插件配置持久化:
- plugin_settings 表新增 config_json 字段,支持存储每个插件的自定义配置
- BaseCrawlerPlugin 新增 default_config 属性和 update_config 方法
- PluginSettingsRepository 新增 get_config / set_config 方法
- PluginService 新增 get_plugin_config 和 update_plugin_config
- api/routes/plugins.py 新增 GET /{id}/config 和 POST /{id}/config 接口
- 前端 Plugins.vue 增加配置编辑对话框,支持动态渲染数字/布尔/字符串类型配置
- ip3366 插件示例化:增加 max_pages 配置项,验证配置生效后会动态更新爬取 URL
任务队列持久化:
- 新建 validation_tasks 表:id, ip, port, protocol, status, result, response_time_ms, created_at, updated_at
- 新建 ValidationTaskRepository,提供 insert_batch / acquire_pending / complete_task / reset_processing 等方法
- ValidationQueue 重构:
- submit() 时把任务写入数据库并唤醒 Worker
- Worker 通过 acquire_pending 原子取任务并验证
- 验证完成后更新任务状态并入库有效代理
- 启动时自动恢复之前中断的 processing 任务为 pending
- 支持 drain() 等待所有 pending 完成
- 调度器验证流程同样自动持久化到任务表
其他适配:
- 更新 api/deps.py 和 api/lifespan.py,移除对已删除 settings_service 的残留引用
- 更新前端 pluginService.js 和 api/index.js 增加配置相关 API
121 lines
4.6 KiB
Python
121 lines
4.6 KiB
Python
"""数据库连接管理 - 使用上下文管理器,避免全局单例连接泄漏"""
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import os
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import aiosqlite
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from contextlib import asynccontextmanager
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from typing import AsyncIterator
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from core.config import settings
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from core.log import logger
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DB_PATH = os.path.join(settings.base_dir, settings.db_path)
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def ensure_db_dir():
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db_dir = os.path.dirname(DB_PATH)
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if db_dir and not os.path.exists(db_dir):
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os.makedirs(db_dir, exist_ok=True)
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async def init_db():
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"""初始化数据库表结构(支持迁移)"""
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ensure_db_dir()
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async with aiosqlite.connect(DB_PATH) as db:
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await db.execute("PRAGMA journal_mode=WAL")
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await db.execute("PRAGMA synchronous=NORMAL")
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await db.execute("PRAGMA cache_size=-64000")
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await db.execute("PRAGMA temp_store=MEMORY")
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await db.execute("""
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CREATE TABLE IF NOT EXISTS proxies (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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ip TEXT NOT NULL,
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port INTEGER NOT NULL,
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protocol TEXT DEFAULT 'http',
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score INTEGER DEFAULT 10,
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response_time_ms REAL,
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last_check TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(ip, port)
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)
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""")
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# 迁移:如果旧表缺少 response_time_ms 列,则添加
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try:
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await db.execute("SELECT response_time_ms FROM proxies LIMIT 1")
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except Exception:
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await db.execute("ALTER TABLE proxies ADD COLUMN response_time_ms REAL")
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logger.info("Migrated: added response_time_ms column")
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# 迁移:如果旧表缺少 created_at 列,则添加
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try:
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await db.execute("SELECT created_at FROM proxies LIMIT 1")
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except Exception:
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await db.execute("ALTER TABLE proxies ADD COLUMN created_at TIMESTAMP")
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await db.execute("UPDATE proxies SET created_at = CURRENT_TIMESTAMP WHERE created_at IS NULL")
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logger.info("Migrated: added created_at column")
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await db.execute("CREATE INDEX IF NOT EXISTS idx_score ON proxies(score)")
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await db.execute("CREATE INDEX IF NOT EXISTS idx_protocol ON proxies(protocol)")
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await db.execute("CREATE INDEX IF NOT EXISTS idx_last_check ON proxies(last_check)")
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await db.execute("CREATE INDEX IF NOT EXISTS idx_ip_port ON proxies(ip, port)")
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# 插件设置表
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await db.execute("""
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CREATE TABLE IF NOT EXISTS plugin_settings (
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plugin_id TEXT PRIMARY KEY,
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enabled INTEGER DEFAULT 1,
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config_json TEXT DEFAULT '{}',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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""")
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# 迁移:为旧版 plugin_settings 表增加 config_json 列
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try:
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await db.execute("SELECT config_json FROM plugin_settings LIMIT 1")
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except Exception:
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await db.execute("ALTER TABLE plugin_settings ADD COLUMN config_json TEXT DEFAULT '{}'")
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logger.info("Migrated: added config_json column to plugin_settings")
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# 验证任务队列表
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await db.execute("""
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CREATE TABLE IF NOT EXISTS validation_tasks (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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ip TEXT NOT NULL,
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port INTEGER NOT NULL,
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protocol TEXT DEFAULT 'http',
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status TEXT DEFAULT 'pending',
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result TEXT,
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response_time_ms REAL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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""")
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await db.execute("CREATE INDEX IF NOT EXISTS idx_validation_status ON validation_tasks(status)")
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await db.execute("CREATE INDEX IF NOT EXISTS idx_validation_created ON validation_tasks(created_at)")
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# 系统设置表
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await db.execute("""
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CREATE TABLE IF NOT EXISTS settings (
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key TEXT PRIMARY KEY,
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value TEXT NOT NULL,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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""")
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await db.commit()
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logger.info("Database initialized")
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@asynccontextmanager
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async def get_db() -> AsyncIterator[aiosqlite.Connection]:
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"""获取数据库连接的异步上下文管理器"""
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ensure_db_dir()
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db = await aiosqlite.connect(DB_PATH)
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try:
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await db.execute("PRAGMA journal_mode=WAL")
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await db.execute("PRAGMA synchronous=NORMAL")
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yield db
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finally:
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await db.close()
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