from django.contrib.auth.models import Permission
from wagtailmodeladmin.helpers import PermissionHelper
class ReadOnlyPermissionHelper(PermissionHelper):
def has_add_permission(self, user):
return False
def has_list_permission(self, user):
try:
list_perm_codename = 'list_%s' % self.opts.model_name
perm = Permission.objects.get(
content_type__app_label=self.opts.app_label,
codename=list_perm_codename,
)
return user.has_perm(perm)
except Permission.DoesNotExist:
pass
return super(ReadOnlyPermissionHelper, self).has_list_permission(user)
