73 lines
2.7 KiB
Python
73 lines
2.7 KiB
Python
from __future__ import annotations
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from logging.config import fileConfig
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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try:
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from govoplan_access.backend.db import models as access_models # noqa: F401 - populate optional access metadata
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except ModuleNotFoundError as exc:
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if exc.name != "govoplan_access":
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raise
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from govoplan_core.admin import models as core_admin_models # noqa: F401 - populate core admin metadata
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from govoplan_core.core import change_sequence as core_change_sequence_models # noqa: F401 - populate core metadata
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from govoplan_core.core.migrations import migration_metadata_plan
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from govoplan_core.db.base import Base
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from govoplan_core.server.default_config import get_server_config
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from govoplan_core.server.registry import build_platform_registry
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from govoplan_core.settings import settings
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from govoplan_core.tenancy.scope import scope_registry
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config = context.config
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database_url = config.attributes.get("database_url") or settings.database_url
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config.set_main_option("sqlalchemy.url", database_url)
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if config.config_file_name is not None:
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# Migrations can run inside the long-lived application process when module
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# state changes. Do not let Alembic's logging setup disable loggers that the
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# server already created (for example slow-request diagnostics).
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fileConfig(config.config_file_name, disable_existing_loggers=False)
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def _target_metadata():
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server_config = get_server_config()
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enabled_modules = config.attributes.get("enabled_modules", server_config.enabled_modules)
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manifest_factories = config.attributes.get("manifest_factories", server_config.manifest_factories)
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registry = build_platform_registry(
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enabled_modules,
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manifest_factories=manifest_factories,
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)
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plan = migration_metadata_plan(registry, extra_metadata=(scope_registry.metadata, Base.metadata))
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return tuple(dict.fromkeys(plan.metadata))
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target_metadata = _target_metadata()
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def run_migrations_offline() -> None:
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url = config.get_main_option("sqlalchemy.url")
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context.configure(url=url, target_metadata=target_metadata, literal_binds=True, dialect_opts={"paramstyle": "named"})
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with context.begin_transaction():
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context.run_migrations()
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def run_migrations_online() -> None:
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connectable = engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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with connectable.connect() as connection:
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context.configure(connection=connection, target_metadata=target_metadata)
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with context.begin_transaction():
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context.run_migrations()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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