mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-11-24 00:55:07 +08:00
287 lines
10 KiB
Python
287 lines
10 KiB
Python
"""本模块主要定义了 NoneBot 启动所需函数，供 bot 入口文件调用。
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## 快捷导入
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为方便使用，本模块从子模块导入了部分内容，以下内容可以直接通过本模块导入:
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- `on` => {ref}``on` <nonebot.plugin.on.on>`
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- `on_metaevent` => {ref}``on_metaevent` <nonebot.plugin.on.on_metaevent>`
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- `on_message` => {ref}``on_message` <nonebot.plugin.on.on_message>`
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- `on_notice` => {ref}``on_notice` <nonebot.plugin.on.on_notice>`
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- `on_request` => {ref}``on_request` <nonebot.plugin.on.on_request>`
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- `on_startswith` => {ref}``on_startswith` <nonebot.plugin.on.on_startswith>`
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- `on_endswith` => {ref}``on_endswith` <nonebot.plugin.on.on_endswith>`
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- `on_keyword` => {ref}``on_keyword` <nonebot.plugin.on.on_keyword>`
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- `on_command` => {ref}``on_command` <nonebot.plugin.on.on_command>`
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- `on_shell_command` => {ref}``on_shell_command` <nonebot.plugin.on.on_shell_command>`
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- `on_regex` => {ref}``on_regex` <nonebot.plugin.on.on_regex>`
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- `CommandGroup` => {ref}``CommandGroup` <nonebot.plugin.on.CommandGroup>`
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- `Matchergroup` => {ref}``MatcherGroup` <nonebot.plugin.on.MatcherGroup>`
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- `load_plugin` => {ref}``load_plugin` <nonebot.plugin.load.load_plugin>`
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- `load_plugins` => {ref}``load_plugins` <nonebot.plugin.load.load_plugins>`
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- `load_all_plugins` => {ref}``load_all_plugins` <nonebot.plugin.load.load_all_plugins>`
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- `load_from_json` => {ref}``load_from_json` <nonebot.plugin.load.load_from_json>`
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- `load_from_toml` => {ref}``load_from_toml` <nonebot.plugin.load.load_from_toml>`
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- `load_builtin_plugin` => {ref}``load_builtin_plugin` <nonebot.plugin.load.load_builtin_plugin>`
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- `load_builtin_plugins` => {ref}``load_builtin_plugins` <nonebot.plugin.load.load_builtin_plugins>`
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- `get_plugin` => {ref}``get_plugin` <nonebot.plugin.plugin.get_plugin>`
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- `get_loaded_plugins` => {ref}``get_loaded_plugins` <nonebot.plugin.plugin.get_loaded_plugins>`
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- `export` => {ref}``export` <nonebot.plugin.export.export>`
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- `require` => {ref}``require` <nonebot.plugin.load.require>`
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FrontMatter:
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sidebar_position: 0
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description: nonebot 模块
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"""
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import importlib
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from typing import Any, Dict, Type, Optional
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import pkg_resources
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from nonebot.adapters import Bot
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from nonebot.utils import escape_tag
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from nonebot.config import Env, Config
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from nonebot.log import logger, default_filter
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from nonebot.drivers import Driver, ReverseDriver, combine_driver
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try:
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_dist: pkg_resources.Distribution = pkg_resources.get_distribution("nonebot2")
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__version__ = _dist.version
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VERSION = _dist.parsed_version
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except pkg_resources.DistributionNotFound: # pragma: no cover
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__version__ = None
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VERSION = None
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_driver: Optional[Driver] = None
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def get_driver() -> Driver:
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"""获取全局 {ref}`nonebot.drivers.Driver` 实例。
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可用于在计划任务的回调等情形中获取当前 {ref}`nonebot.drivers.Driver` 实例。
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返回:
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全局 {ref}`nonebot.drivers.Driver` 对象
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异常:
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ValueError: 全局 {ref}`nonebot.drivers.Driver` 对象尚未初始化 ({ref}`nonebot.init <nonebot.init>` 尚未调用)
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用法:
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```python
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driver = nonebot.get_driver()
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```
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"""
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if _driver is None:
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raise ValueError("NoneBot has not been initialized.")
