backend

backend/alembic/env.py

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+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()