---
title: liteyuki.bot.lifespan
---
### **class** `Lifespan`
### *method* `__init__(self) -> None`
**Description**: 轻雪生命周期管理，启动、停止、重启
Source code
```python
def __init__(self) -> None:
"""
轻雪生命周期管理，启动、停止、重启
"""
self.life_flag: int = 0
self._before_start_funcs: list[LIFESPAN_FUNC] = []
self._after_start_funcs: list[LIFESPAN_FUNC] = []
self._before_process_shutdown_funcs: list[LIFESPAN_FUNC] = []
self._after_shutdown_funcs: list[LIFESPAN_FUNC] = []
self._before_process_restart_funcs: list[LIFESPAN_FUNC] = []
self._after_restart_funcs: list[LIFESPAN_FUNC] = []
self._after_nonebot_init_funcs: list[LIFESPAN_FUNC] = []
```
### `@staticmethod`
### *method* `run_funcs(funcs: list[LIFESPAN_FUNC | PROCESS_LIFESPAN_FUNC]) -> None`
**Description**: 运行函数
**Arguments**:
> - funcs:
Source code
```python
@staticmethod
def run_funcs(funcs: list[LIFESPAN_FUNC | PROCESS_LIFESPAN_FUNC], *args, **kwargs) -> None:
"""
运行函数
Args:
funcs:
Returns:
"""
try:
loop = asyncio.get_event_loop()
except RuntimeError:
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
tasks = []
for func in funcs:
if is_coroutine_callable(func):
tasks.append(func(*args, **kwargs))
else:
tasks.append(async_wrapper(func)(*args, **kwargs))
loop.run_until_complete(asyncio.gather(*tasks))
```
### *method* `on_before_start(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC`
**Description**: 注册启动时的函数
**Arguments**:
> - func:
**Return**: LIFESPAN_FUNC:
Source code
```python
def on_before_start(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
"""
注册启动时的函数
Args:
func:
Returns:
LIFESPAN_FUNC:
"""
self._before_start_funcs.append(func)
return func
```
### *method* `on_after_start(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC`
**Description**: 注册启动时的函数
**Arguments**:
> - func:
**Return**: LIFESPAN_FUNC:
Source code
```python
def on_after_start(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
"""
注册启动时的函数
Args:
func:
Returns:
LIFESPAN_FUNC:
"""
self._after_start_funcs.append(func)
return func
```
### *method* `on_before_process_shutdown(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC`
**Description**: 注册停止前的函数
**Arguments**:
> - func:
**Return**: LIFESPAN_FUNC:
Source code
```python
def on_before_process_shutdown(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
"""
注册停止前的函数
Args:
func:
Returns:
LIFESPAN_FUNC:
"""
self._before_process_shutdown_funcs.append(func)
return func
```
### *method* `on_after_shutdown(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC`
**Description**: 注册停止后的函数
**Arguments**:
> - func:
**Return**: LIFESPAN_FUNC:
Source code
```python
def on_after_shutdown(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
"""
注册停止后的函数
Args:
func:
Returns:
LIFESPAN_FUNC:
"""
self._after_shutdown_funcs.append(func)
return func
```
### *method* `on_before_process_restart(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC`
**Description**: 注册重启时的函数
**Arguments**:
> - func:
**Return**: LIFESPAN_FUNC:
Source code
```python
def on_before_process_restart(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
"""
注册重启时的函数
Args:
func:
Returns:
LIFESPAN_FUNC:
"""
self._before_process_restart_funcs.append(func)
return func
```
### *method* `on_after_restart(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC`
**Description**: 注册重启后的函数
**Arguments**:
> - func:
**Return**: LIFESPAN_FUNC:
Source code
```python
def on_after_restart(self, func: LIFESPAN_FUNC) -> LIFESPAN_FUNC:
"""
注册重启后的函数
Args:
func:
Returns:
LIFESPAN_FUNC:
"""
self._after_restart_funcs.append(func)
return func
```
### *method* `on_after_nonebot_init(self, func)`
**Description**: 注册 NoneBot 初始化后的函数
**Arguments**:
> - func:
Source code
```python
def on_after_nonebot_init(self, func):
"""
注册 NoneBot 初始化后的函数
Args:
func:
Returns:
"""
self._after_nonebot_init_funcs.append(func)
return func
```
### *method* `before_start(self) -> None`
**Description**: 启动前
Source code
```python
def before_start(self) -> None:
"""
启动前
Returns:
"""
logger.debug('Running before_start functions')
self.run_funcs(self._before_start_funcs)
```
### *method* `after_start(self) -> None`
**Description**: 启动后
Source code
```python
def after_start(self) -> None:
"""
启动后
Returns:
"""
logger.debug('Running after_start functions')
self.run_funcs(self._after_start_funcs)
```
### *method* `before_process_shutdown(self) -> None`
**Description**: 停止前
Source code
```python
def before_process_shutdown(self) -> None:
"""
停止前
Returns:
"""
logger.debug('Running before_shutdown functions')
self.run_funcs(self._before_process_shutdown_funcs)
```
### *method* `after_shutdown(self) -> None`
**Description**: 停止后
Source code
```python
def after_shutdown(self) -> None:
"""
停止后
Returns:
"""
logger.debug('Running after_shutdown functions')
self.run_funcs(self._after_shutdown_funcs)
```
### *method* `before_process_restart(self) -> None`
**Description**: 重启前
Source code
```python
def before_process_restart(self) -> None:
"""
重启前
Returns:
"""
logger.debug('Running before_restart functions')
self.run_funcs(self._before_process_restart_funcs)
```
### *method* `after_restart(self) -> None`
**Description**: 重启后
Source code
```python
def after_restart(self) -> None:
"""
重启后
Returns:
"""
logger.debug('Running after_restart functions')
self.run_funcs(self._after_restart_funcs)
```
### ***var*** `SYNC_LIFESPAN_FUNC = Callable[[], Any]`
- **Type**: `TypeAlias`
### ***var*** `ASYNC_LIFESPAN_FUNC = Callable[[], Awaitable[Any]]`
- **Type**: `TypeAlias`
### ***var*** `LIFESPAN_FUNC = SYNC_LIFESPAN_FUNC | ASYNC_LIFESPAN_FUNC`
- **Type**: `TypeAlias`
### ***var*** `SYNC_PROCESS_LIFESPAN_FUNC = Callable[[str], Any]`
- **Type**: `TypeAlias`
### ***var*** `ASYNC_PROCESS_LIFESPAN_FUNC = Callable[[str], Awaitable[Any]]`
- **Type**: `TypeAlias`
### ***var*** `PROCESS_LIFESPAN_FUNC = SYNC_PROCESS_LIFESPAN_FUNC | ASYNC_PROCESS_LIFESPAN_FUNC`
- **Type**: `TypeAlias`