mirror of
https://github.com/nonebot/nonebot2.git
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125 lines
3.9 KiB
Python
125 lines
3.9 KiB
Python
import json
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import warnings
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from typing import Set, Iterable, Optional
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import tomlkit
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from . import _managers
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from .export import Export
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from .manager import PluginManager
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from .plugin import Plugin, get_plugin
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def load_plugin(module_path: str) -> Optional[Plugin]:
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"""
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使用 `PluginManager` 加载单个插件，可以是本地插件或是通过 `pip` 安装的插件。
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参数:
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module_path: 插件名称 `path.to.your.plugin`
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"""
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manager = PluginManager([module_path])
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_managers.append(manager)
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return manager.load_plugin(module_path)
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def load_plugins(*plugin_dir: str) -> Set[Plugin]:
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"""
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导入目录下多个插件，以 `_` 开头的插件不会被导入！
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参数:
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plugin_dir: 插件路径
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"""
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manager = PluginManager(search_path=plugin_dir)
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_managers.append(manager)
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return manager.load_all_plugins()
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def load_all_plugins(
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module_path: Iterable[str], plugin_dir: Iterable[str]
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) -> Set[Plugin]:
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"""
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导入指定列表中的插件以及指定目录下多个插件，以 `_` 开头的插件不会被导入！
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参数:
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module_path: 指定插件集合
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plugin_dir: 指定插件路径集合
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"""
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manager = PluginManager(module_path, plugin_dir)
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_managers.append(manager)
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return manager.load_all_plugins()
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def load_from_json(file_path: str, encoding: str = "utf-8") -> Set[Plugin]:
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"""
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导入指定 json 文件中的 `plugins` 以及 `plugin_dirs` 下多个插件，以 `_` 开头的插件不会被导入！
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参数:
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file_path: 指定 json 文件路径
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encoding: 指定 json 文件编码"""
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with open(file_path, "r", encoding=encoding) as f:
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data = json.load(f)
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plugins = data.get("plugins")
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plugin_dirs = data.get("plugin_dirs")
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assert isinstance(plugins, list), "plugins must be a list of plugin name"
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assert isinstance(plugin_dirs, list), "plugin_dirs must be a list of directories"
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return load_all_plugins(set(plugins), set(plugin_dirs))
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def load_from_toml(file_path: str, encoding: str = "utf-8") -> Set[Plugin]:
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"""
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导入指定 toml 文件 `[tool.nonebot]` 中的 `plugins` 以及 `plugin_dirs` 下多个插件，
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以 `_` 开头的插件不会被导入！
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参数:
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file_path: 指定 toml 文件路径
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encoding: 指定 toml 文件编码"""
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with open(file_path, "r", encoding=encoding) as f:
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data = tomlkit.parse(f.read()) # type: ignore
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nonebot_data = data.get("tool", {}).get("nonebot")
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if not nonebot_data:
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nonebot_data = data.get("nonebot", {}).get("plugins")
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if nonebot_data:
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warnings.warn(
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"[nonebot.plugins] table are now deprecated. Use [tool.nonebot] instead.",
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DeprecationWarning,
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)
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else:
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raise ValueError("Cannot find '[tool.nonebot]' in given toml file!")
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plugins = nonebot_data.get("plugins", [])
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plugin_dirs = nonebot_data.get("plugin_dirs", [])
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assert isinstance(plugins, list), "plugins must be a list of plugin name"
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assert isinstance(plugin_dirs, list), "plugin_dirs must be a list of directories"
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return load_all_plugins(plugins, plugin_dirs)
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def load_builtin_plugin(name: str) -> Optional[Plugin]:
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"""
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导入 NoneBot 内置插件
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"""
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return load_plugin(f"nonebot.plugins.{name}")
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def load_builtin_plugins(*plugins) -> Set[Plugin]:
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"""
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导入多个 NoneBot 内置插件
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"""
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return load_all_plugins([f"nonebot.plugins.{p}" for p in plugins], [])
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def require(name: str) -> Export:
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"""
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获取一个插件的导出内容
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参数:
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name: 插件名，与 `load_plugin` 参数一致。如果为 `load_plugins` 导入的插件，则为文件(夹)名。
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异常:
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RuntimeError: 插件无法加载
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"""
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plugin = get_plugin(name) or load_plugin(name)
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if not plugin:
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raise RuntimeError(f'Cannot load plugin "{name}"!')
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return plugin.export
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