django admin methods

admin_methods.py

    def get_actions(self, request):
        actions = super(type(self), self).get_actions(request)
        if 'delete_selected' in actions:
            del actions['delete_selected']
        return actions

    def has_delete_permission(self, request, obj=None):
        return False
        
        
    def save_related(self, request, form, formsets, change):
        super(type(self), self).save_related(request, form, formsets, change)
        form.instance.save()