Files
pablan/backend/alembic/env.py
T
ProfessorNovaandClaude Opus 5 97dbff309c Pablan, as it stands
Self-hosted knowledge management for SMEs: a split-screen Markdown editor
whose sections an LLM refines while you write, and RAG question answering
over the documents that result. FastAPI + Postgres/pgvector on the back,
SvelteKit on the front, everything OpenAI-compatible and self-hostable.

Squashed into a single commit; the development history stays local.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01CA43ZJda8Rbp2hKXNy8f6b
2026-09-04 08:36:17 +02:00

70 lines
1.9 KiB
Python

import asyncio
from logging.config import fileConfig
from sqlalchemy import pool
from sqlalchemy.engine import Connection
from sqlalchemy.ext.asyncio import async_engine_from_config
from alembic import context
from app.config import get_settings
from app.models import Base
config = context.config
if config.config_file_name is not None:
# Never disable already-created application loggers (e.g. when tests or
# tooling run migrations programmatically after app modules are imported).
fileConfig(config.config_file_name, disable_existing_loggers=False)
target_metadata = Base.metadata
# URL priority: alembic.ini / programmatic override (tests) → app settings.
if not config.get_main_option("sqlalchemy.url"):
config.set_main_option(
"sqlalchemy.url", get_settings().database_url.replace("%", "%%")
)
def run_migrations_offline() -> None:
"""Run migrations in 'offline' mode: emit SQL without a DB connection."""
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 do_run_migrations(connection: Connection) -> None:
context.configure(connection=connection, target_metadata=target_metadata)
with context.begin_transaction():
context.run_migrations()
async def run_async_migrations() -> None:
connectable = async_engine_from_config(
config.get_section(config.config_ini_section, {}),
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connectable.dispose()
def run_migrations_online() -> None:
asyncio.run(run_async_migrations())
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()