mirror of
https://github.com/fastapi-practices/fastapi_best_architecture.git
synced 2026-03-13 09:31:31 +08:00
5e438c685d
* define the basic architecture * Update script and deployment file locations * Update the route registration * Fix CI download dependencies * Updated ruff to 0.3.3 * Update app subdirectory naming * Update the model import * fix pre-commit pdm lock * Update the service directory naming * Add CRUD method documents * Fix the issue of circular import * Update the README document * Update the SQL statement for create tables * Update docker scripts and documentation * Fix docker scripts * Update the backend README.md * Add the security folder and move the redis client * Update the configuration item * Fix environment configuration reads * Update the default configuration * Updated README description * Updated the user registration API * Fix test cases * Update the celery configuration * Update and fix celery configuration * Updated the celery structure * Update celery tasks and api * Add celery flower * Update the import style * Update contributors
63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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import sys
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from typing import Annotated
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from uuid import uuid4
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from fastapi import Depends
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from sqlalchemy import URL
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from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
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from backend.common.log import log
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from backend.common.msd.model import MappedBase
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from backend.core.conf import settings
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def create_engine_and_session(url: str | URL):
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try:
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# 数据库引擎
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engine = create_async_engine(url, echo=settings.MYSQL_ECHO, future=True, pool_pre_ping=True)
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# log.success('数据库连接成功')
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except Exception as e:
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log.error('❌ 数据库链接失败 {}', e)
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sys.exit()
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else:
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db_session = async_sessionmaker(bind=engine, autoflush=False, expire_on_commit=False)
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return engine, db_session
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SQLALCHEMY_DATABASE_URL = (
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f'mysql+asyncmy://{settings.MYSQL_USER}:{settings.MYSQL_PASSWORD}@{settings.MYSQL_HOST}:'
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f'{settings.MYSQL_PORT}/{settings.MYSQL_DATABASE}?charset={settings.MYSQL_CHARSET}'
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)
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async_engine, async_db_session = create_engine_and_session(SQLALCHEMY_DATABASE_URL)
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async def get_db() -> AsyncSession:
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"""session 生成器"""
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session = async_db_session()
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try:
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yield session
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except Exception as se:
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await session.rollback()
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raise se
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finally:
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await session.close()
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# Session Annotated
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CurrentSession = Annotated[AsyncSession, Depends(get_db)]
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async def create_table():
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"""创建数据库表"""
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async with async_engine.begin() as coon:
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await coon.run_sync(MappedBase.metadata.create_all)
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def uuid4_str() -> str:
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"""数据库引擎 UUID 类型兼容性解决方案"""
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return str(uuid4())
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