453 lines
18 KiB
Python
453 lines
18 KiB
Python
"""Configuration management for TH Agenter."""
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import os
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import yaml
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from pathlib import Path
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from loguru import logger
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from typing import Any, Dict, List, Optional, Union
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from pydantic import Field, field_validator
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from pydantic_settings import BaseSettings
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from functools import lru_cache
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class DatabaseSettings(BaseSettings):
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"""Database configuration."""
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url: str = Field(..., alias="database_url") # Must be provided via environment variable
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echo: bool = Field(default=False)
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pool_size: int = Field(default=5)
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max_overflow: int = Field(default=10)
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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class SecuritySettings(BaseSettings):
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"""Security configuration."""
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secret_key: str = Field(default="your-secret-key-here-change-in-production")
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algorithm: str = Field(default="HS256")
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access_token_expire_minutes: int = Field(default=300)
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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class ToolSetings(BaseSettings):
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# Tavily搜索配置
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tavily_api_key: Optional[str] = Field(default=None)
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weather_api_key: Optional[str] = Field(default=None)
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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class LLMSettings(BaseSettings):
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"""大模型配置 - 支持多种OpenAI协议兼容的服务商."""
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provider: str = Field(default="openai", alias="llm_provider") # openai, deepseek, doubao, zhipu, moonshot
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# OpenAI配置
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openai_api_key: Optional[str] = Field(default=None)
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openai_base_url: str = Field(default="https://api.openai.com/v1")
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openai_model: str = Field(default="gpt-3.5-turbo")
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# DeepSeek配置
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deepseek_api_key: Optional[str] = Field(default=None)
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deepseek_base_url: str = Field(default="https://api.deepseek.com/v1")
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deepseek_model: str = Field(default="deepseek-chat")
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# 豆包配置
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doubao_api_key: Optional[str] = Field(default=None)
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doubao_base_url: str = Field(default="https://ark.cn-beijing.volces.com/api/v3")
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doubao_model: str = Field(default="doubao-lite-4k")
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# 智谱AI配置
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zhipu_api_key: Optional[str] = Field(default=None)
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zhipu_base_url: str = Field(default="https://open.bigmodel.cn/api/paas/v4")
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zhipu_model: str = Field(default="glm-4")
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zhipu_embedding_model: str = Field(default="embedding-3")
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# 月之暗面配置
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moonshot_api_key: Optional[str] = Field(default=None)
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moonshot_base_url: str = Field(default="https://api.moonshot.cn/v1")
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moonshot_model: str = Field(default="moonshot-v1-8k")
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# 通用配置
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max_tokens: int = Field(default=2048)
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temperature: float = Field(default=0.7)
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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def get_current_config(self) -> dict:
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"""获取当前选择的提供商配置 - 优先从数据库读取默认配置."""
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try:
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# 尝试从数据库读取默认聊天模型配置
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from th_agenter.services.llm_config_service import LLMConfigService
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llm_service = LLMConfigService()
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db_config = llm_service.get_default_chat_config()
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if db_config:
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# 如果数据库中有默认配置，使用数据库配置
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config = {
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"api_key": db_config.api_key,
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"base_url": db_config.base_url,
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"model": db_config.model_name,
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"max_tokens": self.max_tokens,
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"temperature": self.temperature
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}
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return config
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except Exception as e:
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# 如果数据库读取失败，记录错误并回退到环境变量
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logger.warning(f"Failed to read LLM config from database, falling back to env vars: {e}")
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# 回退到原有的环境变量配置
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provider_configs = {
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"openai": {
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"api_key": self.openai_api_key,
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"base_url": self.openai_base_url,
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"model": self.openai_model
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},
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"deepseek": {
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"api_key": self.deepseek_api_key,
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"base_url": self.deepseek_base_url,
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"model": self.deepseek_model
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},
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"doubao": {
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"api_key": self.doubao_api_key,
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"base_url": self.doubao_base_url,
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"model": self.doubao_model
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},
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"zhipu": {
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"api_key": self.zhipu_api_key,
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"base_url": self.zhipu_base_url,
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"model": self.zhipu_model
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},
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"moonshot": {
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"api_key": self.moonshot_api_key,
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"base_url": self.moonshot_base_url,
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"model": self.moonshot_model
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}
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}
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config = provider_configs.get(self.provider, provider_configs["openai"])
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config.update({
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"max_tokens": self.max_tokens,
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"temperature": self.temperature
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})
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return config
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class EmbeddingSettings(BaseSettings):
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"""Embedding模型配置 - 支持多种提供商."""
