Python Django属性错误：对象没有属性'；表格'；

我有一个中间模型的模型表单集，用于将用户分配到另一个模型。当我尝试生成视图时，我得到的“StaffAssignmentForm”对象没有属性“forms”

模型

形式

class AddStaff(forms.ModelForm):
    model = StaffAssignment
    fields = ('staff',)

    def __init__(self, *args, **kwargs):
        super(AddStaff, self).__init__(*args, **kwargs)
        for form in self.forms:
            for field in form.fields:
                form.fields[field].widget.attrs.update({'class': 'form-control'})

景色

def add_staff(request, study_slug):
    study = get_object_or_404(Study, slug=study_slug)
    staff_formset = modelformset_factory(StaffAssignment, form=AddStaff, fields=('staff',), extra=5)
    if request.method == 'POST':
        staffList = staff_formset(request.POST, request.FILES)
        if staffList.is_valid():
            for assignment in staffList:
                assigned = assignment.save(commit=False)
                assigned.study = study
                assigned.save()
            return HttpResponseRedirect(reverse('studies:studydashboard'))
        else:
            pass
    else:
        staffList = staff_formset(queryset=StaffAssignment.objects.none())
        return render(request, 'studies/addstaff.html', {'staffList': staffList, 'study': study})

追溯

Environment:


Request Method: GET
Request URL: http://127.0.0.1:8000/studies/add-staff/lilly-a4/

Django Version: 1.8.7
Python Version: 3.5.0
Installed Applications:
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'studies',
 'account')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'django.middleware.security.SecurityMiddleware')


Template error:
In template /Users/RickyD/PycharmProjects/StudyTrack/studies/templates/studies/addstaff.html, error at line 20
   'StaffAssignmentForm' object has no attribute 'forms'

   10 : {% block content %}
   11 :     <div class="row">
   12 :         <div class="col-md-8">
   13 :         <div class="box box-primary">
   14 :             <div class="box-header with-border">
   15 :                 <h3 class="box-title">Add new study </h3>
   16 :             </div>
   17 :             <form action="{% url 'studies:addstaff' study.slug %}" method="post" enctype="multipart/form-data">
   18 :                 {% csrf_token %}
   19 :                 <div class="box-body">
   20 :                      {{ staffList.as_p }} 
   21 :                 </div>
   22 :                 <div class="box-footer">
   23 :                     <button type="submit" class="btn btn-primary">Submit</button>
   24 :                 </div>
   25 :             </form>
   26 :         </div>
   27 :         </div>
   28 :     </div>
   29 : 
   30 :     <div class="col-md-4">

Traceback:
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/core/handlers/base.py" in get_response
  132.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/RickyD/PycharmProjects/StudyTrack/studies/views.py" in add_staff
  87.         return render(request, 'studies/addstaff.html', {'staffList': staffList, 'study': study})
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/shortcuts.py" in render
  67.             template_name, context, request=request, using=using)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/loader.py" in render_to_string
  99.         return template.render(context, request)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/backends/django.py" in render
  74.         return self.template.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in render
  210.                     return self._render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in _render
  202.         return self.nodelist.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in render
  905.                 bit = self.render_node(node, context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/debug.py" in render_node
  79.             return node.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/loader_tags.py" in render
  135.         return compiled_parent._render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in _render
  202.         return self.nodelist.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in render
  905.                 bit = self.render_node(node, context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/debug.py" in render_node
  79.             return node.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/loader_tags.py" in render
  65.                 result = block.nodelist.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in render
  905.                 bit = self.render_node(node, context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/debug.py" in render_node
  79.             return node.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/debug.py" in render
  89.             output = self.filter_expression.resolve(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in resolve
  648.                 obj = self.var.resolve(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in resolve
  789.             value = self._resolve_lookup(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in _resolve_lookup
  849.                             current = current()
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in as_p
  406.         forms = ' '.join(form.as_p() for form in self)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in __iter__
  73.         return iter(self.forms)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/utils/functional.py" in __get__
  59.         res = instance.__dict__[self.name] = self.func(instance)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in forms
  142.         forms = [self._construct_form(i) for i in range(self.total_form_count())]
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in <listcomp>
  142.         forms = [self._construct_form(i) for i in range(self.total_form_count())]
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/models.py" in _construct_form
  596.         return super(BaseModelFormSet, self)._construct_form(i, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in _construct_form
  167.         form = self.form(**defaults)
File "/Users/RickyD/PycharmProjects/StudyTrack/studies/forms.py" in __init__
  69.         for form in self.forms:

