fs.models:
class Topic(models.Model):
def __init__(self, *args, **kwargs):
super(Topic, self).__init__(*args, **kwargs)
self.attrs = Dict(self)
...
users.models:
User.add_to_class('full_name', models.CharField(max_length=200, null=True, blank=True))
User.add_to_class('title', models.CharField(max_length=255, null=True, blank=True, help_text=_("The preferred title for ~/, like the title for youtube channel")))
def _add_attrs_and_methods(sender, instance, signal, *args, **kwargs):
from users.models import PersonalMessage
import types
instance.attrs = Dict(instance)
def can_change(self, post):
if self == post.author:
return True
return False
instance.can_change = types.MethodType(can_change, instance, instance.__class__)
dispatcher.connect(_add_attrs_and_methods, sender=User, signal=signals.post_init)
traceback:
In [1]: from users.models import *
In [2]: from fs.models import *
In [3]: u = User.objects.all()[0]
In [4]: len(Topic.objects.filter(author=u))
Out[4]: 2101
In [5]: Topic.objects.filter(author=u).count()
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
/home/grey/src/df/<ipython console>
/usr/lib/python2.4/site-packages/django/db/models/query.py in count(self)
182 return len(self._result_cache)
183
--> 184 return self.query.get_count()
185
186 def get(self, *args, **kwargs):
/usr/lib/python2.4/site-packages/django/db/models/sql/query.py in get_count(self)
209 """
210 from subqueries import CountQuery
--> 211 obj = self.clone()
212 obj.clear_ordering(True)
213 obj.clear_limits()
/usr/lib/python2.4/site-packages/django/db/models/sql/query.py in clone(self, klass, **kwargs)
167 obj.select = self.select[:]
168 obj.tables = self.tables[:]
--> 169 obj.where = deepcopy(self.where)
170 obj.where_class = self.where_class
171 obj.group_by = self.group_by[:]
/usr/lib/python2.4/copy.py in deepcopy(x, memo, _nil)
183 copier = _getspecial(cls, "__deepcopy__")
184 if copier:
--> 185 y = copier(x, memo)
186 else:
187 reductor = dispatch_table.get(cls)
/usr/lib/python2.4/site-packages/django/utils/tree.py in __deepcopy__(self, memodict)
43 obj = Node(connector=self.connector, negated=self.negated)
44 obj.__class__ = self.__class__
---> 45 obj.children = deepcopy(self.children, memodict)
46 obj.subtree_parents = deepcopy(self.subtree_parents, memodict)
47 return obj
/usr/lib/python2.4/copy.py in deepcopy(x, memo, _nil)
172 copier = _deepcopy_dispatch.get(cls)
173 if copier:
--> 174 y = copier(x, memo)
175 else:
176 try:
/usr/lib/python2.4/copy.py in _deepcopy_list(x, memo)
239 memo[id(x)] = y
240 for a in x:
--> 241 y.append(deepcopy(a, memo))
242 return y
243 d[types.ListType] = _deepcopy_list
/usr/lib/python2.4/copy.py in deepcopy(x, memo, _nil)
172 copier = _deepcopy_dispatch.get(cls)
173 if copier:
--> 174 y = copier(x, memo)
175 else:
176 try:
/usr/lib/python2.4/copy.py in _deepcopy_tuple(x, memo)
246 y = []
247 for a in x:
--> 248 y.append(deepcopy(a, memo))
249 d = id(x)
250 try:
/usr/lib/python2.4/copy.py in deepcopy(x, memo, _nil)
202 raise Error(
203 "un(deep)copyable object of type %s" % cls)
--> 204 y = _reconstruct(x, rv, 1, memo)
205
206 memo[d] = y
/usr/lib/python2.4/copy.py in _reconstruct(x, info, deep, memo)
349 if state:
350 if deep:
--> 351 state = deepcopy(state, memo)
352 if hasattr(y, '__setstate__'):
353 y.__setstate__(state)
/usr/lib/python2.4/copy.py in deepcopy(x, memo, _nil)
172 copier = _deepcopy_dispatch.get(cls)
173 if copier:
--> 174 y = copier(x, memo)
175 else:
176 try:
/usr/lib/python2.4/copy.py in _deepcopy_dict(x, memo)
266 memo[id(x)] = y
267 for key, value in x.iteritems():
--> 268 y[deepcopy(key, memo)] = deepcopy(value, memo)
269 return y
270 d[types.DictionaryType] = _deepcopy_dict
/usr/lib/python2.4/copy.py in deepcopy(x, memo, _nil)
202 raise Error(
203 "un(deep)copyable object of type %s" % cls)
--> 204 y = _reconstruct(x, rv, 1, memo)
205
206 memo[d] = y
/usr/lib/python2.4/copy.py in _reconstruct(x, info, deep, memo)
334 if deep:
335 args = deepcopy(args, memo)
--> 336 y = callable(*args)
337 memo[id(x)] = y
338 if listiter is not None:
/usr/lib/python2.4/copy_reg.py in __newobj__(cls, *args)
90
91 def __newobj__(cls, *args):
---> 92 return cls.__new__(cls, *args)
93
94 def _slotnames(cls):
TypeError: instancemethod expected at least 2 arguments, got 0
