52 lines
1.1 KiB
Python
52 lines
1.1 KiB
Python
from typing import AsyncGenerator
|
|
|
|
from pydantic import BaseSettings
|
|
|
|
from sqlalchemy import create_engine
|
|
from sqlalchemy_utils import database_exists
|
|
from sqlalchemy_utils import create_database
|
|
from sqlalchemy.orm import Session, sessionmaker
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
|
|
|
|
class SqlSettings(BaseSettings):
|
|
db_host: str = '${REPO_NAME_SNAKE}_db'
|
|
db_port: int = 3306
|
|
db_user: str = '${REPO_NAME_SNAKE}'
|
|
db_password: str = ''
|
|
db_database: str = '${REPO_NAME_SNAKE}'
|
|
|
|
sql_settings = SqlSettings()
|
|
|
|
db_url = (
|
|
'mysql://{db_user}:{db_password}@'
|
|
'{db_host}:{db_port}/{db_database}'
|
|
).format(**sql_settings.dict())
|
|
|
|
|
|
engine = create_engine(db_url)
|
|
if not database_exists(db_url):
|
|
create_database(db_url)
|
|
|
|
SessionLocal = sessionmaker(
|
|
autoflush=False,
|
|
bind=engine,
|
|
)
|
|
|
|
Base = declarative_base()
|
|
|
|
|
|
async def get_db() -> AsyncGenerator[Session, None]:
|
|
"""FastAPI dependency
|
|
returning database Session object.
|
|
Code is copied from the official docs
|
|
|
|
Yields:
|
|
SQLAlchemy Session object
|
|
"""
|
|
|
|
db = SessionLocal()
|
|
try:
|
|
yield db
|
|
finally:
|
|
db.close()
|