77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
"""
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配置管理 - 集中管理所有配置项
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"""
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from pydantic_settings import BaseSettings
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from pydantic import Field
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from typing import Optional
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from pathlib import Path
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class Settings(BaseSettings):
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"""应用配置 - 所有配置项通过环境变量或 .env 文件设置"""
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# ==================== WebSocket 服务器 ====================
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WS_HOST: str = "0.0.0.0"
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WS_PORT: int = 8765
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WS_PATH: str = "/v1/voice/session"
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# ==================== 鉴权 ====================
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BEARER_TOKEN: str = "drone-voice-cloud-token-2024"
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# ==================== 阿里云百炼 LLM ====================
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DASHSCOPE_API_KEY: str = "sk-8ac47bb8a1f7497a922c52d905dd11dc"
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# 与 LLM 共用 API Key；实时语音识别 Fun-ASR 走 WebSocket inference
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DASHSCOPE_WEBSOCKET_URL: str = (
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"wss://dashscope.aliyuncs.com/api-ws/v1/inference"
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)
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DASHSCOPE_ASR_MODEL: str = "fun-asr-realtime"
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ASR_AUDIO_SAMPLE_RATE: int = 16000
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ASR_SEMANTIC_PUNCTUATION_ENABLED: bool = True
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LLM_PROVIDER: str = "dashscope" # 服务提供者: dashscope | local (后续扩展)
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LLM_MODEL: str = "qwen-plus" # qwen-turbo | qwen-plus | qwen-max
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LLM_MAX_TOKENS: int = 512
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LLM_TEMPERATURE: float = 0.3
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LLM_TIMEOUT: int = 30 # 秒
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LLM_CONTEXT_TURNS: int = 4 # 保留的历史对话轮数
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# Function calling：天气 / 联网摘要等（DashScope tools + 本地执行）
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LLM_TOOLS_ENABLED: bool = True
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LLM_AGENT_MAX_STEPS: int = 8 # 每用户轮最多模型↔工具往返次数（含最终回答）
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LLM_TOOL_RESULT_MAX_CHARS: int = 8000 # 单次 tool 消息写入上下文上限
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# ==================== TTS 配置 ====================
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TTS_PROVIDER: str = "piper" # piper | azure | local (后续扩展)
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TTS_MODEL_DIR: str = "models" # Piper 模型目录
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TTS_VOICE_NAME: str = "zh_CN-huayan-medium" # Piper 语音名称
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TTS_SAMPLE_RATE: int = 24000 # 协议规定 24kHz
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TTS_MAX_CHARS: int = 800 # TTS 最大字符数（超长截断）
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# 闲聊流式 TTS：更早切出首段，降低首字节延迟（见 intent_service.take_next_speech_segment）
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TTS_STREAM_SOFT_FLUSH_LEN: int = 28
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TTS_STREAM_EARLY_WEAK_CUT: bool = True
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TTS_STREAM_EARLY_WEAK_MIN_SEGMENT: int = 6
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TTS_STREAM_EARLY_WEAK_SCAN_CAP: int = 48
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# ==================== 超时配置 (毫秒) ====================
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DIALOG_RESULT_TIMEOUT_MS: int = 30000 # LLM 推理超时
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TTS_FIRST_BYTE_TIMEOUT_MS: int = 10000 # TTS 首字节超时
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# ==================== 飞控二次确认（dialog_result v1 之 confirm）====================
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FLIGHT_CONFIRM_REQUIRED: bool = True
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FLIGHT_CONFIRM_TIMEOUT_SEC: float = 10.0
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# ==================== 限流 ====================
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MAX_CONCURRENT_SESSIONS: int = 4 # 最大并发 session 数
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# ==================== 日志 ====================
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LOG_LEVEL: str = "INFO"
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LOG_TO_FILE: bool = False
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LOG_FILE: str = "logs/server.log"
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class Config:
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env_file = ".env"
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env_file_encoding = "utf-8"
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case_sensitive = True
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# 全局配置实例
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settings = Settings()
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