nonebot2/nonebot/plugin/on.py

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import re
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import sys
import inspect
from types import ModuleType
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from typing import Any, Set, Dict, List, Type, Tuple, Union, Optional
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from nonebot.params import State
from nonebot.adapters import Event
from nonebot.matcher import Matcher
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from .manager import _current_plugin
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from nonebot.permission import Permission
from nonebot.dependencies import Dependent
from nonebot.typing import (
T_State,
T_Handler,
T_RuleChecker,
T_PermissionChecker,
)
from nonebot.rule import (
Rule,
ArgumentParser,
regex,
command,
keyword,
endswith,
startswith,
shell_command,
)
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def _store_matcher(matcher: Type[Matcher]) -> None:
plugin = _current_plugin.get()
# only store the matcher defined in the plugin
if plugin:
plugin.matcher.add(matcher)
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def _get_matcher_module(depth: int = 1) -> Optional[ModuleType]:
current_frame = inspect.currentframe()
if current_frame is None:
return None
frame = inspect.getouterframes(current_frame)[depth + 1].frame
module_name = frame.f_globals["__name__"]
return sys.modules.get(module_name)
def on(
type: str = "",
rule: Optional[Union[Rule, T_RuleChecker]] = None,
permission: Optional[Union[Permission, T_PermissionChecker]] = None,
*,
handlers: Optional[List[Union[T_Handler, Dependent]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = False,
state: Optional[T_State] = None,
_depth: int = 0,
) -> Type[Matcher]:
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"""
:说明:
注册一个基础事件响应器可自定义类型
:参数:
* ``type: str``: 事件响应器类型
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new(
type,
Rule() & rule,
Permission() | permission,
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
module=_get_matcher_module(_depth + 1),
default_state=state,
)
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_store_matcher(matcher)
return matcher
def on_metaevent(
rule: Optional[Union[Rule, T_RuleChecker]] = None,
*,
handlers: Optional[List[Union[T_Handler, Dependent]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = False,
state: Optional[T_State] = None,
_depth: int = 0,
) -> Type[Matcher]:
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"""
:说明:
注册一个元事件响应器
:参数:
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new(
"meta_event",
Rule() & rule,
Permission(),
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
module=_get_matcher_module(_depth + 1),
default_state=state,
)
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_store_matcher(matcher)
return matcher
def on_message(
rule: Optional[Union[Rule, T_RuleChecker]] = None,
permission: Optional[Union[Permission, T_PermissionChecker]] = None,
*,
handlers: Optional[List[Union[T_Handler, Dependent]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = True,
state: Optional[T_State] = None,
_depth: int = 0,
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器
:参数:
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new(
"message",
Rule() & rule,
Permission() | permission,
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
module=_get_matcher_module(_depth + 1),
default_state=state,
)
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_store_matcher(matcher)
return matcher
def on_notice(
rule: Optional[Union[Rule, T_RuleChecker]] = None,
*,
handlers: Optional[List[Union[T_Handler, Dependent]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = False,
state: Optional[T_State] = None,
_depth: int = 0,
) -> Type[Matcher]:
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"""
:说明:
注册一个通知事件响应器
:参数:
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new(
"notice",
Rule() & rule,
Permission(),
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
module=_get_matcher_module(_depth + 1),
default_state=state,
)
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_store_matcher(matcher)
return matcher
def on_request(
rule: Optional[Union[Rule, T_RuleChecker]] = None,
*,
handlers: Optional[List[Union[T_Handler, Dependent]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = False,
state: Optional[T_State] = None,
_depth: int = 0,
) -> Type[Matcher]:
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"""
:说明:
注册一个请求事件响应器
:参数:
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new(
"request",
Rule() & rule,
Permission(),
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
module=_get_matcher_module(_depth + 1),
default_state=state,
)
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_store_matcher(matcher)
return matcher
def on_startswith(
msg: Union[str, Tuple[str, ...]],
rule: Optional[Optional[Union[Rule, T_RuleChecker]]] = None,
ignorecase: bool = False,
_depth: int = 0,
**kwargs,
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息的**文本部分**以指定内容开头时响应
:参数:
* ``msg: Union[str, Tuple[str, ...]]``: 指定消息开头内容
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``ignorecase: bool``: 是否忽略大小写
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
return on_message(startswith(msg, ignorecase) & rule, **kwargs, _depth=_depth + 1)