Exception Type: AttributeError at /studies/add-staff/lilly-a4/
Exception Value: 'StaffAssignmentForm' object has no attribute 'forms'

环境：
请求方法：获取
请求URL:http://127.0.0.1:8000/studies/add-工作人员/礼来a4/
Django版本：1.8.7
Python版本：3.5.0
已安装的应用程序：
（“django.contrib.admin”，
“django.contrib.auth”，
“django.contrib.contenttypes”，
“django.contrib.sessions”，
“django.contrib.messages”，
“django.contrib.staticfiles”，
"研究",，
"户口")
已安装的中间件：
（'django.contrib.sessions.middleware.SessionMiddleware'，
'django.middleware.common.CommonMiddleware'，
“django.middleware.csrf.CsrfViewMiddleware”，
'django.contrib.auth.middleware.AuthenticationMiddleware'，
'django.contrib.auth.middleware.SessionAuthenticationMiddleware'，
'django.contrib.messages.middleware.MessageMiddleware'，
'django.middleware.clickjacking.xFrameOptions中间件'，
'django.middleware.security.SecurityMiddleware'）
模板错误：
在template/Users/RickyD/PycharmProjects/StudyTrack/studies/templates/studies/addstaff.html中，第20行出现错误
“StaffAssignmentForm”对象没有属性“forms”
10:{%block content%}
11 :     
12 :         
13 :         
14 :             
15：添加新的研究
16 :             
17 :             
18:{%csrf_令牌%}
19 :                 
20:{staffList.as_p}
21 :                 
22 :                 
23：提交
24 :                 
25 :             
26 :         
27 :         
28 :     
29 : 
30 :     
回溯：
get_响应中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/core/handlers/base.py”
132响应=包装的回调（请求，*回调参数，**回调参数）
文件“/Users/RickyD/PycharmProjects/StudyTrack/studies/views.py”，位于add_staff中
87返回呈现（请求'studies/addstaff.html'，{'staffList'：staffList'，study'：study}）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/shortcuts.py”
67模板（名称、上下文、请求=请求、使用=使用）
render_to_字符串中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/loader.py”
99返回template.render（上下文、请求）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/backends/django.py”
74返回self.template.render（上下文）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/base.py”
210返回self.\u呈现（上下文）
文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/base.py”在_render中
202返回self.nodelist.render（上下文）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/base.py”
905bit=self.render_节点（节点，上下文）
render_节点中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/debug.py”
79返回node.render（上下文）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/loader_tags.py”
135返回编译的\u父对象。\u呈现（上下文）
文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/base.py”在_render中
202返回self.nodelist.render（上下文）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/base.py”
905bit=self.render_节点（节点，上下文）
render_节点中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/debug.py”
79返回node.render（上下文）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/loader_tags.py”
65结果=block.nodelist.render（上下文）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/base.py”
905bit=self.render_节点（节点，上下文）
render_节点中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/debug.py”
79返回node.render（上下文）
render中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/debug.py”
89输出=self.filter\u expression.resolve（上下文）
解析中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/base.py”
648obj=self.var.resolve（上下文）
解析中的文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/template/base.py”
789value=self.\u解析\u查找（上下文）
文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py”位于_-resolve_-lookup中
849电流=电流（）
文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/forms/formsets.py”，位于as\p
406forms=''.join（form.as_p（）表示self中的form）
文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/forms/formsets.py”位于__
73返回iter（自我表格）
文件“/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site packages/django/utils/functional.py”位于__
59res=instance.\uuuu dict\uuuu[self.name]
Environment:


