nonebot2/nonebot/plugin/model.py

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"""本模块定义插件相关信息。
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FrontMatter:
sidebar_position: 3
description: nonebot.plugin.model 模块
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"""
import contextlib
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from types import ModuleType
from dataclasses import field, dataclass
from typing import TYPE_CHECKING, Any, Set, Dict, Type, Optional
from pydantic import BaseModel
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from nonebot.matcher import Matcher
from nonebot.utils import resolve_dot_notation
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if TYPE_CHECKING:
from nonebot.adapters import Adapter
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from .manager import PluginManager
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@dataclass(eq=False)
class PluginMetadata:
"""插件元信息,由插件编写者提供"""
name: str
"""插件名称"""
description: str
"""插件功能介绍"""
usage: str
"""插件使用方法"""
type: Optional[str] = None
"""插件类型,用于商店分类"""
homepage: Optional[str] = None
"""插件主页"""
config: Optional[Type[BaseModel]] = None
"""插件配置项"""
supported_adapters: Optional[Set[str]] = None
"""插件支持的适配器模块路径
格式为 `<module>[:<Adapter>]``~` `nonebot.adapters.` 的缩写
`None` 表示支持**所有适配器**
"""
extra: Dict[Any, Any] = field(default_factory=dict)
"""插件额外信息,可由插件编写者自由扩展定义"""
def get_supported_adapters(self) -> Optional[Set[Type["Adapter"]]]:
"""获取当前已安装的插件支持适配器类列表"""
if self.supported_adapters is None:
return None
adapters = set()
for adapter in self.supported_adapters:
with contextlib.suppress(ModuleNotFoundError, AttributeError):
adapters.add(
resolve_dot_notation(adapter, "Adapter", "nonebot.adapters.")
)
return adapters
@dataclass(eq=False)
class Plugin:
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"""存储插件信息"""
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name: str
"""插件索引标识NoneBot 使用 文件/文件夹 名称作为标识符"""
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module: ModuleType
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"""插件模块对象"""
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module_name: str
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"""点分割模块路径"""
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manager: "PluginManager"
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"""导入该插件的插件管理器"""
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matcher: Set[Type[Matcher]] = field(default_factory=set)
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"""插件加载时定义的 `Matcher`"""
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parent_plugin: Optional["Plugin"] = None
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"""父插件"""
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sub_plugins: Set["Plugin"] = field(default_factory=set)
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"""子插件集合"""
metadata: Optional[PluginMetadata] = None