我看到很多關於django驗證器沒有給出正確響應的問題,但我有一個不同的問題。儘管從Django文檔示例複製,我甚至不會觸發。下面是我有:Django表單驗證沒有被觸發
models.py
def content_file_name(instance, filename):
ext = ''.join(filename.split())[:-4]
foldername = "%s/%s" % (uuid.uuid4(), ext)
return '/'.join(['documents', str(foldername), filename])
class Document(models.Model):
docfile = models.ImageField(upload_to=content_file_name)
class DocumentImage(models.Model):
imagefile = models.ImageField(upload_to=content_file_name)
image = models.ForeignKey(Document, related_name='Image', null=True, on_delete=models.CASCADE)
views.py
def documentlist(request):
# Handle file upload
if request.method == 'POST':
form = DocumentForm(request.POST, request.FILES)
if form.is_valid():
newdoc = form.save()
newdoc.create_documentfiles()
messages.add_message(request, messages.INFO, "Saved")
return HttpResponseRedirect(reverse('list'))
else:
form = DocumentForm() # A empty, unbound form
# Load documents for the list page
documents = Document.objects.all()
# Render list page with the documents and the form
return render(
request,
'list.html',
{'documents': documents, 'form': form}
)
forms.py
class DocumentForm(forms.ModelForm):
class Meta:
model = Document
fields = ('docfile',)
def clean_image(self):
file = self.cleaned_data.get('docfile')
if file:
if imghdr.what(file.read()) != "gif":
raise forms.ValidationError("Please upload a .gif file")
print('complete');
file.seek(0)
return file
我甚至嘗試設置forms.py這樣的:
def clean_image(self):
print('test')
raise forms.ValidationError("Please upload a .gif file")
我仍然得到既不ValidationError
也不test
打印控制檯。有沒有人遇到過這樣的問題?
哦,不知道他們有相關性。非常感謝! –