File size: 2,632 Bytes
7a88b43 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 |
import asyncio
from logging.config import fileConfig
from alembic import context
from sqlalchemy import engine_from_config, pool
from sqlalchemy.ext.asyncio import AsyncEngine
from app.core import config as app_config
# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config
# Interpret the config file for Python logging.
# This line sets up loggers basically.
fileConfig(config.config_file_name) # type: ignore
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
from app.models.database.base import Base # noqa
target_metadata = Base.metadata
# other values from the config, defined by the needs of env.py,
# can be acquired:
# my_important_option = config.get_main_option("my_important_option")
# ... etc.
def get_database_uri():
return app_config.settings.SQLALCHEMY_DATABASE_URI
def run_migrations_offline():
"""Run migrations in 'offline' mode.
This configures the context with just a URL
and not an Engine, though an Engine is acceptable
here as well. By skipping the Engine creation
we don't even need a DBAPI to be available.
Calls to context.execute() here emit the given string to the
script output.
"""
url = get_database_uri()
context.configure(
url=url,
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
compare_type=True,
compare_server_default=True,
)
with context.begin_transaction():
context.run_migrations()
def do_run_migrations(connection):
context.configure(
connection=connection, target_metadata=target_metadata, compare_type=True
)
with context.begin_transaction():
context.run_migrations()
async def run_migrations_online():
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
configuration = config.get_section(config.config_ini_section)
assert configuration
configuration["sqlalchemy.url"] = get_database_uri()
connectable = AsyncEngine(
engine_from_config(
configuration,
prefix="sqlalchemy.",
poolclass=pool.NullPool,
future=True,
) # type: ignore
)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
if context.is_offline_mode():
run_migrations_offline()
else:
asyncio.run(run_migrations_online()) |