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provider: str = Field(default="zhipu", alias="embedding_provider") # openai, deepseek, doubao, zhipu, moonshot
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# OpenAI配置
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openai_api_key: Optional[str] = Field(default=None)
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openai_base_url: str = Field(default="https://api.openai.com/v1")
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openai_embedding_model: str = Field(default="text-embedding-ada-002")
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# DeepSeek配置
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deepseek_api_key: Optional[str] = Field(default=None)
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deepseek_base_url: str = Field(default="https://api.deepseek.com/v1")
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deepseek_embedding_model: str = Field(default="deepseek-embedding")
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# 豆包配置
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doubao_api_key: Optional[str] = Field(default=None)
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doubao_base_url: str = Field(default="https://ark.cn-beijing.volces.com/api/v3")
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doubao_embedding_model: str = Field(default="doubao-embedding")
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# 智谱AI配置
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zhipu_api_key: Optional[str] = Field(default=None)
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zhipu_base_url: str = Field(default="https://open.bigmodel.cn/api/paas/v4")
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zhipu_embedding_model: str = Field(default="embedding-3")
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# 月之暗面配置
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moonshot_api_key: Optional[str] = Field(default=None)
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moonshot_base_url: str = Field(default="https://api.moonshot.cn/v1")
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moonshot_embedding_model: str = Field(default="moonshot-embedding")
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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def get_current_config(self) -> dict:
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"""获取当前选择的embedding提供商配置 - 优先从数据库读取默认配置."""
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try:
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# 尝试从数据库读取默认嵌入模型配置
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from th_agenter.services.llm_config_service import LLMConfigService
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llm_service = LLMConfigService()
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db_config = llm_service.get_default_embedding_config()
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if db_config:
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# 如果数据库中有默认配置，使用数据库配置
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config = {
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"api_key": db_config.api_key,
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"base_url": db_config.base_url,
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"model": db_config.model_name
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}
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return config
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except Exception as e:
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# 如果数据库读取失败，记录错误并回退到环境变量
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logger.warning(f"Failed to read embedding config from database, falling back to env vars: {e}")
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# 回退到原有的环境变量配置
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provider_configs = {
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"openai": {
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"api_key": self.openai_api_key,
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"base_url": self.openai_base_url,
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"model": self.openai_embedding_model
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},
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"deepseek": {
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"api_key": self.deepseek_api_key,
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"base_url": self.deepseek_base_url,
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"model": self.deepseek_embedding_model
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},
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"doubao": {
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"api_key": self.doubao_api_key,
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"base_url": self.doubao_base_url,
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"model": self.doubao_embedding_model
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},
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"zhipu": {
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"api_key": self.zhipu_api_key,
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"base_url": self.zhipu_base_url,
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"model": self.zhipu_embedding_model
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},
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"moonshot": {
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"api_key": self.moonshot_api_key,
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"base_url": self.moonshot_base_url,
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"model": self.moonshot_embedding_model
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}
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}
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return provider_configs.get(self.provider, provider_configs["zhipu"])
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class VectorDBSettings(BaseSettings):
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"""Vector database configuration."""
