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buffer_platform/buffer_platform_v2/alembic/env.py

61 lines
1.5 KiB

import os
import sys
from logging.config import fileConfig
from sqlalchemy import engine_from_config, pool
from alembic import context
sys.path.insert(0, os.path.dirname(os.path.dirname(__file__)))
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
db_url = os.getenv("DATABASE_URL", "sqlite:///./data/buffer_v2.db")
if db_url.startswith("sqlite+aiosqlite"):
db_url = db_url.replace("sqlite+aiosqlite", "sqlite")
config.set_main_option("sqlalchemy.url", db_url)
from app.models import Base
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()