我有一个简单的ModelForm:
class MyForm(ModelForm):
def __init__(self, *args, **kwargs):
super(MyForm, self).__init__(*args, **kwargs)
del self.fields['name']
您可以看到,我试图从表单的字段列表中删除一个字段(该字段在模型中确实存在),但是我遇到了异常:
TemplateSyntaxError at [..]
Caught an exception while rendering: "Key 'name' not found in Form"
我没有编写自定义表单,所以出现错误的模板是:
/templates/admin/includes/fieldset.html, error at line 4
有什么想法吗?
-- 更新 --
问题只出现在管理区域。
-- 更新 2 --
也许跟踪转储可以提供更多信息:
Original Traceback (most recent call last):
File "/Library/Python/2.5/site-packages/django/template/debug.py", line 71, in render_node
result = node.render(context)
File "/Library/Python/2.5/site-packages/django/template/defaulttags.py", line 155, in render
nodelist.append(node.render(context))
File "/Library/Python/2.5/site-packages/django/template/defaulttags.py", line 239, in render
value = bool_expr.resolve(context, True)
File "/Library/Python/2.5/site-packages/django/template/__init__.py", line 546, in resolve
obj = self.var.resolve(context)
File "/Library/Python/2.5/site-packages/django/template/__init__.py", line 687, in resolve
value = self._resolve_lookup(context)
File "/Library/Python/2.5/site-packages/django/template/__init__.py", line 722, in _resolve_lookup
current = current()
File "/Library/Python/2.5/site-packages/django/contrib/admin/helpers.py", line 81, in errors
return mark_safe(u'\n'.join([self.form[f].errors.as_ul() for f in self.fields]).strip('\n'))
File "/Library/Python/2.5/site-packages/django/forms/forms.py", line 105, in __getitem__
raise KeyError('Key %r not found in Form' % name)
KeyError: "Key 'name' not found in Form"
在管理员区域中,我使用Grapelli主题。也许这与问题有关?