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from logging.config import fileConfig
from alembic import context
from sqlalchemy import engine_from_config, pool
import app.models # noqa: F401 (register tables)
from app.config import settings
from app.db import Base
config = context.config
config.set_main_option("sqlalchemy.url", settings.database_url)
if config.config_file_name:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def run_migrations_offline() -> None:
context.configure(url=settings.database_url, target_metadata=target_metadata, literal_binds=True)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
connectable = engine_from_config(config.get_section(config.config_ini_section), prefix="sqlalchemy.",
poolclass=pool.NullPool)
with connectable.connect() as connection:
# Batch mode rebuilds tables for ALTERs that SQLite cannot do in place (local dev only).
context.configure(connection=connection, target_metadata=target_metadata,
render_as_batch=connection.dialect.name == "sqlite")
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()