我设置了以下模型:
class UserProfile(models.Model):
"Additional attributes for users."
url = models.URLField()
location = models.CharField(max_length=100)
user = models.ForeignKey(User, unique=True)
avatar = models.ImageField(upload_to='/home/something/www/avatars', height_field=80, width_field=80)
def __unicode__(self):
return "Profile of " + self.user.username
它应该存储有关用户的附加信息,例如化身。
不幸的是,当我试图通过管理面板上传图像时,它会给我一个错误,比如:
getattr(): attribute name must be string
当我从模型中删除该字段时,不会生成该字段,请执行db reset并重新加载服务器。我想原因是这个特殊的领域,只是不知道如何。
这是我的回溯:
File "/usr/lib/pymodules/python2.6/django/core/handlers/base.py" in get_response
92. response = callback(request, *callback_args, **callback_kwargs)
File "/usr/lib/pymodules/python2.6/django/contrib/admin/options.py" in wrapper
226. return self.admin_site.admin_view(view)(*args, **kwargs)
File "/usr/lib/pymodules/python2.6/django/views/decorators/cache.py" in _wrapped_view_func
44. response = view_func(request, *args, **kwargs)
File "/usr/lib/pymodules/python2.6/django/contrib/admin/sites.py" in inner
186. return view(request, *args, **kwargs)
File "/usr/lib/pymodules/python2.6/django/db/transaction.py" in _commit_on_success
240. res = func(*args, **kw)
File "/usr/lib/pymodules/python2.6/django/contrib/admin/options.py" in add_view
718. new_object = self.save_form(request, form, change=False)
File "/usr/lib/pymodules/python2.6/django/contrib/admin/options.py" in save_form
551. return form.save(commit=False)
File "/usr/lib/pymodules/python2.6/django/forms/models.py" in save
407. fail_message, commit, exclude=self._meta.exclude)
File "/usr/lib/pymodules/python2.6/django/forms/models.py" in save_instance
65. f.save_form_data(instance, cleaned_data[f.name])
File "/usr/lib/pymodules/python2.6/django/db/models/fields/files.py" in save_form_data
283. setattr(instance, self.name, data)
File "/usr/lib/pymodules/python2.6/django/db/models/fields/files.py" in __set__
316. self.field.update_dimension_fields(instance, force=True)
File "/usr/lib/pymodules/python2.6/django/db/models/fields/files.py" in update_dimension_fields
368. (self.width_field and not getattr(instance, self.width_field))
Exception Type: TypeError at /admin/proj/userprofile/add/
Exception Value: getattr(): attribute name must be string
您的问题是
height_field=80
和width_field=80
它们不应该包含您需要的高度和宽度,而应该包含模型中可以保存高度和宽度值的字段的名称。正如Django文档中对ImagedField的解释,这些是模型上的属性,在保存模型时将为您填充这些属性。如果希望为您填充此信息,可以在其中存储此信息的create model属性,否则只需删除这些属性,它们是可选的。
问题可能是:
如果使用
height_field
和width_field
,则应该是模型上包含高度和宽度信息的字段的名称。把这个修好它应该能用。相关问题 更多 >
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