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jxxghp
260
plugins/customhosts/__init__.py
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260
plugins/customhosts/__init__.py
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from typing import List, Tuple, Dict, Any
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from python_hosts import Hosts, HostsEntry
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from app.core.event import eventmanager
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from app.log import logger
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from app.plugins import _PluginBase
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from app.schemas.types import EventType
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from app.utils.ip import IpUtils
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from app.utils.system import SystemUtils
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class CustomHosts(_PluginBase):
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# 插件名称
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plugin_name = "自定义Hosts"
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# 插件描述
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plugin_desc = "修改系统hosts文件，加速网络访问。"
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# 插件图标
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plugin_icon = "hosts.png"
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# 主题色
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plugin_color = "#02C4E0"
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# 插件版本
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plugin_version = "1.0"
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# 插件作者
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plugin_author = "thsrite"
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# 作者主页
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author_url = "https://github.com/thsrite"
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# 插件配置项ID前缀
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plugin_config_prefix = "customhosts_"
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# 加载顺序
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plugin_order = 10
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# 可使用的用户级别
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auth_level = 1
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# 私有属性
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_hosts = []
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_enabled = False
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def init_plugin(self, config: dict = None):
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# 读取配置
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if config:
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self._enabled = config.get("enabled")
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self._hosts = config.get("hosts")
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if isinstance(self._hosts, str):
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self._hosts = str(self._hosts).split('\n')
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if self._enabled and self._hosts:
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# 排除空的host
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new_hosts = []
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for host in self._hosts:
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if host and host != '\n':
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new_hosts.append(host.replace("\n", "") + "\n")
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self._hosts = new_hosts
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# 添加到系统
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error_flag, error_hosts = self.__add_hosts_to_system(self._hosts)
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self._enabled = self._enabled and not error_flag
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# 更新错误Hosts
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self.update_config({
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"hosts": ''.join(self._hosts),
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"err_hosts": error_hosts,
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"enabled": self._enabled
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})
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def get_state(self) -> bool:
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return self._enabled
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@staticmethod
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def get_command() -> List[Dict[str, Any]]:
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pass
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def get_api(self) -> List[Dict[str, Any]]:
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pass
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def get_form(self) -> Tuple[List[dict], Dict[str, Any]]:
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"""
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拼装插件配置页面，需要返回两块数据：1、页面配置；2、数据结构
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"""
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return [
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{
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'component': 'VForm',
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'content': [
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{
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'component': 'VRow',
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'content': [
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{
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'component': 'VCol',
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'props': {
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'cols': 12,
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'md': 6
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},
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'content': [
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{
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'component': 'VSwitch',
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'props': {
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'model': 'enabled',
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'label': '启用插件',
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}
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}
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]
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}
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]
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},
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{
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'component': 'VRow',
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'content': [
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{
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'component': 'VCol',
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'props': {
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'cols': 12
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},
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'content': [
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{
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'component': 'VTextarea',
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'props': {
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'model': 'hosts',
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'label': '自定义hosts',
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'rows': 10,
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'placeholder': '每行一个配置，格式为：ip host1 host2 ...'
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}
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}
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]
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}
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]
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},
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{
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'component': 'VRow',
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'content': [
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{
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'component': 'VCol',
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'props': {
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'cols': 12
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},
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'content': [
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{
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'component': 'VTextarea',
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'props': {
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'model': 'err_hosts',
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'readonly': True,
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'label': '错误hosts',
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'rows': 2,
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'placeholder': '错误的hosts配置会展示在此处，请修改上方hosts重新提交（错误的hosts不会写入系统hosts文件）'
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}
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}
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]
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}
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]
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},
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{
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'component': 'VRow',
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'content': [
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{
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'component': 'VCol',
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'props': {
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'cols': 12,
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},
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'content': [
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{
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'component': 'VAlert',
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'props': {
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'type': 'info',
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'variant': 'tonal',
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'text': 'host格式ip host，中间有空格！！！'
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'（注：容器运行则更新容器hosts！非宿主机！）'
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}
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}
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]
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}
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]
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}
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]
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}
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], {
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"enabled": False,
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"hosts": "",
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"err_hosts": ""
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}
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def get_page(self) -> List[dict]:
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pass
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@staticmethod
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def __read_system_hosts():
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"""
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读取系统hosts对象
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"""
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# 获取本机hosts路径
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if SystemUtils.is_windows():
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hosts_path = r"c:\windows\system32\drivers\etc\hosts"
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else:
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hosts_path = '/etc/hosts'
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# 读取系统hosts
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return Hosts(path=hosts_path)
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def __add_hosts_to_system(self, hosts):
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"""
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添加hosts到系统
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"""
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# 系统hosts对象
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system_hosts = self.__read_system_hosts()
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# 过滤掉插件添加的hosts
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orgin_entries = []
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for entry in system_hosts.entries:
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if entry.entry_type == "comment" and entry.comment == "# CustomHostsPlugin":
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break
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orgin_entries.append(entry)
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system_hosts.entries = orgin_entries
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# 新的有效hosts
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new_entrys = []
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# 新的错误的hosts
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err_hosts = []
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err_flag = False
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for host in hosts:
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if not host:
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continue
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host_arr = str(host).split()
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try:
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host_entry = HostsEntry(entry_type='ipv4' if IpUtils.is_ipv4(str(host_arr[0])) else 'ipv6',
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address=host_arr[0],
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names=host_arr[1:])
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new_entrys.append(host_entry)
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except Exception as err:
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err_hosts.append(host + "\n")
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logger.error(f"[HOST] 格式转换错误：{str(err)}")
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# 推送实时消息
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self.systemmessage.put(f"[HOST] 格式转换错误：{str(err)}")
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# 写入系统hosts
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if new_entrys:
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try:
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# 添加分隔标识
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system_hosts.add([HostsEntry(entry_type='comment', comment="# CustomHostsPlugin")])
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# 添加新的Hosts
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system_hosts.add(new_entrys)
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system_hosts.write()
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logger.info("更新系统hosts文件成功")
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except Exception as err:
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err_flag = True
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logger.error(f"更新系统hosts文件失败：{str(err) or '请检查权限'}")
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# 推送实时消息
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self.systemmessage.put(f"更新系统hosts文件失败：{str(err) or '请检查权限'}")
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return err_flag, err_hosts
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def stop_service(self):
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"""
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退出插件
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"""
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pass
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@eventmanager.register(EventType.PluginReload)
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def reload(self, event):
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"""
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响应插件重载事件
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"""
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plugin_id = event.event_data.get("plugin_id")
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if not plugin_id:
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return
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if plugin_id != self.__class__.__name__:
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return
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return self.init_plugin(self.get_config())
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