content: #  Copyright (c) ZenML GmbH 2022. All Rights Reserved.
  #
  #  Licensed under the Apache License, Version 2.0 (the "License");
  #  you may not use this file except in compliance with the License.
  #  You may obtain a copy of the License at:
  #
  #       https://www.apache.org/licenses/LICENSE-2.0
  #
  #  Unless required by applicable law or agreed to in writing, software
  #  distributed under the License is distributed on an "AS IS" BASIS,
  #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  #  or implied. See the License for the specific language governing
  #  permissions and limitations under the License.
  """Alembic environment script.
  
  This script is used by all Alembic CLI commands. It uses the SqlZenStore
  currently configured in the global configuration, or the default store if
  no store is configured, to get the SQLAlchemy engine and the context to run
  migrations.
  """
  
  from typing import cast
  
  from alembic import context
  from alembic.runtime.environment import EnvironmentContext
  
  from zenml.config.global_config import GlobalConfiguration
  from zenml.enums import StoreType
  from zenml.zen_stores.migrations.alembic import Alembic
  from zenml.zen_stores.sql_zen_store import SqlZenStore
  
  
  def run_migrations() -> None:
      """Run migrations through the ZenML SqlZenStore and Alembic classes."""
      store_cfg = GlobalConfiguration().store_configuration
  
      if store_cfg.type != StoreType.SQL:
          store_cfg = GlobalConfiguration().get_default_store()
  
      store = SqlZenStore(
          config=store_cfg,
          skip_default_registrations=True,
          skip_migrations=True,
      )
  
      a = Alembic(engine=store.engine, context=cast(EnvironmentContext, context))
      a.run_migrations(fn=None)
  
  
  run_migrations()
  