初始化

tg_bridge/connection_mode.py

@@ -0,0 +1,29 @@
+"""Telethon Connection 模式（与 Telegram Desktop 使用的传输类似可选用 obfuscated）。"""
+
+from __future__ import annotations
+
+from typing import Type
+
+from telethon.network.connection import (
+    Connection,
+    ConnectionTcpAbridged,
+    ConnectionTcpFull,
+    ConnectionTcpIntermediate,
+    ConnectionTcpObfuscated,
+)
+
+
+def resolve_connection_class(mode: str) -> Type[Connection]:
+    m = (mode or "").strip().lower().replace("-", "_")
+    if not m or m == "tcp_full":
+        return ConnectionTcpFull
+    if m == "tcp_obfuscated":
+        return ConnectionTcpObfuscated
+    if m == "tcp_intermediate":
+        return ConnectionTcpIntermediate
+    if m == "tcp_abridged":
+        return ConnectionTcpAbridged
+    raise ValueError(
+        f"不支持的 TELEGRAM_CONNECTION={mode!r}，可用: "
+        "tcp_full, tcp_obfuscated, tcp_intermediate, tcp_abridged"
+    )