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return _driver
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def get_app() -> Any:
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"""获取全局 {ref}`nonebot.drivers.ReverseDriver` 对应的 Server App 对象。
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返回:
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Server App 对象
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异常:
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AssertionError: 全局 Driver 对象不是 {ref}`nonebot.drivers.ReverseDriver` 类型
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ValueError: 全局 {ref}`nonebot.drivers.Driver` 对象尚未初始化 ({ref}`nonebot.init <nonebot.init>` 尚未调用)
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用法:
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```python
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app = nonebot.get_app()
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```
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"""
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driver = get_driver()
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assert isinstance(
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driver, ReverseDriver
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), "app object is only available for reverse driver"
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return driver.server_app
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def get_asgi() -> Any:
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"""获取全局 {ref}`nonebot.drivers.ReverseDriver` 对应 [ASGI](https://asgi.readthedocs.io/) 对象。
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返回:
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ASGI 对象
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异常:
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AssertionError: 全局 Driver 对象不是 {ref}`nonebot.drivers.ReverseDriver` 类型
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ValueError: 全局 {ref}`nonebot.drivers.Driver` 对象尚未初始化 ({ref}`nonebot.init <nonebot.init>` 尚未调用)
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用法:
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```python
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asgi = nonebot.get_asgi()
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```
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"""
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driver = get_driver()
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assert isinstance(
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driver, ReverseDriver
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), "asgi object is only available for reverse driver"
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return driver.asgi
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def get_bot(self_id: Optional[str] = None) -> Bot:
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"""获取一个连接到 NoneBot 的 {ref}`nonebot.adapters.Bot` 对象。
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当提供 `self_id` 时，此函数是 `get_bots()[self_id]` 的简写；
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当不提供时，返回一个 {ref}`nonebot.adapters.Bot`。
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参数:
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self_id: 用来识别 {ref}`nonebot.adapters.Bot` 的 {ref}`nonebot.adapters.Bot.self_id` 属性
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返回:
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{ref}`nonebot.adapters.Bot` 对象
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异常:
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KeyError: 对应 self_id 的 Bot 不存在
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ValueError: 没有传入 self_id 且没有 Bot 可用
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ValueError: 全局 {ref}`nonebot.drivers.Driver` 对象尚未初始化 ({ref}`nonebot.init <nonebot.init>` 尚未调用)
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用法:
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```python
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assert nonebot.get_bot("12345") == nonebot.get_bots()["12345"]
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another_unspecified_bot = nonebot.get_bot()
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```
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"""
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bots = get_bots()
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if self_id is not None:
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return bots[self_id]
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for bot in bots.values():
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return bot
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raise ValueError("There are no bots to get.")
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def get_bots() -> Dict[str, Bot]:
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"""获取所有连接到 NoneBot 的 {ref}`nonebot.adapters.Bot` 对象。
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返回:
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一个以 {ref}`nonebot.adapters.Bot.self_id` 为键，{ref}`nonebot.adapters.Bot` 对象为值的字典
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异常:
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ValueError: 全局 {ref}`nonebot.drivers.Driver` 对象尚未初始化 ({ref}`nonebot.init <nonebot.init>` 尚未调用)
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用法:
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```python
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bots = nonebot.get_bots()
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```
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"""
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driver = get_driver()
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return driver.bots
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def _resolve_dot_notation(
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obj_str: str, default_attr: str, default_prefix: Optional[str] = None
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) -> Any:
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modulename, _, cls = obj_str.partition(":")
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if default_prefix is not None and modulename.startswith("~"):
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modulename = default_prefix + modulename[1:]
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module = importlib.import_module(modulename)
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if not cls:
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return getattr(module, default_attr)
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instance = module
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for attr_str in cls.split("."):
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instance = getattr(instance, attr_str)
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return instance
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def _resolve_combine_expr(obj_str: str) -> Type[Driver]:
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drivers = obj_str.split("+")
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DriverClass = _resolve_dot_notation(
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drivers[0], "Driver", default_prefix="nonebot.drivers."