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def on_endswith(
msg: Union[str, Tuple[str, ...]],
rule: Optional[Optional[Union[Rule, T_RuleChecker]]] = None,
ignorecase: bool = False,
_depth: int = 0,
**kwargs,
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息的**文本部分**以指定内容结尾时响应
:参数:
* ``msg: Union[str, Tuple[str, ...]]``: 指定消息结尾内容
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``ignorecase: bool``: 是否忽略大小写
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
return on_message(endswith(msg, ignorecase) & rule, **kwargs, _depth=_depth + 1)
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def on_keyword(
keywords: Set[str],
rule: Optional[Union[Rule, T_RuleChecker]] = None,
_depth: int = 0,
**kwargs,
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息纯文本部分包含关键词时响应
:参数:
* ``keywords: Set[str]``: 关键词列表
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
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return on_message(keyword(*keywords) & rule, **kwargs, _depth=_depth + 1)
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def on_command(
cmd: Union[str, Tuple[str, ...]],
rule: Optional[Union[Rule, T_RuleChecker]] = None,
aliases: Optional[Set[Union[str, Tuple[str, ...]]]] = None,
_depth: int = 0,
**kwargs,
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息以指定命令开头时响应
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命令匹配规则参考: `命令形式匹配 <rule.md#command-command>`_
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:参数:
* ``cmd: Union[str, Tuple[str, ...]]``: 指定命令内容
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``aliases: Optional[Set[Union[str, Tuple[str, ...]]]]``: 命令别名
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
commands = set([cmd]) | (aliases or set())
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return on_message(
command(*commands) & rule, block=False, **kwargs, _depth=_depth + 1
)
def on_shell_command(
cmd: Union[str, Tuple[str, ...]],
rule: Optional[Union[Rule, T_RuleChecker]] = None,
aliases: Optional[Set[Union[str, Tuple[str, ...]]]] = None,
parser: Optional[ArgumentParser] = None,
_depth: int = 0,
**kwargs,
) -> Type[Matcher]:
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"""
:说明:
注册一个支持 ``shell_like`` 解析参数的命令消息事件响应器
与普通的 ``on_command`` 不同的是在添加 ``parser`` 参数时, 响应器会自动处理消息
并将用户输入的原始参数列表保存在 ``state["argv"]``, ``parser`` 处理的参数保存在 ``state["args"]``
:参数:
* ``cmd: Union[str, Tuple[str, ...]]``: 指定命令内容
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``aliases: Optional[Set[Union[str, Tuple[str, ...]]]]``: 命令别名
* ``parser: Optional[ArgumentParser]``: ``nonebot.rule.ArgumentParser`` 对象
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
commands = set([cmd]) | (aliases or set())
return on_message(
shell_command(*commands, parser=parser) & rule,
**kwargs,
_depth=_depth + 1,
)
def on_regex(
pattern: str,
flags: Union[int, re.RegexFlag] = 0,
rule: Optional[Union[Rule, T_RuleChecker]] = None,
_depth: int = 0,
**kwargs,
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息匹配正则表达式时响应
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命令匹配规则参考: `正则匹配 <rule.md#regex-regex-flags-0>`_
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:参数:
* ``pattern: str``: 正则表达式
* ``flags: Union[int, re.RegexFlag]``: 正则匹配标志
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
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return on_message(regex(pattern, flags) & rule, **kwargs, _depth=_depth + 1)
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class CommandGroup:
"""命令组,用于声明一组有相同名称前缀的命令。"""
def __init__(self, cmd: Union[str, Tuple[str, ...]], **kwargs):
"""
:参数:
* ``cmd: Union[str, Tuple[str, ...]]``: 命令前缀
* ``**kwargs``: 其他传递给 ``on_command`` 的参数默认值参考 `on_command <#on-command-cmd-rule-none-aliases-none-kwargs>`_
"""
self.basecmd: Tuple[str, ...] = (cmd,) if isinstance(cmd, str) else cmd
"""
- **类型**: ``Tuple[str, ...]``
- **说明**: 命令前缀
"""
if "aliases" in kwargs:
del kwargs["aliases"]
self.base_kwargs: Dict[str, Any] = kwargs
"""
- **类型**: ``Dict[str, Any]``
- **说明**: 其他传递给 ``on_command`` 的参数默认值
"""
def command(self, cmd: Union[str, Tuple[str, ...]], **kwargs) -> Type[Matcher]:
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"""
:说明:
注册一个新的命令
:参数:
* ``cmd: Union[str, Tuple[str, ...]]``: 命令前缀
* ``**kwargs``: 其他传递给 ``on_command`` 的参数将会覆盖命令组默认值
:返回:
- ``Type[Matcher]``
"""
sub_cmd = (cmd,) if isinstance(cmd, str) else cmd
cmd = self.basecmd + sub_cmd
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
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return on_command(cmd, **final_kwargs, _depth=1)
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def shell_command(
self, cmd: Union[str, Tuple[str, ...]], **kwargs
) -> Type[Matcher]:
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"""
:说明:
注册一个新的命令
:参数:
* ``cmd: Union[str, Tuple[str, ...]]``: 命令前缀
* ``**kwargs``: 其他传递给 ``on_shell_command`` 的参数将会覆盖命令组默认值
:返回:
- ``Type[Matcher]``
"""
sub_cmd = (cmd,) if isinstance(cmd, str) else cmd
cmd = self.basecmd + sub_cmd
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
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return on_shell_command(cmd, **final_kwargs, _depth=1)
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class MatcherGroup:
"""事件响应器组合,统一管理。为 ``Matcher`` 创建提供默认属性。"""
def __init__(self, **kwargs):
"""
:说明:
创建一个事件响应器组合参数为默认值 ``on`` 一致
"""
self.matchers: List[Type[Matcher]] = []