Request Method: GET
Request URL: http://127.0.0.1:8000/studies/add-staff/lilly-a4/

Django Version: 1.8.7
Python Version: 3.5.0
Installed Applications:
('django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'studies',
 'account')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'django.middleware.security.SecurityMiddleware')


Template error:
In template /Users/RickyD/PycharmProjects/StudyTrack/studies/templates/studies/addstaff.html, error at line 20
   'StaffAssignmentForm' object has no attribute 'forms'

   10 : {% block content %}
   11 :     <div class="row">
   12 :         <div class="col-md-8">
   13 :         <div class="box box-primary">
   14 :             <div class="box-header with-border">
   15 :                 <h3 class="box-title">Add new study </h3>
   16 :             </div>
   17 :             <form action="{% url 'studies:addstaff' study.slug %}" method="post" enctype="multipart/form-data">
   18 :                 {% csrf_token %}
   19 :                 <div class="box-body">
   20 :                      {{ staffList.as_p }} 
   21 :                 </div>
   22 :                 <div class="box-footer">
   23 :                     <button type="submit" class="btn btn-primary">Submit</button>
   24 :                 </div>
   25 :             </form>
   26 :         </div>
   27 :         </div>
   28 :     </div>
   29 : 
   30 :     <div class="col-md-4">

Traceback:
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/core/handlers/base.py" in get_response
  132.                     response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/RickyD/PycharmProjects/StudyTrack/studies/views.py" in add_staff
  87.         return render(request, 'studies/addstaff.html', {'staffList': staffList, 'study': study})
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/shortcuts.py" in render
  67.             template_name, context, request=request, using=using)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/loader.py" in render_to_string
  99.         return template.render(context, request)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/backends/django.py" in render
  74.         return self.template.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in render
  210.                     return self._render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in _render
  202.         return self.nodelist.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in render
  905.                 bit = self.render_node(node, context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/debug.py" in render_node
  79.             return node.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/loader_tags.py" in render
  135.         return compiled_parent._render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in _render
  202.         return self.nodelist.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in render
  905.                 bit = self.render_node(node, context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/debug.py" in render_node
  79.             return node.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/loader_tags.py" in render
  65.                 result = block.nodelist.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in render
  905.                 bit = self.render_node(node, context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/debug.py" in render_node
  79.             return node.render(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/debug.py" in render
  89.             output = self.filter_expression.resolve(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in resolve
  648.                 obj = self.var.resolve(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in resolve
  789.             value = self._resolve_lookup(context)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/template/base.py" in _resolve_lookup
  849.                             current = current()
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in as_p
  406.         forms = ' '.join(form.as_p() for form in self)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in __iter__
  73.         return iter(self.forms)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/utils/functional.py" in __get__
  59.         res = instance.__dict__[self.name] = self.func(instance)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in forms
  142.         forms = [self._construct_form(i) for i in range(self.total_form_count())]
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in <listcomp>
  142.         forms = [self._construct_form(i) for i in range(self.total_form_count())]
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/models.py" in _construct_form
  596.         return super(BaseModelFormSet, self)._construct_form(i, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/3.5/lib/python3.5/site-packages/django/forms/formsets.py" in _construct_form
  167.         form = self.form(**defaults)
File "/Users/RickyD/PycharmProjects/StudyTrack/studies/forms.py" in __init__
  69.         for form in self.forms:

Exception Type: AttributeError at /studies/add-staff/lilly-a4/
Exception Value: 'StaffAssignmentForm' object has no attribute 'forms'

class AddStaff(forms.ModelForm):
    model = StaffAssignment
    fields = ('staff',)

    def __init__(self, *args, **kwargs):
        super(AddStaff, self).__init__(*args, **kwargs)
        #for form in self.forms:
        #for field in form.fields:
        for field in self.fields:
           self.fields[field].widget.attrs.update({'class': 'form-control'})