Spaces:
Sleeping
Sleeping
File size: 2,400 Bytes
697c967 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 |
from sqlmodel.ext.asyncio.session import AsyncSession
from sqlalchemy.ext.asyncio import create_async_engine
from typing import AsyncGenerator
from contextlib import asynccontextmanager
import os
from config.settings import settings
# Create the async database engine
db_url = settings.database_url
if db_url.startswith("postgresql://"):
# Convert to asyncpg format
db_url = db_url.replace("postgresql://", "postgresql+asyncpg://", 1)
elif db_url.startswith("postgresql+asyncpg://"):
# Already in correct format
db_url = db_url
elif db_url.startswith("sqlite://") and not db_url.startswith("sqlite+aiosqlite"):
# Convert to aiosqlite format
db_url = db_url.replace("sqlite://", "sqlite+aiosqlite://", 1)
elif db_url.startswith("sqlite+aiosqlite"):
# Already in correct format
db_url = db_url
# For Neon PostgreSQL with asyncpg, SSL is handled automatically
# The issue is with URL parameters that asyncpg doesn't expect
if "postgresql+asyncpg" in db_url and "?sslmode=" in db_url:
# Extract the base URL without query parameters
base_url = db_url.split('?')[0]
# For Neon, we often just need the base URL as asyncpg handles SSL automatically
db_url = base_url
# Set appropriate engine options based on database type
if "postgresql" in db_url:
# For PostgreSQL, use asyncpg with proper SSL handling
async_engine = create_async_engine(
db_url,
echo=settings.db_echo, # Set to True for SQL query logging during development
pool_pre_ping=True, # Verify connections before use
pool_recycle=300, # Recycle connections every 5 minutes
# SSL is handled automatically by asyncpg for Neon
)
else: # SQLite
async_engine = create_async_engine(
db_url,
echo=settings.db_echo, # Set to True for SQL query logging during development
)
@asynccontextmanager
async def get_async_session() -> AsyncGenerator[AsyncSession, None]:
"""
Async context manager for database sessions.
Ensures the session is properly closed after use.
"""
async with AsyncSession(async_engine) as session:
try:
yield session
finally:
await session.close()
async def get_session_dep():
"""
Dependency function for FastAPI to provide async database sessions.
"""
async with AsyncSession(async_engine) as session:
yield session |