小编Abd*_*dan的帖子

我想通过 Alembic 进行迁移，但有些东西不起作用。我不明白我到底做错了什么。

我的蒸馏器 .env

from logging.config import fileConfig

from sqlalchemy import create_engine
from sqlalchemy import engine_from_config
from sqlalchemy import pool
from db import ORMAR_DATABASE_URL
from alembic import context
import sys, os

sys.path.append(os.getcwd())
config = context.config

fileConfig(config.config_file_name)

from db import Base
target_metadata = Base.metadata
URL = "postgresql://admin:admin@localhost/fa_naesmi"



def run_migrations_offline():


context.configure(
    url=URL,
    target_metadata=target_metadata,
    literal_binds=True,
    dialect_opts={"paramstyle": "named"},
    user_module_prefix='sa.'
)

with context.begin_transaction():
    context.run_migrations()


def run_migrations_online():
connectable = create_engine(URL)

with connectable.connect() as connection:
    context.configure(
        connection=connection,
        target_metadata=target_metadata,
        user_module_prefix='sa.'
    )

    with context.begin_transaction():
        context.run_migrations()


if context.is_offline_mode():
    run_migrations_offline() …