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72 lines
2.0 KiB
Python
72 lines
2.0 KiB
Python
"""本模块定义插件对象。
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FrontMatter:
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sidebar_position: 3
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description: nonebot.plugin.plugin 模块
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"""
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from types import ModuleType
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from dataclasses import field, dataclass
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from typing import TYPE_CHECKING, Set, Dict, Type, Optional
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from nonebot.matcher import Matcher
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from .export import Export
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if TYPE_CHECKING:
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from .manager import PluginManager
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plugins: Dict[str, "Plugin"] = {}
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"""已加载的插件"""
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@dataclass(eq=False)
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class Plugin(object):
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"""存储插件信息"""
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name: str
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"""插件名称，使用 文件/文件夹 名称作为插件名"""
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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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export: Export = field(default_factory=Export)
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"""插件内定义的导出内容"""
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matcher: Set[Type[Matcher]] = field(default_factory=set)
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"""插件内定义的 `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"""
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def get_plugin(name: str) -> Optional[Plugin]:
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"""获取已经导入的某个插件。
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如果为 `load_plugins` 文件夹导入的插件，则为文件(夹)名。
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参数:
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name: 插件名，即 {ref}`nonebot.plugin.plugin.Plugin.name`。
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"""
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return plugins.get(name)
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def get_loaded_plugins() -> Set[Plugin]:
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"""获取当前已导入的所有插件。"""
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return set(plugins.values())
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def _new_plugin(fullname: str, module: ModuleType, manager: "PluginManager") -> Plugin:
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name = fullname.rsplit(".", 1)[-1] if "." in fullname else fullname
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if name in plugins:
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raise RuntimeError("Plugin already exists! Check your plugin name.")
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plugin = Plugin(name, module, fullname, manager)
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return plugin
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def _confirm_plugin(plugin: Plugin) -> None:
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if plugin.name in plugins:
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raise RuntimeError("Plugin already exists! Check your plugin name.")
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plugins[plugin.name] = plugin
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