didier/database/engine.py

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from urllib.parse import quote_plus
from sqlalchemy.engine import URL
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
from sqlalchemy.orm import sessionmaker
import settings
encoded_password = quote_plus(settings.DB_PASSWORD)
engine = create_async_engine(
URL.create(
drivername="postgresql+asyncpg",
username=settings.DB_USERNAME,
password=encoded_password,
host=settings.DB_HOST,
port=settings.DB_PORT,
database=settings.DB_NAME,
),
pool_pre_ping=True,
)
DBSession = sessionmaker(autocommit=False, autoflush=False, bind=engine, class_=AsyncSession, expire_on_commit=False)