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alembic/env.py

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+from __future__ import annotations
+
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+from sqlmodel import SQLModel
+
+from app.core.config import settings
+
+# Alembic Config
+config = context.config
+config.set_main_option("sqlalchemy.url", settings.MARIADB_DSN_SYNC)
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Import all models so they register with SQLModel.metadata
+from app.models.mariadb import auth, device, monitoring, system, user  # noqa: F401
+
+target_metadata = SQLModel.metadata
+
+
+def run_migrations_offline() -> None:
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "format"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online() -> None:
+    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()