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)
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if len(drivers) == 1:
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logger.trace(f"Detected driver {DriverClass} with no mixins.")
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return DriverClass
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mixins = [
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_resolve_dot_notation(mixin, "Mixin", default_prefix="nonebot.drivers.")
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for mixin in drivers[1:]
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]
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logger.trace(f"Detected driver {DriverClass} with mixins {mixins}.")
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return combine_driver(DriverClass, *mixins)
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def init(*, _env_file: Optional[str] = None, **kwargs: Any) -> None:
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"""初始化 NoneBot 以及 全局 {ref}`nonebot.drivers.Driver` 对象。
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NoneBot 将会从 .env 文件中读取环境信息，并使用相应的 env 文件配置。
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也可以传入自定义的 `_env_file` 来指定 NoneBot 从该文件读取配置。
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参数:
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_env_file: 配置文件名，默认从 `.env.{env_name}` 中读取配置
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kwargs: 任意变量，将会存储到 {ref}`nonebot.drivers.Driver.config` 对象里
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用法:
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```python
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nonebot.init(database=Database(...))
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```
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"""
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global _driver
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if not _driver:
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logger.success("NoneBot is initializing...")
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env = Env()
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config = Config(
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**kwargs,
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_common_config=env.dict(),
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_env_file=_env_file or f".env.{env.environment}",
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)
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default_filter.level = config.log_level
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logger.opt(colors=True).info(
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f"Current <y><b>Env: {escape_tag(env.environment)}</b></y>"
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)
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logger.opt(colors=True).debug(
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f"Loaded <y><b>Config</b></y>: {escape_tag(str(config.dict()))}"
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)
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DriverClass: Type[Driver] = _resolve_combine_expr(config.driver)
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_driver = DriverClass(env, config)
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def run(*args: Any, **kwargs: Any) -> None:
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"""启动 NoneBot，即运行全局 {ref}`nonebot.drivers.Driver` 对象。
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参数:
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args: 传入 {ref}`nonebot.drivers.Driver.run` 的位置参数
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kwargs: 传入 {ref}`nonebot.drivers.Driver.run` 的命名参数
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用法:
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```python
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nonebot.run(host="127.0.0.1", port=8080)
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```
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"""
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logger.success("Running NoneBot...")
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get_driver().run(*args, **kwargs)
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from nonebot.plugin import on as on
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from nonebot.plugin import export as export
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from nonebot.plugin import require as require
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from nonebot.plugin import on_regex as on_regex
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from nonebot.plugin import on_notice as on_notice
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from nonebot.plugin import get_plugin as get_plugin
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from nonebot.plugin import on_command as on_command
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from nonebot.plugin import on_keyword as on_keyword
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from nonebot.plugin import on_message as on_message
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from nonebot.plugin import on_request as on_request
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from nonebot.plugin import load_plugin as load_plugin
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from nonebot.plugin import on_endswith as on_endswith
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from nonebot.plugin import CommandGroup as CommandGroup
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from nonebot.plugin import MatcherGroup as MatcherGroup
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from nonebot.plugin import load_plugins as load_plugins
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from nonebot.plugin import on_metaevent as on_metaevent
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from nonebot.plugin import on_startswith as on_startswith
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from nonebot.plugin import load_from_json as load_from_json
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from nonebot.plugin import load_from_toml as load_from_toml
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from nonebot.plugin import load_all_plugins as load_all_plugins
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from nonebot.plugin import on_shell_command as on_shell_command
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from nonebot.plugin import get_loaded_plugins as get_loaded_plugins
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from nonebot.plugin import load_builtin_plugin as load_builtin_plugin
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from nonebot.plugin import load_builtin_plugins as load_builtin_plugins
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__autodoc__ = {"internal": False}
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