From 5edba817f2a813090fb6a11fd21b6bc3cf3dc0c3 Mon Sep 17 00:00:00 2001 From: inter Date: Mon, 8 Sep 2025 16:35:50 +0800 Subject: [PATCH] Add File --- backend/alembic/env.py | 92 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 backend/alembic/env.py diff --git a/backend/alembic/env.py b/backend/alembic/env.py new file mode 100644 index 0000000..3f72963 --- /dev/null +++ b/backend/alembic/env.py @@ -0,0 +1,92 @@ +# alembic/env.py +import sys +from os.path import abspath, dirname + +sys.path.insert(0, dirname(dirname(abspath(__file__)))) + +import os + +from alembic import context +from sqlalchemy import engine_from_config, pool + +# 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. + +# add your model's MetaData object here +# for 'autogenerate' support +# from myapp import mymodel +# target_metadata = mymodel.Base.metadata +# target_metadata = None + +# from apps.system.models.user import SQLModel # noqa +# from apps.settings.models.setting_models import SQLModel +# from apps.chat.models.chat_model import SQLModel +from apps.terminology.models.terminology_model import SQLModel +# from apps.dashboard.models.dashboard_model import SQLModel +from common.core.config import settings # noqa + +target_metadata = SQLModel.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_url(): + return str(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_url() + context.configure( + url=url, target_metadata=target_metadata, literal_binds=True, compare_type=True + ) + + with context.begin_transaction(): + context.run_migrations() + + +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) + 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()