Use the new optional argument to endRequest in the middleware
Currently endRequest is called twice on an exception if Django
intercepts the exception and returns it's own result. By setting
optional=True we do not crash on 'assert self.in_request'.
from django import forms
from django.contrib import admin
from django.contrib.flatpages.models import FlatPage
from django.utils.translation import ugettext_lazy as _
class FlatpageForm(forms.ModelForm):
url = forms.RegexField(label=_("URL"), max_length=100, regex=r'^[-\w/]+$',
help_text = _("Example: '/about/contact/'. Make sure to have leading"
" and trailing slashes."),
error_message = _("This value must contain only letters, numbers,"
" underscores, dashes or slashes."))
class Meta:
model = FlatPage
class FlatPageAdmin(admin.ModelAdmin):
form = FlatpageForm
fieldsets = (
(None, {'fields': ('url', 'title', 'content', 'sites')}),
(_('Advanced options'), {'classes': ('collapse',), 'fields': ('enable_comments', 'registration_required', 'template_name')}),
)
list_display = ('url', 'title')
list_filter = ('sites', 'enable_comments', 'registration_required')
search_fields = ('url', 'title')
admin.site.register(FlatPage, FlatPageAdmin)