python - Django : SyntaxError 'unexpected EOF' while saving a Form

Question

我有一个设置页面，该页面具有用于处理两个不同模型的设置的两种形式。 Profile模型表单起作用。 Chef模型表格没有。表单正常失败，并且没有引发Django错误页面-因此在使用pdb时，我发现该表单无效，并且引发了语法错误。

对于该错误来自哪个 Realm ，我感到困惑。任何帮助将不胜感激。谢谢!

错误:

*** SyntaxError: SyntaxError('unexpected EOF while parsing', ('<string>', 0, 0, ''))

HTML

  {% if form.is_multipart %}
  <form enctype="multipart/form-data" method="post" action=".">{% csrf_token %}
  {% else %}
<h3>Profile Settings</h3>
  <form method="post" action=".">
  {% endif %}
    <dl>
      <dt>{{form.photo.label}}</dt>
      <dd>{{form.photo}}</dd>
      <dt>{{form.firstname.label}}</dt>
      <dd>{{form.firstname}}</dd>
      <dt>{{form.lastinitial.label}}</dt>
      <dd>{{form.lastinitial}}</dd>
    </dl>
    <button type="submit">Save</button>
</form>


<h3>Chef Settings</h3>
<form action="{% url edit_chef chef.id %}" method="post" accept-charset="utf-8">{% csrf_token %}
<dl>
    <dt>{{chefform.category.label}}</dt>
    <dd>{{chefform.category}}</dd>
    <dt>{{chefform.price.label}}</dt>
    <dd>{{chefform.price}}</dd>
    <dt>{{chefform.meal.label}}</dt>
    <dd>{{chefform.meal}}</dd>
    <dt>{{chefform.language.label}}</dt>
    <dd>{{chefform.language}}</dd>
    <dt>{{chefform.address.label}}</dt>
    <dd>{{chefform.address}}</dd>
    <dt>{{chefform.neighborhood.label}}</dt>
    <dd>{{chefform.neighborhood}}</dd>
    <dt>{{chefform.city.label}}</dt>
    <dd>{{chefform.city}}</dd>
    <dt>{{chefform.state.label}}</dt>
    <dd>{{chefform.state}}</dd>     
    <dt>{{chefform.menu.label}}<span id="rBann" class="minitext">1000</span></dt>
    <dd>{{chefform.menu}}</dd>
</dl>
<button type="submit">Save</button>
</form>

厨师表格

class ChefForm(forms.ModelForm):
  class Meta:
    model = Chef
    fields = ('category','meal','price','language','address','neighborhood','city','state', 'country', 'menu')

  category = forms.ChoiceField(
        label=_("Food style"),
        choices=([('Afghan','Afghan'),('African','African'),('American','American'),]),
                                  required=True)

  meal = forms.ModelMultipleChoiceField(
        label=_("What is your best meal?"),
        queryset=Meal.objects.all(),

                                  required=True)

  price = forms.IntegerField(
        label=_("Price per person"),
        widget=forms.TextInput(),
                                  required=True)

  language = forms.ModelMultipleChoiceField(
        label=_("Languages spoken"),
        queryset=Language.objects.all(),
                                  required=True)

  address = forms.CharField(
        label=_("Your Address"),
        widget=forms.TextInput(),
                                  required=True)

  neighborhood = forms.CharField(
        label=_("Your Neighborhood"),
        widget=forms.TextInput(),
                                  required=True)

  city = forms.CharField(
        label=_("Your City"),
        widget=forms.TextInput(),
                                  required=True)

  state = forms.CharField(
        label=_("Your state"),
        widget=forms.TextInput(),
                                  required=True)  

  country = forms.CharField(
        label=_("Your country"),
        widget=forms.TextInput(),
                                  required=True)                                

  menu = forms.CharField(
        label=_("What's unique about your cooking & home? Pets? Have a family or roommates?"),
        widget=forms.TextInput(),
                                  required=True)  

  def __init__(self, *args, **kwargs):
      super(ChefForm, self).__init__(*args, **kwargs)
      self.fields['price'].widget.attrs = {
        'placeholder':'10'}
      self.fields['menu'].widget.attrs = {
        'placeholder':'Tacos!'}

View :

@login_required
def edit_chef(request, chef_id, template_name="chef/newchef.html"):

  chef = get_object_or_404(Chef, id=chef_id)
  if request.user != chef.cook:
    return HttpResponseForbidden()
  if request.method == 'POST':
    import pdb; pdb.set_trace()
    chefform = ChefForm(request.POST, instance=chef)
    if chefform.is_valid():
      chefform.save()
      return HttpResponseRedirect('/users/%d/' % request.user.id)
  else:
      return HttpResponseRedirect('/users/%d/' % request.user.id)
  data = { "chef":chef,
    "chefform":chefform } 
  return render_to_response(template_name,
                            data,
                            context_instance=RequestContext(request))

要向此错误添加更多信息，我能够拉出此管道损坏的错误:

[29/Jan/2011 09:20:24] "POST /chef/1/edit/ HTTP/1.1" 200 104804
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/core/servers/basehttp.py", line 281, in run
    self.finish_response()
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/core/servers/basehttp.py", line 321, in finish_response
    self.write(data)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/core/servers/basehttp.py", line 400, in write
    self.send_headers()
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/core/servers/basehttp.py", line 464, in send_headers
    self.send_preamble()
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/core/servers/basehttp.py", line 382, in send_preamble
    'Date: %s\r\n' % http_date()
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/socket.py", line 322, in write
    self.flush()
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/socket.py", line 301, in flush
    self._sock.sendall(view[write_offset:write_offset+buffer_size])
error: [Errno 32] Broken pipe
----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 53340)
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/SocketServer.py", line 284, in _handle_request_noblock
    self.process_request(request, client_address)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/SocketServer.py", line 310, in process_request
    self.finish_request(request, client_address)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/SocketServer.py", line 323, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django/core/servers/basehttp.py", line 562, in __init__
    BaseHTTPRequestHandler.__init__(self, *args, **kwargs)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/SocketServer.py", line 641, in __init__
    self.finish()
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/SocketServer.py", line 694, in finish
    self.wfile.flush()
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/socket.py", line 301, in flush
    self._sock.sendall(view[write_offset:write_offset+buffer_size])
error: [Errno 32] Broken pipe
----------------------------------------
[29/Jan/2011 09:20:27] "GET /users/2/ HTTP/1.1" 200 114593

Answer 1

SyntaxError::SyntaxError来自Python解析器本身。我认为这与您的表单数据没有任何关系。

我会尝试在此代码上运行pylint，pyflakes或pep8 compliance，并查看其内容。

我怀疑解析您的一个Python文件(可能是上面显示的文件之一的某个部分)时发生错误，但不完全是您所拥有的文件。例如，一个流浪(或[或{字符在某处可能会导致这种问题，因为在调用前不执行Form代码。

ChefForm声明的“required = True”部分上的奇数缩进支持此猜测。由于某些问题，您的编辑器缩进不正确，可能超出了我们在此处看不到的“类ChefForm”的整个声明。