Python alembic.context.is_offline_mode() Examples

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Example #1
Source File: test_script_consumption.py    From alembic with MIT License 4 votes vote down vote up 
def _env_file_fixture():
        env_file_fixture(
            textwrap.dedent(
                """\
            import alembic
            from alembic import context
            from sqlalchemy import engine_from_config, pool

            config = context.config

            target_metadata = None

            def run_migrations_offline():
                url = config.get_main_option('sqlalchemy.url')
                context.configure(
                    url=url, target_metadata=target_metadata,
                    on_version_apply=alembic.mock_event_listener,
                    literal_binds=True)

                with context.begin_transaction():
                    context.run_migrations()

            def run_migrations_online():
                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,
                        on_version_apply=alembic.mock_event_listener,
                        target_metadata=target_metadata,
                    )
                    with context.begin_transaction():
                        context.run_migrations()

            if context.is_offline_mode():
                run_migrations_offline()
            else:
                run_migrations_online()
            """
            )
        )