def form_valid(self, form):
"""
Store new flatpage from form data.
Additionally, if URL is left blank, a slugified
version of the title will be used as URL after checking
if it is valid.
从表单数据存储新的flatpage。 此外，如果URL留空，则在检查
标题是否有效后，将使用标题的嵌入版本作为URL。
"""
# if no URL is specified, generate from title
# 如果未指定URL，则从title生成
page = form.save(commit=False)
if not page.url:
page.url = '/%s/' % slugify(page.title)
try:
URLDoesNotExistValidator()(page.url)
except ValidationError:
pass
else:
return super().form_valid(form)
ctx = self.get_context_data()
ctx['form'] = form
return self.render_to_response(ctx)
def form_valid(self, form):
"""
Store new flatpage from form data. Checks wether a site
is specified for the flatpage or sets the current site by
default. Additionally, if URL is left blank, a slugified
version of the title will be used as URL after checking
if it is valid.
"""
# if no URL is specified, generate from title
page = form.save(commit=False)
if not page.url:
page.url = '/%s/' % slugify(page.title)
try:
URLDoesNotExistValidator()(page.url)
except ValidationError:
pass
else:
# use current site as default for new page
page.save()
page.sites.add(Site.objects.get_current())
return HttpResponseRedirect(self.get_success_url(page))
ctx = self.get_context_data()
ctx['form'] = form
return self.render_to_response(ctx)
def test_validate_url_does_not_exist(self):
validator = URLDoesNotExistValidator()
self.assertRaises(ValidationError, validator, '/')
try:
validator('/invalid/')
except ValidationError:
self.fail('URLDoesNotExistValidator raised ValidationError'
'unexpectedly!')
FlatPage(title='test page', url='/test/page/').save()
self.assertRaises(ValidationError, validator, '/test/page/')
def clean_url(self):
"""
Validate the input for field *url* checking if the specified
URL already exists. If it is an actual update and the URL has
not been changed, validation will be skipped.
Returns cleaned URL or raises an exception.
"""
if 'url' in self.changed_data:
if not self.cleaned_data['url'].endswith('/'):
self.cleaned_data['url'] += '/'
URLDoesNotExistValidator()(self.cleaned_data['url'])
return self.cleaned_data['url']
def clean_url(self):
"""
Validate the input for field *url* checking if the specified
URL already exists. If it is an actual update and the URL has
not been changed, validation will be skipped.
Returns cleaned URL or raises an exception.
验证字段* url *的输入，检查指定的URL是否已存在。 如果是实际更新且
URL尚未更改，则将跳过验证。
返回已清理的URL或引发异常。
"""
url = self.cleaned_data['url']
if 'url' in self.changed_data:
if not url.endswith('/'):
url += '/'
URLDoesNotExistValidator()(url)
return url
def form_valid(self, form):
"""
Store new flatpage from form data.
Additionally, if URL is left blank, a slugified
version of the title will be used as URL after checking
if it is valid.
"""
# if no URL is specified, generate from title
page = form.save(commit=False)
if not page.url:
page.url = '/%s/' % slugify(page.title)
try:
URLDoesNotExistValidator()(page.url)
except ValidationError:
pass
else:
return super(PageCreateView, self).form_valid(form)
ctx = self.get_context_data()
ctx['form'] = form
return self.render_to_response(ctx)
def setUp(self):
self.validator = URLDoesNotExistValidator()
