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232 lines
8.0 KiB
Python
232 lines
8.0 KiB
Python
# -*- coding: utf-8 -*-
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"""让 RemoteClient 支持中转（跨网络）。
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改动很小，因为把"怎么传字节"抽成了 Transport：
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SocketTransport —— 原来的局域网直连
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RelayTransport —— 走中转服务器
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RemoteClient 里协议相关的代码（readLoop / call / awaitReply / send）
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一行都不用动。
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新增 connectViaRelay(baseUrl, code, token, listener, timeout)：
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和原有 connect(host, port, ...) 走同一套握手流程。
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"""
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from __future__ import annotations
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import sys
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from pathlib import Path
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ROOT = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote")
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CLIENT = ROOT / "android" / "src" / "com" / "lanremote" / "watch" / "RemoteClient.java"
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JSON = ROOT / "android" / "src" / "com" / "lanremote" / "watch" / "Json.java"
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# ---------------- 1. Json.escape ----------------
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JSON_ANCHOR = " public static String write(Object value) {"
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JSON_NEW = ''' /**
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* 把字符串转义成能安全塞进 JSON 字符串字面量的形式。
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* 只处理引号、反斜杠和控制字符 —— 中文不用转，JSON 本身是 UTF-8。
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*/
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public static String escape(String text) {
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if (text == null) {
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return "";
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}
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StringBuilder out = new StringBuilder(text.length() + 16);
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for (int i = 0; i < text.length(); i++) {
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char ch = text.charAt(i);
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switch (ch) {
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case '"':
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out.append("\\\\\\"");
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break;
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case '\\\\':
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out.append("\\\\\\\\");
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break;
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case '\\n':
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out.append("\\\\n");
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break;
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case '\\r':
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out.append("\\\\r");
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break;
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case '\\t':
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out.append("\\\\t");
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break;
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default:
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if (ch < 0x20) {
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out.append(String.format("\\\\u%04x", (int) ch));
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} else {
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out.append(ch);
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}
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break;
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}
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}
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return out.toString();
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}
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''' + JSON_ANCHOR
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# ---------------- 2. RemoteClient ----------------
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FIELD_OLD = ''' private Socket socket;
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private BufferedReader reader;'''
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FIELD_NEW = ''' /**
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* 传输层。局域网直连时是 SocketTransport，跨网络时是 RelayTransport。
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* 抽出来之后协议逻辑完全不用管数据是走 TCP 还是走中转的 HTTPS。
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*/
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private Transport transport;
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private BufferedReader reader;'''
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CONNECTED_OLD = ''' public boolean isConnected() {
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return running && socket != null && !socket.isClosed();
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}'''
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CONNECTED_NEW = ''' public boolean isConnected() {
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return running && transport != null && !transport.isClosed();
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}
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/** 当前传输方式的描述，界面上用来显示"直连"还是"经中转"。 */
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public String transportName() {
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if (transport == null) {
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return "";
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}
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return transport instanceof RelayTransport ? "中转" : "直连";
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}
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public RelayTransport relayTransport() {
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return transport instanceof RelayTransport
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? (RelayTransport) transport : null;
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}'''
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CONNECT_OLD = ''' Socket sock = new Socket();
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sock.connect(new InetSocketAddress(host, port), timeoutMs);
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sock.setSoTimeout(0);
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sock.setTcpNoDelay(true);
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this.socket = sock;
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this.reader = new BufferedReader(new InputStreamReader(sock.getInputStream(), UTF8), 8192);
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this.writer = sock.getOutputStream();
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Thread thread = new Thread(new Runnable() {'''
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CONNECT_NEW = ''' Socket sock = new Socket();
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sock.connect(new InetSocketAddress(host, port), timeoutMs);
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sock.setSoTimeout(0);
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sock.setTcpNoDelay(true);
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return startTransport(new Transport.SocketTransport(sock), code, token,
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listener, timeoutMs);
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}
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/**
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* 经中转服务器连接（跨网络）。
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*
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* 手表没法直连电脑（两边都在 NAT 后面），所以两边都主动连出去，
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* 由中转按配对码把两条连接对上。中转只转发字节、不认识协议内容，
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* 所以电脑那边的配对和令牌校验照样生效。
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*/
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public Map<String, Object> connectViaRelay(String baseUrl, String code,
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String token, Listener listener,
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int timeoutMs) throws IOException {
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close();
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RelayTransport relay = new RelayTransport(baseUrl, code, deviceName);
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if (!relay.attach()) {
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String reason = relay.getLastError();
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relay.close();
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throw new IOException(reason == null || reason.isEmpty()
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? "连不上中转服务器" : reason);
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}
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return startTransport(relay, code, token, listener, timeoutMs);
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}
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/** 握手 + 起读取线程。局域网和中转共用这一段。 */
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private Map<String, Object> startTransport(Transport channel, String code,
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String token, Listener listener,
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int timeoutMs) throws IOException {
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this.listener = listener;
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this.running = true;
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this.replies.clear();
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this.transport = channel;
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this.reader = new BufferedReader(
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new InputStreamReader(channel.input(), UTF8), 8192);
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this.writer = channel.output();
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Thread thread = new Thread(new Runnable() {'''
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CLOSE_OLD = ''' public void close() {
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running = false;
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try {
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if (socket != null) {
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socket.close();
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}
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} catch (IOException ignored) {
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// 关闭时的异常无需处理
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}
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socket = null;
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reader = null;
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writer = null;
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replies.clear();
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}'''
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CLOSE_NEW = ''' public void close() {
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running = false;
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try {
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if (transport != null) {
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transport.close();
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}
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} catch (Exception ignored) {
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// 关闭时的异常无需处理
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}
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transport = null;
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reader = null;
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writer = null;
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replies.clear();
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}'''
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def main() -> int:
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ok = True
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# ---- Json.escape ----
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text = JSON.read_text(encoding="utf-8")
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if "public static String escape(" in text:
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print(" Json.escape 已存在")
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elif JSON_ANCHOR not in text:
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print(" [失败] Json 锚点没找到")
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ok = False
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else:
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text = text.replace(JSON_ANCHOR, JSON_NEW, 1)
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JSON.write_text(text, encoding="utf-8")
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print(" Json.escape 已加")
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# ---- RemoteClient ----
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text = CLIENT.read_text(encoding="utf-8")
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if "connectViaRelay" in text:
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print(" RemoteClient 已经改过")
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else:
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for old, new, tag in ((FIELD_OLD, FIELD_NEW, "字段换成 Transport"),
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(CONNECTED_OLD, CONNECTED_NEW, "isConnected 用 Transport"),
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(CONNECT_OLD, CONNECT_NEW, "connect 拆出 startTransport + connectViaRelay"),
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(CLOSE_OLD, CLOSE_NEW, "close 关 Transport")):
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if old not in text:
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print(f" [失败] {tag} —— 锚点没找到")
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ok = False
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continue
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text = text.replace(old, new, 1)
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print(f" {tag}")
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CLIENT.write_text(text, encoding="utf-8")
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# 检查还有没有裸用 socket 的地方
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text = CLIENT.read_text(encoding="utf-8")
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leftovers = [line.strip() for line in text.splitlines()
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if "socket" in line and "Transport" not in line
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and "Socket" not in line and "//" not in line]
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if leftovers:
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print(f" [注意] 还有裸用 socket 的行：{leftovers}")
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else:
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print(" 没有残留的裸 socket 引用")
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return 0 if ok else 1
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if __name__ == "__main__":
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sys.exit(main())
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