initial commit after split

alembic/env.py

@@ -0,0 +1,61 @@
+from __future__ import annotations
+
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+
+from govoplan_core.access.db import models as access_models  # noqa: F401 - populate access metadata
+from govoplan_core.core.migrations import migration_metadata_plan
+from govoplan_core.db.base import Base
+from govoplan_core.db import models  # noqa: F401 - populate core metadata
+from govoplan_core.server.default_config import get_server_config
+from govoplan_core.server.registry import build_platform_registry
+from govoplan_core.settings import settings
+
+config = context.config
+database_url = config.attributes.get("database_url") or settings.database_url
+config.set_main_option("sqlalchemy.url", database_url)
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+
+def _target_metadata():
+    server_config = get_server_config()
+    registry = build_platform_registry(
+        server_config.enabled_modules,
+        manifest_factories=server_config.manifest_factories,
+    )
+    plan = migration_metadata_plan(registry, extra_metadata=(Base.metadata,))
+    return tuple(dict.fromkeys(plan.metadata))
+
+
+target_metadata = _target_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": "named"})
+
+    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()