Files
pyisu/backend/alembic/env.py
2026-03-13 14:39:43 +08:00

63 lines
1.6 KiB
Python

from logging.config import fileConfig
from sqlalchemy import engine_from_config, pool
from alembic import context
import sys
import os
# Add app directory to path
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
# Import models for autogenerate
from app.database import Base
from app import models
# Alembic Config object
config = context.config
# Interpret the config file for Python logging
fileConfig(config.config_file_name)
# Override SQLAlchemy URL from environment variable
database_url = os.getenv('DATABASE_URL')
if database_url:
config.set_main_option('sqlalchemy.url', database_url)
# Set target_metadata for autogenerate support
target_metadata = Base.metadata
def run_migrations_offline() -> None:
"""Run migrations in 'offline' mode."""
url = config.get_main_option("sqlalchemy.url")
context.configure(
url=url,
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
"""Run migrations in 'online' mode."""
connectable = engine_from_config(
config.get_section(config.config_ini_section, {}),
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
with connectable.connect() as connection:
context.configure(
connection=connection,
target_metadata=target_metadata
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()