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iTi-Flask/migrations/env.py

58 lines
1.3 KiB
Python

from __future__ import annotations
import os
from logging.config import fileConfig
from alembic import context
from sqlalchemy import engine_from_config, pool
from iti.config import get_config
from iti.db import Base
from iti.exchange import models as _exchange_models
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def get_url() -> str:
return os.getenv("DATABASE_URL") or get_config().database_url
def run_migrations_offline() -> None:
context.configure(
url=get_url(),
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
configuration = config.get_section(config.config_ini_section, {})
configuration["sqlalchemy.url"] = get_url()
connectable = engine_from_config(
configuration,
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()