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SQLAlchemy ORM support for nonebot

Project description

nonebot

NoneBot Plugin ORM

✨ NoneBot 数据库支持插件 ✨

license pypi python

安装

pip install nonebot-plugin-orm
poetry add nonebot-plugin-orm
pdm add nonebot-plugin-orm

# 无需配置、开箱即用的默认依赖
pip install nonebot-plugin-orm[default]

# 特定数据库后端的依赖
pip install nonebot-plugin-orm[mysql]
pip install nonebot-plugin-orm[postgresql]
pip install nonebot-plugin-orm[sqlite]

# 特定数据库驱动的依赖
pip install nonebot-plugin-orm[asyncmy]
pip install nonebot-plugin-orm[aiomysql]
pip install nonebot-plugin-orm[psycopg]
pip install nonebot-plugin-orm[asyncpg]
pip install nonebot-plugin-orm[aiosqlite]

使用方式

ORM

Model 依赖注入

from nonebot.adapters import Event
from nonebot.params import Depends
from nonebot import require, on_message
from sqlalchemy.orm import Mapped, mapped_column

require("nonebot_plugin_orm")
from nonebot_plugin_orm import Model, async_scoped_session

matcher = on_message()


def get_user_id(event: Event) -> str:
    return event.get_user_id()


class User(Model):
    id: Mapped[int] = mapped_column(primary_key=True)
    user_id: Mapped[str] = Depends(get_user_id)


@matcher.handle()
async def _(event: Event, sess: async_scoped_session, user: User | None):
    if user:
        await matcher.finish(f"Hello, {user.user_id}")

    sess.add(User(user_id=get_user_id(event)))
    await sess.commit()
    await matcher.finish("Hello, new user!")

SQL 依赖注入

from sqlalchemy import select
from nonebot.adapters import Event
from nonebot.params import Depends
from nonebot import require, on_message
from sqlalchemy.orm import Mapped, mapped_column

require("nonebot_plugin_orm")
from nonebot_plugin_orm import Model, SQLDepends, async_scoped_session

matcher = on_message()


def get_session_id(event: Event) -> str:
    return event.get_session_id()


class Session(Model):
    id: Mapped[int] = mapped_column(primary_key=True)
    session_id: Mapped[str]


@matcher.handle()
async def _(
    event: Event,
    sess: async_scoped_session,
    session: Session
    | None = SQLDepends(
        select(Session).where(Session.session_id == Depends(get_session_id))
    ),
):
    if session:
        await matcher.finish(f"Hello, {session.session_id}")

    sess.add(Session(session_id=get_session_id(event)))
    await sess.commit()
    await matcher.finish("Hello, new user!")

CLI

依赖 NB CLI

$ nb orm
Usage: nb orm [OPTIONS] COMMAND [ARGS]...

Options:
  -c, --config FILE  可选的配置文件;默认为 ALEMBIC_CONFIG 环境变量的值,或者 "alembic.ini"(如果存在)
  -n, --name TEXT    .ini 文件中用于 Alembic 配置的小节的名称  [default: alembic]
  -x TEXT            自定义 env.py 脚本使用的其他参数,例如:-x setting1=somesetting -x
                     setting2=somesetting
  -q, --quite        不要输出日志到标准输出
  --help             Show this message and exit.

Commands:
  branches        显示所有的分支。
  check           检查数据库是否与模型定义一致。
  current         显示当前的迁移。
  downgrade       回退到先前版本。
  edit            使用 $EDITOR 编辑迁移脚本。
  ensure_version  创建版本表。
  heads           显示所有的分支头。
  history         显示迁移的历史。
  init            初始化脚本目录。
  list_templates  列出所有可用的模板。
  merge           合并多个迁移。创建一个新的迁移脚本。
  revision        创建一个新迁移脚本。
  show            显示迁移的信息。
  stamp           将数据库标记为特定的迁移版本,不运行任何迁移。
  upgrade         升级到较新版本。

配置项

sqlalchemy_database_url

默认数据库连接 URL。 参见:Engine Configuration — SQLAlchemy 2.0 Documentation

SQLALCHEMY_DATABASE_URL=sqlite+aiosqlite://

sqlalchemy_binds

bind keys 到 AsyncEngine 选项的映射。值可以是数据库连接 URL、AsyncEngine 选项字典或者 AsyncEngine 实例。

SQLALCHEMY_BINDS='{
    "": "sqlite+aiosqlite://",
    "nonebot_plugin_user": {
        "url": "postgresql+asyncpg://scott:tiger@localhost/mydatabase",
        "echo": true
    }
}'

sqlalchemy_echo

所有 AsyncEngineechoecho_pool 选项的默认值。用于快速调试连接和 SQL 生成问题。

SQLALCHEMY_ECHO=true

sqlalchemy_engine_options

所有 AsyncEngine 的默认选项字典。 参见:Engine Configuration — SQLAlchemy 2.0 Documentation

SQLALCHEMY_ENGINE_OPTIONS='{
    "pool_size": 5,
    "max_overflow": 10,
    "pool_timeout": 30,
    "pool_recycle": 3600,
    "echo": true
}'

sqlalchemy_session_options

AsyncSession 的选项字典。 参见:Session API — SQLAlchemy 2.0 Documentation

SQLALCHEMY_SESSION_OPTIONS='{
    "autoflush": false,
    "autobegin": true,
    "expire_on_commit": true
}'

alembic_config

配置文件路径或 AlembicConfig 实例。

ALEMBIC_CONFIG=alembic.ini

alembic_script_location

脚本目录路径。

ALEMBIC_SCRIPT_LOCATION=migrations

alembic_version_locations

迁移脚本目录路径或分支标签到迁移脚本目录路径的映射。

ALEMBIC_VERSION_LOCATIONS=migrations/versions

ALEMBIC_VERSION_LOCATIONS='{
    "": "migrations/versions",
    "nonebot_plugin_user": "src/nonebot_plugin_user/versions",
    "nonebot_plugin_chatrecorder": "migrations/versions/nonebot_plugin_chatrecorder"
}'

alembic_context

MigrationContext 的选项字典。 参见:Runtime Objects — Alembic 1.12.0 documentation

ALEMBIC_CONTEXT='{
    "render_as_batch": true
}'

alembic_startup_check

是否在启动时检查数据库与模型定义的一致性。

ALEMBIC_STARTUP_CHECK=true

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