forked from bot/app
296 lines
7.6 KiB
Python
296 lines
7.6 KiB
Python
import asyncio
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import atexit
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import os
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import platform
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import signal
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import sys
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import threading
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import time
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from typing import Any, Optional
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from liteyuki.bot.lifespan import (LIFESPAN_FUNC, Lifespan)
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from liteyuki.comm import get_channel
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from liteyuki.utils import IS_MAIN_PROCESS
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from liteyuki.core.manager import ProcessManager
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from liteyuki.log import init_log, logger
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from liteyuki.plugin import load_plugins
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__all__ = [
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"LiteyukiBot",
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"get_bot",
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"get_config",
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"get_config_with_compat",
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]
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class LiteyukiBot:
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def __init__(self, *args, **kwargs):
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print_logo()
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global _BOT_INSTANCE
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_BOT_INSTANCE = self # 引用
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self.config: dict[str, Any] = kwargs
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self.init(**self.config) # 初始化
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logger.info("Liteyuki is initializing...")
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self.lifespan = Lifespan()
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self.process_manager: ProcessManager = ProcessManager(bot=self)
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self.loop = asyncio.new_event_loop()
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asyncio.set_event_loop(self.loop)
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self.stop_event = threading.Event()
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self.call_restart_count = 0
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load_plugins("liteyuki/plugins") # 加载轻雪插件
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signal.signal(signal.SIGINT, self._handle_exit)
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signal.signal(signal.SIGTERM, self._handle_exit)
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atexit.register(self.process_manager.terminate_all) # 注册退出时的函数
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def run(self):
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"""
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启动逻辑
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"""
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self.lifespan.before_start() # 启动前钩子
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self.process_manager.start_all()
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self.lifespan.after_start() # 启动后钩子
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self.keep_alive()
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def keep_alive(self):
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"""
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保持轻雪运行
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Returns:
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"""
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try:
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while not self.stop_event.is_set():
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time.sleep(0.5)
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except KeyboardInterrupt:
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logger.info("Liteyuki is stopping...")
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self.stop()
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def _handle_exit(self, signum, frame):
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"""
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信号处理
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Args:
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signum:
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frame:
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Returns:
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"""
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logger.info("Received signal, stopping all processes.")
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self.stop()
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sys.exit(0)
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def restart(self, delay: int = 0):
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"""
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重启轻雪本体
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Returns:
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"""
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if self.call_restart_count < 1:
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executable = sys.executable
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args = sys.argv
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logger.info("Restarting LiteyukiBot...")
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time.sleep(delay)
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if platform.system() == "Windows":
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cmd = "start"
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elif platform.system() == "Linux":
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cmd = "nohup"
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elif platform.system() == "Darwin":
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cmd = "open"
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else:
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cmd = "nohup"
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self.process_manager.terminate_all()
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# 进程退出后重启
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threading.Thread(target=os.system, args=(f"{cmd} {executable} {' '.join(args)}",)).start()
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sys.exit(0)
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self.call_restart_count += 1
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def restart_process(self, name: Optional[str] = None):
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"""
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停止轻雪
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Args:
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name: 进程名称, 默认为None, 所有进程
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Returns:
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"""
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self.lifespan.before_process_shutdown() # 重启前钩子
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self.lifespan.before_process_shutdown() # 停止前钩子
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if name is not None:
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chan_active = get_channel(f"{name}-active")
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chan_active.send(1)
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else:
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for process_name in self.process_manager.processes:
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chan_active = get_channel(f"{process_name}-active")
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chan_active.send(1)
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def init(self, *args, **kwargs):
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"""
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初始化轻雪, 自动调用
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Returns:
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"""
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self.init_logger()
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def init_logger(self):
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# 修改nonebot的日志配置
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init_log(config=self.config)
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def stop(self):
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"""
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停止轻雪
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Returns:
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"""
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self.stop_event.set()
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self.loop.stop()
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def on_before_start(self, func: LIFESPAN_FUNC):
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"""
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注册启动前的函数
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Args:
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func:
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Returns:
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"""
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return self.lifespan.on_before_start(func)
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def on_after_start(self, func: LIFESPAN_FUNC):
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"""
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注册启动后的函数
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Args:
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func:
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Returns:
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"""
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return self.lifespan.on_after_start(func)
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def on_after_shutdown(self, func: LIFESPAN_FUNC):
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"""
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注册停止后的函数：未实现
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Args:
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func:
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Returns:
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"""
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return self.lifespan.on_after_shutdown(func)
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def on_before_process_shutdown(self, func: LIFESPAN_FUNC):
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"""
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注册进程停止前的函数，为子进程停止时调用
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Args:
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func:
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Returns:
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"""
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return self.lifespan.on_before_process_shutdown(func)
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def on_before_process_restart(self, func: LIFESPAN_FUNC):
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"""
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注册进程重启前的函数，为子进程重启时调用
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Args:
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func:
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Returns:
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"""
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return self.lifespan.on_before_process_restart(func)
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def on_after_restart(self, func: LIFESPAN_FUNC):
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"""
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注册重启后的函数：未实现
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Args:
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func:
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Returns:
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"""
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return self.lifespan.on_after_restart(func)
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def on_after_nonebot_init(self, func: LIFESPAN_FUNC):
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"""
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注册nonebot初始化后的函数
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Args:
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func:
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Returns:
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"""
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return self.lifespan.on_after_nonebot_init(func)
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_BOT_INSTANCE: Optional[LiteyukiBot] = None
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def get_bot() -> Optional[LiteyukiBot]:
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"""
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获取轻雪实例
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Returns:
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LiteyukiBot: 当前的轻雪实例
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"""
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if IS_MAIN_PROCESS:
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if _BOT_INSTANCE is None:
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raise RuntimeError("Liteyuki instance not initialized.")
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return _BOT_INSTANCE
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else:
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raise RuntimeError("Can't get bot instance in sub process.")
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def get_config(key: str = None, default: Any = None) -> Any:
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"""
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获取配置
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Args:
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key: 配置键
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default: 默认值
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Returns:
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Any: 配置值
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"""
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if key is None:
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return get_bot().config
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return get_bot().config.get(key, default)
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def get_config_with_compat(key: str, compat_keys: tuple[str], default: Any = None) -> Any:
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"""
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获取配置，兼容旧版本
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Args:
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key: 配置键
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compat_keys: 兼容键
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default: 默认值
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Returns:
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Any: 配置值
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"""
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if key in get_bot().config:
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return get_bot().config[key]
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for compat_key in compat_keys:
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if compat_key in get_bot().config:
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logger.warning(f"Config key \"{compat_key}\" will be deprecated, use \"{key}\" instead.")
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return get_bot().config[compat_key]
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return default
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def print_logo():
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print("\033[34m" + r"""
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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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""" + "\033[0m")
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