109 lines
3.3 KiB
Python
109 lines
3.3 KiB
Python
from logging.config import fileConfig
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from alembic import context
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from open_webui.models.auths import Auth
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from open_webui.env import DATABASE_URL, DATABASE_PASSWORD
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from sqlalchemy import engine_from_config, pool, create_engine
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# this is the Alembic Config object, which provides
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# access to the values within the .ini file in use.
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config = context.config
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# Interpret the config file for Python logging.
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# This line sets up loggers basically.
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if config.config_file_name is not None:
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fileConfig(config.config_file_name, disable_existing_loggers=False)
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# add your model's MetaData object here
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# for 'autogenerate' support
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# from myapp import mymodel
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# target_metadata = mymodel.Base.metadata
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target_metadata = Auth.metadata
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# other values from the config, defined by the needs of env.py,
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# can be acquired:
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# my_important_option = config.get_main_option("my_important_option")
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# ... etc.
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DB_URL = DATABASE_URL
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if DB_URL:
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config.set_main_option("sqlalchemy.url", DB_URL.replace("%", "%%"))
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def run_migrations_offline() -> None:
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"""Run migrations in 'offline' mode.
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This configures the context with just a URL
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and not an Engine, though an Engine is acceptable
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here as well. By skipping the Engine creation
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we don't even need a DBAPI to be available.
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Calls to context.execute() here emit the given string to the
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script output.
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"""
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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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)
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online() -> None:
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"""Run migrations in 'online' mode.
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In this scenario we need to create an Engine
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and associate a connection with the context.
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"""
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# Handle SQLCipher URLs
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if DB_URL and DB_URL.startswith("sqlite+sqlcipher://"):
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if not DATABASE_PASSWORD or DATABASE_PASSWORD.strip() == "":
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raise ValueError(
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"DATABASE_PASSWORD is required when using sqlite+sqlcipher:// URLs"
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)
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# Extract database path from SQLCipher URL
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db_path = DB_URL.replace("sqlite+sqlcipher://", "")
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if db_path.startswith("/"):
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db_path = db_path[1:] # Remove leading slash for relative paths
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# Create a custom creator function that uses sqlcipher3
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def create_sqlcipher_connection():
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import sqlcipher3
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conn = sqlcipher3.connect(db_path, check_same_thread=False)
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conn.execute(f"PRAGMA key = '{DATABASE_PASSWORD}'")
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return conn
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connectable = create_engine(
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"sqlite://", # Dummy URL since we're using creator
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creator=create_sqlcipher_connection,
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echo=False,
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)
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else:
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# Standard database connection (existing logic)
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connectable = engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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with connectable.connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata)
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with context.begin_transaction():
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context.run_migrations()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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