Files
ProxyPool/services/plugin_service.py
祀梦 209a744d94 全面架构重构:建立分层架构与高度可扩展的插件系统
后端重构:
- 新增分层架构:API Routes -> Services -> Repositories -> Infrastructure
- 彻底移除全局单例,全面采用 FastAPI 依赖注入
- 新增 api/ 目录拆分路由(proxies, plugins, scheduler, settings, stats)
- 新增 services/ 业务逻辑层:ProxyService, PluginService, SchedulerService, ValidatorService, SettingsService
- 新增 repositories/ 数据访问层:ProxyRepository, SettingsRepository, PluginSettingsRepository
- 新增 models/ 层:Pydantic Schemas + Domain Models
- 重写 core/config.py:采用 Pydantic Settings 管理配置
- 新增 core/db.py:基于 asynccontextmanager 的连接管理,支持数据库迁移
- 新增 core/exceptions.py:统一业务异常体系

插件系统重构(核心):
- 新增 core/plugin_system/:BaseCrawlerPlugin + PluginRegistry
- 采用显式注册模式(装饰器 + plugins/__init__.py),类型安全、测试友好
- 新增 plugins/base.py:BaseHTTPPlugin 通用 HTTP 爬虫基类
- 迁移全部 7 个插件到新架构(fate0, proxylist_download, ip3366, ip89, kuaidaili, speedx, yundaili)
- 插件状态持久化到 plugin_settings 表

任务调度重构:
- 新增 core/tasks/queue.py:ValidationQueue + WorkerPool
- 解耦爬取与验证:爬虫只负责爬取,代理提交队列后由 Worker 异步验证
- 调度器定时从数据库拉取存量代理并分批投入验证队列

前端调整:
- 新增 frontend/src/services/ 层拆分 API 调用逻辑
- 调整 stores/ 和 views/ 使用 Service 层
- 保持 API 兼容性,页面无需大幅修改

其他:
- 新增 main.py 作为新入口
- 新增 DESIGN.md 架构设计文档
- 更新 requirements.txt 增加 pydantic-settings
2026-04-02 11:55:05 +08:00

112 lines
4.1 KiB
Python

"""插件业务服务"""
from datetime import datetime
from typing import List, Optional
from core.db import get_db
from core.plugin_system.registry import registry
from core.plugin_system.base import BaseCrawlerPlugin
from repositories.settings_repo import PluginSettingsRepository
from models.domain import PluginInfo, ProxyRaw
from core.log import logger
class PluginService:
"""插件业务服务:管理插件生命周期、执行爬取"""
def __init__(self):
self.plugin_settings_repo = PluginSettingsRepository()
self._stats: dict[str, dict] = {}
async def list_plugins(self) -> List[PluginInfo]:
"""获取所有插件信息(合并持久化状态)"""
async with get_db() as db:
db_states = await self.plugin_settings_repo.list_all(db)
result = []
for plugin in registry.list_plugins():
# 如果有持久化状态,覆盖内存状态
if plugin.name in db_states:
plugin.enabled = db_states[plugin.name]
stat = self._stats.get(plugin.name, {
"success_count": 0,
"failure_count": 0,
"last_run": None,
})
result.append(PluginInfo(
id=plugin.name,
name=plugin.name,
display_name=plugin.display_name or plugin.name,
description=plugin.description or f"{plugin.name} 爬取代理",
enabled=plugin.enabled,
last_run=stat.get("last_run"),
success_count=stat.get("success_count", 0),
failure_count=stat.get("failure_count", 0),
))
return result
async def toggle_plugin(self, plugin_id: str, enabled: bool) -> bool:
plugin = registry.get(plugin_id)
if not plugin:
return False
async with get_db() as db:
success = await self.plugin_settings_repo.set_enabled(db, plugin_id, enabled)
if success:
plugin.enabled = enabled
logger.info(f"Plugin {plugin_id} toggled to {enabled}")
return success
def get_plugin(self, plugin_id: str) -> Optional[BaseCrawlerPlugin]:
return registry.get(plugin_id)
async def run_plugin(self, plugin_id: str) -> List[ProxyRaw]:
"""执行单个插件爬取"""
plugin = self.get_plugin(plugin_id)
if not plugin:
raise ValueError(f"Plugin {plugin_id} not found")
if not plugin.enabled:
logger.warning(f"Plugin {plugin_id} is disabled, skip crawl")
return []
try:
results = await plugin.crawl()
self._record_stat(plugin_id, success=len(results))
logger.info(f"Plugin {plugin_id} crawled {len(results)} proxies")
return results
except Exception as e:
self._record_stat(plugin_id, failure=1)
logger.error(f"Plugin {plugin_id} crawl failed: {e}")
return []
async def run_all_plugins(self) -> List[ProxyRaw]:
"""执行所有启用插件的爬取"""
all_results: List[ProxyRaw] = []
for plugin in registry.list_plugins():
if not plugin.enabled:
continue
try:
results = await self.run_plugin(plugin.name)
all_results.extend(results)
except Exception as e:
logger.error(f"Run all plugins error at {plugin.name}: {e}")
# 去重
seen = set()
unique = []
for p in all_results:
key = (p.ip, p.port, p.protocol)
if key not in seen:
seen.add(key)
unique.append(p)
return unique
def _record_stat(self, plugin_id: str, success: int = 0, failure: int = 0):
if plugin_id not in self._stats:
self._stats[plugin_id] = {
"success_count": 0,
"failure_count": 0,
"last_run": None,
}
self._stats[plugin_id]["success_count"] += success
self._stats[plugin_id]["failure_count"] += failure
if success or failure:
self._stats[plugin_id]["last_run"] = datetime.now()