code: def get_compilation_context(instance):
      
      context_builder = SqlaContext(instance.__class__)
      py3o_context = context_builder.compile_obj(instance)
      return py3o_context
docs: Return the compilation context for py3o templating
  
      Build a deep dict representation of the given instance and add config values
  
      :param obj instance: a SQLAlchemy model instance
      :return: a multi level dict with context datas
      :rtype: dict