text: import sys
  from logging.config import fileConfig
  
  from sqlalchemy import engine_from_config
  from sqlalchemy import pool
  
  from alembic import context
  
  sys.path = ['', '..'] + sys.path[1:]
  
  from build_you.database import SQLALCHEMY_DATABASE_URL
  from build_you.models import Base
  
  # this is the Alembic Config object, which provides
  # access to the values within the .ini file in use.
  config = context.config
  
  # Interpret the config file for Python logging.
  # This line sets up loggers basically.
  fileConfig(config.config_file_name)
  
  # add your model's MetaData object here
  # for 'autogenerate' support
  # from myapp import mymodel
  # target_metadata = mymodel.Base.metadata
  target_metadata = Base.metadata
  
  # other values from the config, defined by the needs of env.py,
  # can be acquired:
  # my_important_option = config.get_main_option("my_important_option")
  # ... etc.
  
  
  def run_migrations_offline():
      """Run migrations in 'offline' mode.
  
      This configures the context with just a URL
      and not an Engine, though an Engine is acceptable
      here as well.  By skipping the Engine creation
      we don't even need a DBAPI to be available.
  
      Calls to context.execute() here emit the given string to the
      script output.
  
      """
      # url = config.get_main_option('sqlalchemy.url')
      url = SQLALCHEMY_DATABASE_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():
      """Run migrations in 'online' mode.
  
      In this scenario we need to create an Engine
      and associate a connection with the context.
  
      """
      configuration = config.get_section(config.config_ini_section)
      configuration['sqlalchemy.url'] = SQLALCHEMY_DATABASE_URL
      connectable = engine_from_config(
          configuration,
          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()
  