44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
from collections.abc import AsyncGenerator
|
|
from typing import Any
|
|
|
|
from sqlalchemy.dialects.postgresql import insert as postgresql_insert
|
|
from sqlalchemy.dialects.sqlite import insert as sqlite_insert
|
|
from sqlalchemy.ext.asyncio import (
|
|
AsyncSession,
|
|
async_sessionmaker,
|
|
create_async_engine,
|
|
)
|
|
from sqlalchemy.orm import DeclarativeBase
|
|
|
|
from app.config import settings
|
|
|
|
engine = create_async_engine(
|
|
settings.database_url,
|
|
pool_size=settings.db_pool_size,
|
|
pool_timeout=settings.db_pool_timeout,
|
|
pool_pre_ping=True,
|
|
echo=False,
|
|
)
|
|
|
|
async_session_factory = async_sessionmaker(
|
|
engine,
|
|
class_=AsyncSession,
|
|
expire_on_commit=False,
|
|
)
|
|
|
|
|
|
class Base(DeclarativeBase):
|
|
pass
|
|
|
|
|
|
def insert_for_session(session: AsyncSession, table: Any) -> Any:
|
|
"""Build a dialect-native INSERT that supports conflict handling."""
|
|
if session.get_bind().dialect.name == "postgresql":
|
|
return postgresql_insert(table)
|
|
return sqlite_insert(table)
|
|
|
|
|
|
async def get_session() -> AsyncGenerator[AsyncSession, None]:
|
|
async with async_session_factory() as session:
|
|
yield session
|