migrations.py 文件源码

def execute_migration(schema_editor, operations, project=None):
    """Executes the specified migration operations
    using the specified schema editor.

    Arguments:
        schema_editor:
            The schema editor to use to
            execute the migrations.

        operations:
            The migration operations to execute.

        project:
            The project state to use during the
            migrations.
    """

    project = project or migrations.state.ProjectState.from_apps(apps)

    class Migration(migrations.Migration):
        pass

    Migration.operations = operations

    executor = MigrationExecutor(schema_editor.connection)
    executor.apply_migration(
        project, Migration('eh', 'postgres_extra'))