"""
:类型: ``List[Type[Matcher]]``
:说明: 组内事件响应器列表
"""
self.base_kwargs: Dict[str, Any] = kwargs
"""
- **类型**: ``Dict[str, Any]``
- **说明**: 其他传递给 ``on`` 的参数默认值
"""
def on(self, **kwargs) -> Type[Matcher]:
"""
:说明:
注册一个基础事件响应器可自定义类型
:参数:
* ``type: str``: 事件响应器类型
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
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matcher = on(**final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_metaevent(self, **kwargs) -> Type[Matcher]:
"""
:说明:
注册一个元事件响应器
:参数:
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
final_kwargs.pop("permission", None)
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matcher = on_metaevent(**final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_message(self, **kwargs) -> Type[Matcher]:
"""
:说明:
注册一个消息事件响应器
:参数:
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
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matcher = on_message(**final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_notice(self, **kwargs) -> Type[Matcher]:
"""
:说明:
注册一个通知事件响应器
:参数:
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
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matcher = on_notice(**final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_request(self, **kwargs) -> Type[Matcher]:
"""
:说明:
注册一个请求事件响应器
:参数:
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
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matcher = on_request(**final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_startswith(
self, msg: Union[str, Tuple[str, ...]], **kwargs
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息的**文本部分**以指定内容开头时响应
:参数:
* ``msg: Union[str, Tuple[str, ...]]``: 指定消息开头内容
* ``ignorecase: bool``: 是否忽略大小写
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
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matcher = on_startswith(msg, **final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_endswith(self, msg: Union[str, Tuple[str, ...]], **kwargs) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息的**文本部分**以指定内容结尾时响应
:参数:
* ``msg: Union[str, Tuple[str, ...]]``: 指定消息结尾内容
* ``ignorecase: bool``: 是否忽略大小写
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
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matcher = on_endswith(msg, **final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_keyword(self, keywords: Set[str], **kwargs) -> Type[Matcher]:
"""
:说明:
注册一个消息事件响应器并且当消息纯文本部分包含关键词时响应
:参数:
* ``keywords: Set[str]``: 关键词列表
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
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matcher = on_keyword(keywords, **final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_command(
self,
cmd: Union[str, Tuple[str, ...]],
aliases: Optional[Set[Union[str, Tuple[str, ...]]]] = None,
**kwargs,
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息以指定命令开头时响应
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命令匹配规则参考: `命令形式匹配 <rule.md#command-command>`_
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:参数:
* ``cmd: Union[str, Tuple[str, ...]]``: 指定命令内容
* ``aliases: Optional[Set[Union[str, Tuple[str, ...]]]]``: 命令别名
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
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matcher = on_command(cmd, aliases=aliases, **final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher
def on_shell_command(
self,
cmd: Union[str, Tuple[str, ...]],
aliases: Optional[Set[Union[str, Tuple[str, ...]]]] = None,
parser: Optional[ArgumentParser] = None,
**kwargs,
) -> Type[Matcher]:
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"""
:说明:
注册一个支持 ``shell_like`` 解析参数的命令消息事件响应器
与普通的 ``on_command`` 不同的是在添加 ``parser`` 参数时, 响应器会自动处理消息
并将用户输入的原始参数列表保存在 ``state["argv"]``, ``parser`` 处理的参数保存在 ``state["args"]``
:参数:
* ``cmd: Union[str, Tuple[str, ...]]``: 指定命令内容
* ``aliases: Optional[Set[Union[str, Tuple[str, ...]]]]``: 命令别名
* ``parser: Optional[ArgumentParser]``: ``nonebot.rule.ArgumentParser`` 对象
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
matcher = on_shell_command(
cmd, aliases=aliases, parser=parser, **final_kwargs, _depth=1
)
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self.matchers.append(matcher)
return matcher
def on_regex(
self, pattern: str, flags: Union[int, re.RegexFlag] = 0, **kwargs
) -> Type[Matcher]:
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"""
:说明:
注册一个消息事件响应器并且当消息匹配正则表达式时响应
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命令匹配规则参考: `正则匹配 <rule.md#regex-regex-flags-0>`_
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:参数:
* ``pattern: str``: 正则表达式
* ``flags: Union[int, re.RegexFlag]``: 正则匹配标志
* ``rule: Optional[Union[Rule, T_RuleChecker]]``: 事件响应规则
* ``permission: Optional[Union[Permission, T_PermissionChecker]] =]]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Dependent]]]``: 事件处理函数列表
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* ``temp: bool``: 是否为临时事件响应器仅执行一次
* ``priority: int``: 事件响应器优先级
* ``block: bool``: 是否阻止事件向更低优先级传递
* ``state: Optional[T_State]``: 默认 state
:返回:
- ``Type[Matcher]``
"""
final_kwargs = self.base_kwargs.copy()
final_kwargs.update(kwargs)
final_kwargs.pop("type", None)
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matcher = on_regex(pattern, flags=flags, **final_kwargs, _depth=1)
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self.matchers.append(matcher)
return matcher