app/liteyuki/bot/__init__.py
2024-08-18 02:20:09 +08:00

308 lines
7.9 KiB
Python

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