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type: str = Field(default="pgvector", alias="vector_db_type")
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persist_directory: str = Field(default="./data/chroma")
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collection_name: str = Field(default="documents")
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embedding_dimension: int = Field(default=2048) # 智谱AI embedding-3模型的维度
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# PostgreSQL pgvector configuration
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pgvector_host: str = Field(default="localhost")
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pgvector_port: int = Field(default=5432)
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pgvector_database: str = Field(default="vectordb")
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pgvector_user: str = Field(default="postgres")
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pgvector_password: str = Field(default="")
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pgvector_table_name: str = Field(default="embeddings")
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pgvector_vector_dimension: int = Field(default=1024)
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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class FileSettings(BaseSettings):
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"""File processing configuration."""
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upload_dir: str = Field(default="./data/uploads")
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max_size: int = Field(default=10485760) # 10MB
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allowed_extensions: Union[str, List[str]] = Field(default=[".txt", ".pdf", ".docx", ".md"])
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chunk_size: int = Field(default=1000)
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chunk_overlap: int = Field(default=200)
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semantic_splitter_enabled: bool = Field(default=False) # 是否启用语义分割器
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@field_validator('allowed_extensions', mode='before')
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@classmethod
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def parse_allowed_extensions(cls, v):
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"""Parse comma-separated string to list of extensions."""
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if isinstance(v, str):
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# Split by comma and add dots if not present
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extensions = [ext.strip() for ext in v.split(',')]
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return [ext if ext.startswith('.') else f'.{ext}' for ext in extensions]
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elif isinstance(v, list):
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# Ensure all extensions start with dot
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return [ext if ext.startswith('.') else f'.{ext}' for ext in v]
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return v
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def get_allowed_extensions_list(self) -> List[str]:
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"""Get allowed extensions as a list."""
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if isinstance(self.allowed_extensions, list):
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return self.allowed_extensions
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elif isinstance(self.allowed_extensions, str):
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# Split by comma and add dots if not present
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extensions = [ext.strip() for ext in self.allowed_extensions.split(',')]
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return [ext if ext.startswith('.') else f'.{ext}' for ext in extensions]
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return []
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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class StorageSettings(BaseSettings):
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"""Storage configuration."""
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storage_type: str = Field(default="local") # local or s3
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upload_directory: str = Field(default="./data/uploads")
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# S3 settings
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s3_bucket_name: str = Field(default="chat-agent-files")
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aws_access_key_id: Optional[str] = Field(default=None)
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aws_secret_access_key: Optional[str] = Field(default=None)
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aws_region: str = Field(default="us-east-1")
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s3_endpoint_url: Optional[str] = Field(default=None) # For S3-compatible services
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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class CORSSettings(BaseSettings):
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"""CORS configuration."""
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allowed_origins: List[str] = Field(default=["*"])
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allowed_methods: List[str] = Field(default=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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allowed_headers: List[str] = Field(default=["*"])
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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class ChatSettings(BaseSettings):
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"""Chat configuration."""
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max_history_length: int = Field(default=10)
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system_prompt: str = Field(default="你是一个有用的AI助手，请根据提供的上下文信息回答用户的问题。")
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max_response_tokens: int = Field(default=1000)
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class Settings(BaseSettings):
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"""Main application settings."""
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# App info
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app_name: str = Field(default="TH Agenter")
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app_version: str = Field(default="0.2.0")
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debug: bool = Field(default=True)
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environment: str = Field(default="development")
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# Server
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host: str = Field(default="0.0.0.0")
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port: int = Field(default=8000)
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# Configuration sections
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database: DatabaseSettings = Field(default_factory=DatabaseSettings)
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security: SecuritySettings = Field(default_factory=SecuritySettings)
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llm: LLMSettings = Field(default_factory=LLMSettings)
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embedding: EmbeddingSettings = Field(default_factory=EmbeddingSettings)
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vector_db: VectorDBSettings = Field(default_factory=VectorDBSettings)
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file: FileSettings = Field(default_factory=FileSettings)
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storage: StorageSettings = Field(default_factory=StorageSettings)
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cors: CORSSettings = Field(default_factory=CORSSettings)
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chat: ChatSettings = Field(default_factory=ChatSettings)
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tool: ToolSetings = Field(default_factory=ToolSetings)
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model_config = {
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"env_file": ".env",
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"env_file_encoding": "utf-8",
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"case_sensitive": False,
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"extra": "ignore"
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}
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@classmethod
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def load_from_yaml(cls, config_path: str = "webIOs/configs/settings.yaml") -> "Settings":
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"""Load settings from YAML file."""
