mirror of
https://github.com/nonebot/nonebot2.git
synced 2024-12-18 09:25:46 +08:00
328 lines
8.6 KiB
Python
328 lines
8.6 KiB
Python
"""
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快捷导入
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========
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为方便使用，``nonebot`` 模块从子模块导入了部分内容
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- ``on_message`` => ``nonebot.plugin.on_message``
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- ``on_notice`` => ``nonebot.plugin.on_notice``
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- ``on_request`` => ``nonebot.plugin.on_request``
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- ``on_metaevent`` => ``nonebot.plugin.on_metaevent``
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- ``on_startswith`` => ``nonebot.plugin.on_startswith``
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- ``on_endswith`` => ``nonebot.plugin.on_endswith``
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- ``on_keyword`` => ``nonebot.plugin.on_keyword``
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- ``on_command`` => ``nonebot.plugin.on_command``
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- ``on_shell_command`` => ``nonebot.plugin.on_shell_command``
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- ``on_regex`` => ``nonebot.plugin.on_regex``
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- ``CommandGroup`` => ``nonebot.plugin.CommandGroup``
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- ``Matchergroup`` => ``nonebot.plugin.MatcherGroup``
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- ``load_plugin`` => ``nonebot.plugin.load_plugin``
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- ``load_plugins`` => ``nonebot.plugin.load_plugins``
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- ``load_all_plugins`` => ``nonebot.plugin.load_all_plugins``
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- ``load_from_json`` => ``nonebot.plugin.load_from_json``
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- ``load_from_toml`` => ``nonebot.plugin.load_from_toml``
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- ``load_builtin_plugins`` => ``nonebot.plugin.load_builtin_plugins``
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- ``get_plugin`` => ``nonebot.plugin.get_plugin``
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- ``get_loaded_plugins`` => ``nonebot.plugin.get_loaded_plugins``
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- ``export`` => ``nonebot.plugin.export``
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- ``require`` => ``nonebot.plugin.require``
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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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"""
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:说明:
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获取全局 Driver 对象。可用于在计划任务的回调中获取当前 Driver 对象。
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:返回:
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* ``Driver``: 全局 Driver 对象
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:异常:
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* ``ValueError``: 全局 Driver 对象尚未初始化 (nonebot.init 尚未调用)
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:用法:
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.. code-block:: python
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driver = nonebot.get_driver()
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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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"""
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:说明:
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获取全局 Driver 对应 Server App 对象。
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:返回:
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* ``Any``: Server App 对象
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:异常:
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* ``ValueError``: 全局 Driver 对象尚未初始化 (nonebot.init 尚未调用)
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:用法:
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.. code-block:: python
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app = nonebot.get_app()
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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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"""
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:说明:
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获取全局 Driver 对应 Asgi 对象。
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:返回:
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* ``Any``: Asgi 对象
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:异常:
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* ``ValueError``: 全局 Driver 对象尚未初始化 (nonebot.init 尚未调用)
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:用法:
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.. code-block:: python
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asgi = nonebot.get_asgi()
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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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"""
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:说明:
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当提供 self_id 时，此函数是 get_bots()[self_id] 的简写；当不提供时，返回一个 Bot。
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:参数:
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* ``self_id: Optional[str]``: 用来识别 Bot 的 ID
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:返回:
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* ``Bot``: Bot 对象
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:异常:
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* ``KeyError``: 对应 ID 的 Bot 不存在
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* ``ValueError``: 全局 Driver 对象尚未初始化 (nonebot.init 尚未调用)
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* ``ValueError``: 没有传入 ID 且没有 Bot 可用
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:用法:
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.. code-block:: 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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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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"""
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:说明:
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获取所有通过 ws 连接 NoneBot 的 Bot 对象。
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:返回:
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* ``Dict[str, Bot]``: 一个以字符串 ID 为键，Bot 对象为值的字典
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:异常:
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* ``ValueError``: 全局 Driver 对象尚未初始化 (nonebot.init 尚未调用)
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:用法:
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.. code-block:: python
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bots = nonebot.get_bots()
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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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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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return combine_driver(DriverClass, *mixins)
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def init(*, _env_file: Optional[str] = None, **kwargs):
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"""
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:说明:
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初始化 NoneBot 以及 全局 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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你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: Optional[str]``: 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 Config 对象里
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:返回:
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- ``None``
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:用法:
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.. code-block:: python
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nonebot.init(database=Database(...))
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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 = (
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("DEBUG" if config.debug else "INFO")
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if config.log_level is None
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else config.log_level
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)
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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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"""
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:说明:
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启动 NoneBot，即运行全局 Driver 对象。
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:参数:
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* ``*args``: 传入 Driver.run 的位置参数
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* ``**kwargs``: 传入 Driver.run 的命名参数
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:返回:
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- ``None``
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:用法:
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.. code-block:: python
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nonebot.run(host="127.0.0.1", port=8080)
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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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import nonebot.params as params
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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_plugins as load_builtin_plugins
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