feat: init project

src/telegram/app.py

@@ -0,0 +1,38 @@
+"""Telegram application builder and runner."""
+from __future__ import annotations
+
+import sys
+
+from telegram.ext import Application
+
+from src.core import BotConfig
+from src.telegram.handlers import Aria2BotAPI, build_handlers
+from src.utils import setup_logger
+
+
+def create_app(config: BotConfig) -> Application:
+    """创建 Telegram Application"""
+    builder = Application.builder().token(config.token)
+    if config.api_base_url:
+        builder = builder.base_url(config.api_base_url).base_file_url(config.api_base_url + "/file")
+    app = builder.build()
+
+    api = Aria2BotAPI(config.aria2)
+    for handler in build_handlers(api):
+        app.add_handler(handler)
+
+    return app
+
+
+def run() -> None:
+    """加载配置并启动 bot"""
+    logger = setup_logger()
+    config = BotConfig.from_env()
+
+    if not config.token:
+        logger.error("Please set TELEGRAM_BOT_TOKEN in .env or environment")
+        sys.exit(1)
+
+    app = create_app(config)
+    logger.info("Bot starting...")
+    app.run_polling()