id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 11116,delete() triggers an error on proxy model instances,samuel.adam@…,nobody,"{{{ >>> from hit.vote.models import VoteProxy >>> inst = VoteProxy.objects.get(pk=2) >>> inst.delete() ------------------------------------------------------------ Traceback (most recent call last): File """", line 1, in File ""/home/sam/projects/djangotrunk-env/lib/python2.5/site-packages/django/db/models/base.py"", line 557, in delete self._collect_sub_objects(seen_objs) File ""/home/sam/projects/djangotrunk-env/lib/python2.5/site-packages/django/db/models/base.py"", line 544, in _collect_sub_objects parent_obj = getattr(self, link.name) AttributeError: 'NoneType' object has no attribute 'name' }}} The problem is in django/db/models/base.py http://code.djangoproject.com/browser/django/trunk/django/db/models/base.py#L151 {{{ #!python 151 elif not is_proxy: 152 attr_name = '%s_ptr' % base._meta.module_name 153 field = OneToOneField(base, name=attr_name, 154 auto_created=True, parent_link=True) 155 new_class.add_to_class(attr_name, field) 156 else: 157 field = None 158 new_class._meta.parents[base] = field }}} {{{ >>> inst._meta.parents {: None} }}} http://code.djangoproject.com/browser/django/trunk/django/db/models/base.py#L541 {{{ #!python 541 parent_stack = self._meta.parents.values() 542 while parent_stack: 543 link = parent_stack.pop() 544 parent_obj = getattr(self, link.name) }}} {{{ >>> inst._meta.parents.values() [None] }}}",,closed,"Database layer (models, ORM)",dev,,fixed,"proxy, model, delete",andy@…,Unreviewed,1,0,0,0,0,0