mirror of
https://github.com/fawney19/Aether.git
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- 删除全部 Python 源码 (src/) 及 Alembic 迁移脚本,归档至 _deprecated_py_src/ - 重构 Rust gateway ai_pipeline: 拆分 planner/finalize 模块,新增 contracts/adaptation 层 - 重组 handlers 模块为 admin/public/proxy/internal/shared 子模块结构 - 新增 executor 模块,引入 Rust 原生数据库迁移 (aether-data/migrations) - 简化 CI/Docker 构建流程,移除 base image 二级构建,统一为单一 app image - 移除 Python 相关基础设施文件 (entrypoint.sh, gunicorn_conf.py, Dockerfile.base)
220 lines
4.9 KiB
Python
220 lines
4.9 KiB
Python
"""
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缓存插件基类
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定义缓存插件的接口
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"""
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from __future__ import annotations
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import hashlib
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import json
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from abc import abstractmethod
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from typing import Any
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from ..common import BasePlugin
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class CachePlugin(BasePlugin):
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"""
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缓存插件基类
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所有缓存插件必须继承此类并实现相关方法
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"""
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def __init__(
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self,
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name: str,
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priority: int = 0,
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version: str = "1.0.0",
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author: str = "Unknown",
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description: str = "",
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api_version: str = "1.0",
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dependencies: list[str] | None = None,
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provides: list[str] | None = None,
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config: dict[str, Any] | None = None,
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):
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"""
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初始化缓存插件
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Args:
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name: 插件名称
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priority: 优先级
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version: 插件版本
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author: 插件作者
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description: 插件描述
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api_version: API版本
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dependencies: 依赖列表
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provides: 提供服务列表
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config: 配置字典
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"""
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super().__init__(
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name=name,
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priority=priority,
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version=version,
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author=author,
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description=description,
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api_version=api_version,
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dependencies=dependencies,
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provides=provides,
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config=config,
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)
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self.default_ttl = self.config.get("default_ttl", 3600) # 默认1小时
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self.max_size = self.config.get("max_size", 1000) # 最大缓存项数
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@abstractmethod
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async def get(self, key: str) -> Any | None:
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"""
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获取缓存值
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Args:
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key: 缓存键
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Returns:
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缓存值,如果不存在返回None
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"""
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pass
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@abstractmethod
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async def set(self, key: str, value: Any, ttl: int | None = None) -> bool:
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"""
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设置缓存值
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Args:
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key: 缓存键
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value: 缓存值
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ttl: 过期时间(秒),None使用默认值
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Returns:
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是否成功设置
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"""
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pass
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@abstractmethod
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async def delete(self, key: str) -> bool:
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"""
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删除缓存项
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Args:
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key: 缓存键
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Returns:
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是否成功删除
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"""
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pass
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@abstractmethod
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async def exists(self, key: str) -> bool:
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"""
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检查缓存项是否存在
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Args:
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key: 缓存键
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Returns:
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是否存在
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"""
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pass
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@abstractmethod
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async def clear(self) -> bool:
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"""
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清空所有缓存
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Returns:
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是否成功清空
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"""
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pass
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@abstractmethod
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async def get_many(self, keys: list[str]) -> dict[str, Any]:
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"""
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批量获取缓存值
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Args:
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keys: 缓存键列表
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Returns:
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键值对字典
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"""
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pass
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@abstractmethod
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async def set_many(self, items: dict[str, Any], ttl: int | None = None) -> bool:
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"""
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批量设置缓存值
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Args:
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items: 键值对字典
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ttl: 过期时间(秒)
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Returns:
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是否成功设置
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"""
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pass
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@abstractmethod
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async def get_stats(self) -> dict[str, Any]:
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"""
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获取缓存统计信息
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Returns:
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统计信息字典
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"""
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pass
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def generate_key(self, *args: Any, **kwargs: Any) -> str:
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"""
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生成缓存键
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Args:
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*args: 位置参数
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**kwargs: 关键字参数
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Returns:
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缓存键字符串
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"""
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# 创建一个稳定的键
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key_parts = [str(arg) for arg in args]
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key_parts.extend([f"{k}:{v}" for k, v in sorted(kwargs.items())])
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key_string = "|".join(key_parts)
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# 如果键太长,使用哈希
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if len(key_string) > 250:
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hash_obj = hashlib.md5(key_string.encode())
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return f"{self.name}:{hash_obj.hexdigest()}"
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return f"{self.name}:{key_string}"
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def serialize(self, value: Any) -> str:
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"""
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序列化值
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Args:
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value: 要序列化的值
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Returns:
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序列化后的字符串
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"""
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return json.dumps(value, default=str)
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def deserialize(self, value: str) -> Any:
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"""
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反序列化值
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Args:
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value: 序列化的字符串
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Returns:
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反序列化后的值
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"""
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return json.loads(value)
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def configure(self, config: dict[str, Any]) -> Any:
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"""
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配置插件
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Args:
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config: 配置字典
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"""
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super().configure(config)
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self.default_ttl = config.get("default_ttl", self.default_ttl)
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self.max_size = config.get("max_size", self.max_size)
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