ay/backend/alembic/env.py
2025-06-24 18:17:53 +02:00

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2.7 KiB
Python

import os
import sys
from logging.config import fileConfig
from sqlalchemy import engine_from_config
from sqlalchemy import pool
from alembic import context
# Ceci ajoute le répertoire 'backend' (où se trouve 'alembic.ini' et 'main.py')
# au chemin de recherche Python, permettant d'importer vos modules.
sys.path.append(os.path.abspath("."))
# Importez votre objet Base de core.database
from core.database import Base
# Importez tous vos modèles SQLAlchemy ici pour qu'Alembic puisse les détecter.
from models import user
from models import document
# this is the Alembic Config object, which provides
# access to 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)
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import Base
# target_metadata = Base.metadata
target_metadata = Base.metadata
# other values from the config, defined by the needs of env.py,
# can be acquired a number of ways.
# in this example, we want to override the sqlalchemy.url from the ini file
# if a DATABASE_URL environment variable is present.
# Note: config.get_main_option() reads from alembic.ini, which we updated.
url = os.environ.get("DATABASE_URL") or config.get_main_option("sqlalchemy.url")
if url:
config.set_main_option("sqlalchemy.url", url)
def run_migrations_offline() -> None:
"""Run migrations in 'offline' mode.
This configures the context with just a URL
and not an actual DBAPI connection. By doing this,
migrations can be run without a database present.
Methods can be called instead to produce a string
of content to be executed later,
e.g. env.py's Alembic.configure with a SQLAlchemy connection string.
"""
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 a connection
to the database before configuring Alembic.
"""
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()