open-webui/backend/migrations/env.py
2024-07-12 21:12:30 +01:00

97 lines
2.7 KiB
Python

import os
from logging.config import fileConfig
from sqlalchemy import engine_from_config
from sqlalchemy import pool
from alembic import context
from apps.webui.models.auths import Auth
from apps.webui.models.chats import Chat
from apps.webui.models.documents import Document
from apps.webui.models.memories import Memory
from apps.webui.models.models import Model
from apps.webui.models.prompts import Prompt
from apps.webui.models.tags import Tag, ChatIdTag
from apps.webui.models.tools import Tool
from apps.webui.models.users import User
from apps.webui.models.files import File
from apps.webui.models.functions import Function
from config import DATABASE_URL
# 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.
if config.config_file_name is not None:
fileConfig(config.config_file_name, disable_existing_loggers=False)
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
target_metadata = Auth.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.
DB_URL = DATABASE_URL
if DB_URL:
config.set_main_option("sqlalchemy.url", DB_URL.replace("%", "%%"))
def run_migrations_offline() -> None:
"""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 = 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.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
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()