nex_basse/backend/alembic/env.py

68 lines
1.6 KiB
Python

from logging.config import fileConfig
from sqlalchemy import engine_from_config, pool
from alembic import context
import os
import sys
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
from app.core.config import get_settings
from app.models import Base
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
def get_url() -> str:
settings = get_settings()
return (
f"mysql+pymysql://{settings.db_user}:{settings.db_password}"
f"@{settings.db_host}:{settings.db_port}/{settings.db_name}"
"?charset=utf8mb4"
)
target_metadata = Base.metadata
def run_migrations_offline() -> None:
url = get_url()
context.configure(
url=url,
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
compare_type=True,
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
configuration = config.get_section(config.config_ini_section) or {}
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,
compare_type=True,
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()