_provider_info = self.model_names.get(self.model_provider, {}) self.model_dir = os.environ.get("MODEL_DIR", "") # 检查模型提供商是否存在 if self.model_provider != "custom": if self.model_name not in model_provider_info["models"]: logger.warning(f"Model name {self.model_name} not in {self.model_provider}, using default model name") self.model_name = model_provider_info["default"] default_model_name = model_provider_info["default"] self.model_name = self.get("model_name") or default_model_name else: self.model_name = self.get("model_name") if self.model_name not in [item["custom_id"] for item in self.custom_models]: logger.warning(f"Model name {self.model_name} not in custom models, using default model name") self.model_name = self.custom_models[0]["custom_id"] # 检查模型提供商的环境变量 conds = {} self.model_provider_status = {} for provider in self.model_names: conds[provider] = self.model_names[provider]["env"] conds_bool = [bool(os.getenv(_k)) for _k in conds[provider]] self.model_provider_status[provider] = all(conds_bool) # 检查web_search的环境变量 if self.enable_web_search and not os.getenv("TAVILY_API_KEY"): logger.warning("TAVILY_API_KEY not set, web search will be disabled") self.enable_web_search = False self.valuable_model_provider = [k for k, v in self.model_provider_status.items() if v] assert len(self.valuable_model_provider) > 0, f"No model provider available, please check your `.env` file. API_KEY_LIST: {conds}" def load(self): """根据传入的文件覆盖掉默认配置""" logger.info(f"Loading config from {self.filename}") if self.filename is not None and os.path.exists(self.filename): if self.filename.endswith(".json"): with open(self.filename, 'r') as f: content = f.read() if content: local_config = json.loads(content) self.update(local_config) else: print(f"{self.filename} is empty.") elif self.filename.endswith(".yaml"): with open(self.filename, 'r') as f: content = f.read() if content: local_config = yaml.safe_load(content) self.update(local_config) else: print(f"{self.filename} is empty.") else: logger.warning(f"Unknown config file type {self.filename}") else: logger.warning(f"\n\n{'='*70}\n{'Config file not found':^70}\n{'You can custum your config in `' + self.filename + '`':^70}\n{'='*70}\n\n") def save(self): logger.info(f"Saving config to {self.filename}") if self.filename is None: logger.warning("Config file is not specified, save to default config/base.yaml") self.filename = os.path.join(self.save_dir, "config", "config.yaml") os.makedirs(os.path.dirname(self.filename), exist_ok=True) if self.filename.endswith(".json"): with open(self.filename, 'w+') as f: json.dump(self.__dict__(), f, indent=4, ensure_ascii=False) elif self.filename.endswith(".yaml"): with open(self.filename, 'w+') as f: yaml.dump(self.__dict__(), f, indent=2, allow_unicode=True) else: logger.warning(f"Unknown config file type {self.filename}, save as json") with open(self.filename, 'w+') as f: json.dump(self, f, indent=4) logger.info(f"Config file {self.filename} saved")