"""
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缓存配置管理
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"""
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from enum import Enum
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from typing import Dict, Any, Optional
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from dataclasses import dataclass
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from .strategies import CacheStrategy
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class CacheType(Enum):
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"""缓存类型枚举"""
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LOCATION = "location"
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WEATHER = "weather"
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LUNAR = "lunar"
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INTENT = "intent"
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IP_INFO = "ip_info"
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CONFIG = "config"
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DEVICE_PROMPT = "device_prompt"
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VOICEPRINT_HEALTH = "voiceprint_health" # 声纹识别健康检查
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AUDIO_DATA = "audio_data" # 音频数据缓存
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@dataclass
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class CacheConfig:
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"""缓存配置类"""
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strategy: CacheStrategy = CacheStrategy.TTL
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ttl: Optional[float] = 300 # 默认5分钟
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max_size: Optional[int] = 1000 # 默认最大1000条
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cleanup_interval: float = 60 # 清理间隔（秒）
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@classmethod
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def for_type(cls, cache_type: CacheType) -> "CacheConfig":
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"""根据缓存类型返回预设配置"""
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configs = {
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CacheType.LOCATION: cls(
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strategy=CacheStrategy.TTL, ttl=None, max_size=1000 # 手动失效
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),
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CacheType.IP_INFO: cls(
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strategy=CacheStrategy.TTL, ttl=86400, max_size=1000 # 24小时
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),
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CacheType.WEATHER: cls(
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strategy=CacheStrategy.TTL, ttl=28800, max_size=1000 # 8小时
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),
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CacheType.LUNAR: cls(
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strategy=CacheStrategy.TTL, ttl=2592000, max_size=365 # 30天过期
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),
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CacheType.INTENT: cls(
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strategy=CacheStrategy.TTL_LRU, ttl=600, max_size=1000 # 10分钟
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),
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CacheType.CONFIG: cls(
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strategy=CacheStrategy.FIXED_SIZE, ttl=None, max_size=20 # 手动失效
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),
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CacheType.DEVICE_PROMPT: cls(
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strategy=CacheStrategy.TTL, ttl=None, max_size=1000 # 手动失效
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),
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CacheType.VOICEPRINT_HEALTH: cls(
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strategy=CacheStrategy.TTL, ttl=600, max_size=100 # 10分钟过期
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),
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CacheType.AUDIO_DATA: cls(
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strategy=CacheStrategy.TTL, ttl=600, max_size=100 # 10分钟过期
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),
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}
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return configs.get(cache_type, cls())
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