python之在模板中显示 django-reversion 的 field_dict.items()

我打算使用 django reversion我项目中的应用程序。我有点困惑。如何在模板中显示更改列表(field_dict.items())？

模型.py:

@reversion.register() 
class Function(models.Model): 
    ***FIELDS*** 

views.py:

def function_revisions(request, function_code): 
    function = get_object_or_404(Function, pk=function_code) 
    versions = Version.objects.get_for_object(Function) 
    context = { 
        'function': function, 
        'versions': versions, 
    } 
    return render(request, 'project/function_revisions.html', context) 

function_revisions.html:

{% for version in versions %} 
     <p>Version: {{ forloop.counter }}.</p> 
     <p>Revision by {{ version.revision.user }}.</p> 
     <p>Date of revision : {{ version.revision.date_created }}.</p> 
 
     {% for field_name, field_value in version.field_dict.items() %} <-- ??? 
         <p>Field </p>{{ field_name }} had the value {{ field_value }}<p> 
     {% endfor %} 
{% endfor %} 

错误:

Traceback (most recent call last): 
  File "C:\Users\Nurzhan\PycharmProjects\RMS\project\views.py", line 231, in function_revisions 
    versions = Version.objects.get_for_object(Function) 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\django\db\models\manager.py", line 85, in manager_method 
    return getattr(self.get_queryset(), name)(*args, **kwargs) 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\reversion\models.py", line 118, in get_for_object 
    return self.get_for_object_reference(obj.__class__, obj.pk, model_db=model_db) 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\reversion\models.py", line 113, in get_for_object_reference 
    return self.get_for_model(model, model_db=model_db).filter( 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\reversion\models.py", line 106, in get_for_model 
    content_type = _get_content_type(model, self.db) 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\reversion\revisions.py", line 402, in _get_content_type 
    version_options = _get_options(model) 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\reversion\revisions.py", line 388, in _get_options 
    _assert_registered(model) 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\reversion\revisions.py", line 381, in _assert_registered 
    if not is_registered(model): 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\reversion\revisions.py", line 319, in is_registered 
    return _get_registration_key(model) in _registered_models 
  File "C:\Users\Nurzhan\AppData\Local\Programs\Python\Python35-32\lib\site-packages\reversion\revisions.py", line 312, in _get_registration_key 
    return (model._meta.app_label, model._meta.model_name) 
AttributeError: type object 'ModelBase' has no attribute '_meta' 

请您参考如下方法:

您将错误的东西传递给 get_for_object - 您需要传递实例 function，而不是模型 Function。