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.adapters import Event
from nonebot.handler import Handler
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.typing import T_State, T_Handler, T_RuleChecker, T_StateFactory
from nonebot.rule import (PREFIX_KEY, RAW_CMD_KEY, 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)
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def on(type: str = "",
rule: Optional[Union[Rule, T_RuleChecker]] = None,
permission: Optional[Permission] = None,
*,
handlers: Optional[List[Union[T_Handler, Handler]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = False,
state: Optional[T_State] = None,
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state_factory: Optional[T_StateFactory] = 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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new(type,
Rule() & rule,
permission or Permission(),
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
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module=_get_matcher_module(_depth + 1),
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default_state=state,
default_state_factory=state_factory)
_store_matcher(matcher)
return matcher
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def on_metaevent(rule: Optional[Union[Rule, T_RuleChecker]] = None,
*,
handlers: Optional[List[Union[T_Handler, Handler]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = False,
state: Optional[T_State] = None,
state_factory: Optional[T_StateFactory] = 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, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new("meta_event",
Rule() & rule,
Permission(),
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
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module=_get_matcher_module(_depth + 1),
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default_state=state,
default_state_factory=state_factory)
_store_matcher(matcher)
return matcher
def on_message(rule: Optional[Union[Rule, T_RuleChecker]] = None,
permission: Optional[Permission] = None,
*,
handlers: Optional[List[Union[T_Handler, Handler]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = True,
state: Optional[T_State] = None,
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state_factory: Optional[T_StateFactory] = 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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new("message",
Rule() & rule,
permission or Permission(),
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
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module=_get_matcher_module(_depth + 1),
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default_state=state,
default_state_factory=state_factory)
_store_matcher(matcher)
return matcher
def on_notice(rule: Optional[Union[Rule, T_RuleChecker]] = None,
*,
handlers: Optional[List[Union[T_Handler, Handler]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = False,
state: Optional[T_State] = None,
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state_factory: Optional[T_StateFactory] = 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, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new("notice",
Rule() & rule,
Permission(),
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
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module=_get_matcher_module(_depth + 1),
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default_state=state,
default_state_factory=state_factory)
_store_matcher(matcher)
return matcher
def on_request(rule: Optional[Union[Rule, T_RuleChecker]] = None,
*,
handlers: Optional[List[Union[T_Handler, Handler]]] = None,
temp: bool = False,
priority: int = 1,
block: bool = False,
state: Optional[T_State] = None,
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state_factory: Optional[T_StateFactory] = 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, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
matcher = Matcher.new("request",
Rule() & rule,
Permission(),
temp=temp,
priority=priority,
block=block,
handlers=handlers,
plugin=_current_plugin.get(),
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module=_get_matcher_module(_depth + 1),
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default_state=state,
default_state_factory=state_factory)
_store_matcher(matcher)
return matcher
def on_startswith(msg: Union[str, Tuple[str, ...]],
rule: Optional[Optional[Union[Rule, T_RuleChecker]]] = None,
ignorecase: bool = False,
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_depth: int = 0,
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**kwargs) -> Type[Matcher]:
"""
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
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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,
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_depth: int = 0,
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**kwargs) -> Type[Matcher]:
"""
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
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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,
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_depth: int = 0,
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**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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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,
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_depth: int = 0,
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**kwargs) -> Type[Matcher]:
"""
: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
命令匹配规则参考: `命令形式匹配 <rule.html#command-command>`_
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
async def _strip_cmd(event: Event, state: T_State):
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message = event.get_message()
if len(message) < 1:
return
segment = message.pop(0)
segment_text = str(segment).lstrip()
if not segment_text.startswith(state[PREFIX_KEY][RAW_CMD_KEY]):
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return
new_message = message.__class__(
segment_text[len(state[PREFIX_KEY][RAW_CMD_KEY]):].lstrip())
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for new_segment in reversed(new_message):
message.insert(0, new_segment)
handlers = kwargs.pop("handlers", [])
handlers.insert(0, _strip_cmd)
commands = set([cmd]) | (aliases or set())
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return on_message(command(*commands) & rule,
handlers=handlers,
**kwargs,
_depth=_depth + 1)
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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,
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_depth: int = 0,
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**kwargs) -> Type[Matcher]:
"""
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
:返回:
- ``Type[Matcher]``
"""
async def _strip_cmd(event: Event, state: T_State):
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message = event.get_message()
segment = message.pop(0)
new_message = message.__class__(
str(segment)[len(state[PREFIX_KEY][RAW_CMD_KEY]):].strip())
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for new_segment in reversed(new_message):
message.insert(0, new_segment)
handlers = kwargs.pop("handlers", [])
handlers.insert(0, _strip_cmd)
commands = set([cmd]) | (aliases or set())
return on_message(shell_command(*commands, parser=parser) & rule,
handlers=handlers,
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**kwargs,
_depth=_depth + 1)
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def on_regex(pattern: str,
flags: Union[int, re.RegexFlag] = 0,
rule: Optional[Union[Rule, T_RuleChecker]] = None,
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_depth: int = 0,
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**kwargs) -> Type[Matcher]:
"""
: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
命令匹配规则参考: `正则匹配 <rule.html#regex-regex-flags-0>`_
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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]:
"""
: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]:
"""
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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]:
"""
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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]:
"""
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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]:
"""
: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
命令匹配规则参考: `命令形式匹配 <rule.html#command-command>`_
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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]:
"""
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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,
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**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]:
"""
: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
命令匹配规则参考: `正则匹配 <rule.html#regex-regex-flags-0>`_
: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[Permission]``: 事件响应权限
* ``handlers: Optional[List[Union[T_Handler, Handler]]]``: 事件处理函数列表
* ``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
* ``state_factory: Optional[T_StateFactory]``: 默认 state 的工厂函数
: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