from __future__ import annotations
from logging.config import fileConfig
from alembic import context
from sqlalchemy import engine_from_config, pool
# Import Base + models so metadata is populated
from app.db import Base
import app.models # noqa: F401
import os
config = context.config
fileConfig(config.config_file_name)
target_metadata = Base.metadata
db_url = os.getenv("ALEMBIC_DATABASE_URL")
if db_url:
config.set_main_option("sqlalchemy.url", db_url)
def run_migrations_offline() -> None:
url = config.get_main_option("sqlalchemy.url")
context.configure(
url=url,
target_metadata=target_metadata,
literal_binds=True,
compare_type=True,
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
section = config.get_section(config.config_ini_section) or {}
connectable = engine_from_config(
section,
prefix="sqlalchemy.",
poolclass=pool.NullPool,
future=True,
)
with connectable.connect() as connection:
context.configure(
connection=connection,
target_metadata=target_metadata,
compare_type=True,
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()
