Internal Server Error: /admin/papers/paper/2/change/
Traceback (most recent call last):
File "C:\Python310\lib\site-packages\django\core\handlers\exception.py", line 55, in inner
response = get_response(request)
File "C:\Python310\lib\site-packages\django\core\handlers\base.py", line 197, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Python310\lib\site-packages\django\contrib\admin\options.py", line 719, in wrapper
return self.admin_site.admin_view(view)(*args, **kwargs)
File "C:\Python310\lib\site-packages\django\utils\decorators.py", line 192, in _view_wrapper
result = _process_exception(request, e)
File "C:\Python310\lib\site-packages\django\utils\decorators.py", line 190, in _view_wrapper
response = view_func(request, *args, **kwargs)
File "C:\Python310\lib\site-packages\django\views\decorators\cache.py", line 80, in _view_wrapper
response = view_func(request, *args, **kwargs)
File "C:\Python310\lib\site-packages\django\contrib\admin\sites.py", line 246, in inner
return view(request, *args, **kwargs)
File "C:\Python310\lib\site-packages\django\contrib\admin\options.py", line 1987, in change_view
return self.changeform_view(request, object_id, form_url, extra_context)
File "C:\Python310\lib\site-packages\django\utils\decorators.py", line 48, in _wrapper
return bound_method(*args, **kwargs)
File "C:\Python310\lib\site-packages\django\utils\decorators.py", line 192, in _view_wrapper
result = _process_exception(request, e)
File "C:\Python310\lib\site-packages\django\utils\decorators.py", line 190, in _view_wrapper
response = view_func(request, *args, **kwargs)
File "C:\Python310\lib\site-packages\django\contrib\admin\options.py", line 1843, in changeform_view
return self._changeform_view(request, object_id, form_url, extra_context)
File "C:\Python310\lib\site-packages\django\contrib\admin\options.py", line 1895, in _changeform_view
self.save_related(request, form, formsets, not add)
File "C:\Python310\lib\site-packages\django\contrib\admin\options.py", line 1342, in save_related
self.save_formset(request, form, formset, change=change)
File "C:\Python310\lib\site-packages\django\contrib\admin\options.py", line 1330, in save_formset
formset.save()
File "C:\Python310\lib\site-packages\django\forms\models.py", line 796, in save
return self.save_existing_objects(commit) + self.save_new_objects(commit)
File "C:\Python310\lib\site-packages\django\forms\models.py", line 959, in save_new_objects
self.new_objects.append(self.save_new(form, commit=commit))
File "D:\pythonSpace\hitest\apps\papers\admin.py", line 21, in save_new
max_order = instance.order.aggregate(
AttributeError: 'int' object has no attribute 'aggregate'
本文介绍Django 1.0中表单创建方式的变化，原先使用的newforms.form_for_model()和newforms.form_for_instance()已被移除，取而代之的是forms.models.modelform_factory()。
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