import os import platform # system_name = platform.system() # 日志存储路径 LOG_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "logs") # 知识库默认存储路径 SOURCE_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "sources") # 知识库默认存储路径 KB_ROOT_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "knowledge_base") # 代码库默认存储路径 CB_ROOT_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "code_base") # nltk 模型存储路径 NLTK_DATA_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "nltk_data") # 代码存储路径 JUPYTER_WORK_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "jupyter_work") # WEB_CRAWL存储路径 WEB_CRAWL_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "knowledge_base") # NEBULA_DATA存储路径 NEBULA_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "data/nebula_data") # 语言模型存储路径 LOCAL_LLM_MODEL_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "llm_models") # 向量模型存储路径 LOCAL_EM_MODEL_DIR = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "embedding_models") # CHROMA 存储路径 CHROMA_PERSISTENT_PATH = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), "data/chroma_data") for _path in [LOG_PATH, SOURCE_PATH, KB_ROOT_PATH, CB_ROOT_PATH, NLTK_DATA_PATH, JUPYTER_WORK_PATH, WEB_CRAWL_PATH, NEBULA_PATH, CHROMA_PERSISTENT_PATH, LOCAL_LLM_MODEL_DIR, LOCAL_EM_MODEL_DIR]: if not os.path.exists(_path): os.makedirs(_path, exist_ok=True) path_envt_dict = { "LOG_PATH": LOG_PATH, "SOURCE_PATH": SOURCE_PATH, "KB_ROOT_PATH": KB_ROOT_PATH, "NLTK_DATA_PATH":NLTK_DATA_PATH, "JUPYTER_WORK_PATH": JUPYTER_WORK_PATH, "WEB_CRAWL_PATH": WEB_CRAWL_PATH, "NEBULA_PATH": NEBULA_PATH, "CHROMA_PERSISTENT_PATH": CHROMA_PERSISTENT_PATH } for path_name, _path in path_envt_dict.items(): os.environ[path_name] = _path # 数据库默认存储路径。 # 如果使用sqlite,可以直接修改DB_ROOT_PATH;如果使用其它数据库,请直接修改SQLALCHEMY_DATABASE_URI。 DB_ROOT_PATH = os.path.join(KB_ROOT_PATH, "info.db") SQLALCHEMY_DATABASE_URI = f"sqlite:///{DB_ROOT_PATH}" # 可选向量库类型及对应配置 kbs_config = { "faiss": { }, # "milvus": { # "host": "127.0.0.1", # "port": "19530", # "user": "", # "password": "", # "secure": False, # }, # "pg": { # "connection_uri": "postgresql://postgres:postgres@127.0.0.1:5432/langchain_chatchat", # } } # 默认向量库类型。可选:faiss, milvus, pg. DEFAULT_VS_TYPE = "faiss" # 缓存向量库数量 CACHED_VS_NUM = 1 # 知识库中单段文本长度 CHUNK_SIZE = 500 # 知识库中相邻文本重合长度 OVERLAP_SIZE = 50 # 知识库匹配向量数量 VECTOR_SEARCH_TOP_K = 5 # 知识库匹配相关度阈值,取值范围在0-1之间,SCORE越小,相关度越高,取到1相当于不筛选,建议设置在0.5左右 # Mac 可能存在无法使用normalized_L2的问题,因此调整SCORE_THRESHOLD至 0~1100 FAISS_NORMALIZE_L2 = True if system_name in ["Linux", "Windows"] else False SCORE_THRESHOLD = 1 if system_name in ["Linux", "Windows"] else 1100 # 搜索引擎匹配结题数量 SEARCH_ENGINE_TOP_K = 5 # 代码引擎匹配结题数量 CODE_SEARCH_TOP_K = 1 # API 是否开启跨域,默认为False,如果需要开启,请设置为True # is open cross domain OPEN_CROSS_DOMAIN = False # Bing 搜索必备变量 # 使用 Bing 搜索需要使用 Bing Subscription Key,需要在azure port中申请试用bing search # 具体申请方式请见 # https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/create-bing-search-service-resource # 使用python创建bing api 搜索实例详见: # https://learn.microsoft.com/en-us/bing/search-apis/bing-web-search/quickstarts/rest/python BING_SEARCH_URL = "https://api.bing.microsoft.com/v7.0/search" # 注意不是bing Webmaster Tools的api key, # 此外,如果是在服务器上,报Failed to establish a new connection: [Errno 110] Connection timed out # 是因为服务器加了防火墙,需要联系管理员加白名单,如果公司的服务器的话,就别想了GG BING_SUBSCRIPTION_KEY = "" # 是否开启中文标题加强,以及标题增强的相关配置 # 通过增加标题判断,判断哪些文本为标题,并在metadata中进行标记; # 然后将文本与往上一级的标题进行拼合,实现文本信息的增强。 ZH_TITLE_ENHANCE = False log_verbose = False