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config_file = Path(config_path)
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if not config_file.exists():
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# 获取当前文件所在目录（backend/open_agent/core）
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current_dir = Path(__file__).parent
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# 向上两级到backend目录，然后找configs/settings.yaml
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backend_config_path = current_dir.parent.parent / "configs" / "settings.yaml"
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if backend_config_path.exists():
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config_file = backend_config_path
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else:
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return cls()
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with open(config_file, "r", encoding="utf-8") as f:
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config_data = yaml.safe_load(f) or {}
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# 处理环境变量替换
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config_data = cls._resolve_env_vars_nested(config_data)
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# 为每个子设置类创建实例，确保它们能正确加载环境变量
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# 如果YAML中没有对应配置，则使用默认的BaseSettings加载（会自动读取.env文件）
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settings_kwargs = {}
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# 显式处理各个子设置，以解决debug等情况因为环境的变化没有自动加载.env配置的问题
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settings_kwargs['database'] = DatabaseSettings(**(config_data.get('database', {})))
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settings_kwargs['security'] = SecuritySettings(**(config_data.get('security', {})))
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settings_kwargs['llm'] = LLMSettings(**(config_data.get('llm', {})))
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settings_kwargs['embedding'] = EmbeddingSettings(**(config_data.get('embedding', {})))
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settings_kwargs['vector_db'] = VectorDBSettings(**(config_data.get('vector_db', {})))
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settings_kwargs['file'] = FileSettings(**(config_data.get('file', {})))
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settings_kwargs['storage'] = StorageSettings(**(config_data.get('storage', {})))
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settings_kwargs['cors'] = CORSSettings(**(config_data.get('cors', {})))
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settings_kwargs['chat'] = ChatSettings(**(config_data.get('chat', {})))
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settings_kwargs['tool'] = ToolSetings(**(config_data.get('tool', {})))
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# 添加顶级配置
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for key, value in config_data.items():
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if key not in settings_kwargs:
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# logger.error(f"顶级配置项 {key} 未在子设置类中找到，直接添加到 settings_kwargs")
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settings_kwargs[key] = value
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return cls(**settings_kwargs)
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@staticmethod
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def _flatten_config(config: Dict[str, Any], prefix: str = "") -> Dict[str, Any]:
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"""Flatten nested configuration dictionary."""
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flat = {}
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for key, value in config.items():
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new_key = f"{prefix}_{key}" if prefix else key
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if isinstance(value, dict):
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flat.update(Settings._flatten_config(value, new_key))
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else:
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flat[new_key] = value
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return flat
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@staticmethod
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def _resolve_env_vars_nested(config: Dict[str, Any]) -> Dict[str, Any]:
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"""Resolve environment variables in nested configuration."""
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if isinstance(config, dict):
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return {key: Settings._resolve_env_vars_nested(value) for key, value in config.items()}
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elif isinstance(config, str) and config.startswith("${") and config.endswith("}"):
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env_var = config[2:-1]
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return os.getenv(env_var, config)
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else:
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return config
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@staticmethod
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def _resolve_env_vars(config: Dict[str, Any]) -> Dict[str, Any]:
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"""Resolve environment variables in configuration values."""
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resolved = {}
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for key, value in config.items():
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if isinstance(value, str) and value.startswith("${") and value.endswith("}"):
|
||
env_var = value[2:-1]
|
||
resolved[key] = os.getenv(env_var, value)
|
||
else:
|
||
resolved[key] = value
|
||
return resolved
|
||
|
||
@lru_cache()
|
||
def get_settings() -> Settings:
|
||
"""Get cached settings instance."""
|
||
settings = Settings.load_from_yaml()
|
||
return settings
|
||
|
||
settings = get_settings() |