--> 964 self.__tmp_data = copy.deepcopy(self.__data) 965 /usr/local/python-2.5.1/lib/python2.5/copy.py in deepcopy(x, memo, _nil) 160 copier = _deepcopy_dispatch.get(cls) 161 if copier: --> 162 y = copier(x, memo) 163 else: 164 try: /usr/local/python-2.5.1/lib/python2.5/copy.py in _deepcopy_list(x, memo) 225 memo[id(x)] = y 226 for a in x: --> 227 y.append(deepcopy(a, memo)) 228 return y 229 d[list] = _deepcopy_list /usr/local/python-2.5.1/lib/python2.5/copy.py in deepcopy(x, memo, _nil) 187 raise Error( 188 "un(deep)copyable object of type %s" % cls) --> 189 y = _reconstruct(x, rv, 1, memo) 190 191 memo[d] = y /usr/local/python-2.5.1/lib/python2.5/copy.py in _reconstruct(x, info, deep, memo) 320 if deep: 321 args = deepcopy(args, memo) --> 322 y = callable(*args) 323 memo[id(x)] = y 324 if listiter is not None: /usr/local/python-2.5.1/lib/python2.5/copy_reg.py in __newobj__(cls, *args) 90 91 def __newobj__(cls, *args): ---> 92 return cls.__new__(cls, *args) 93 94 def _slotnames(cls): <type 'exceptions.TypeError'>: __new__() takes exactly 3 arguments (1 given)
----- Original Message ---- From: Chris Rebert <c...@rebertia.com> To: srinivasan srinivas <sri_anna...@yahoo.co.in> Cc: python-list@python.org Sent: Thursday, 8 January, 2009 1:56:27 PM Subject: Re: How to deepcopy a list of user defined lists? On Wed, Jan 7, 2009 at 11:59 PM, srinivasan srinivas <sri_anna...@yahoo.co.in> wrote: > Hi, > I have a class which is a subclass of builtin-type list. > > #------------------------------------------------------------------------------ > class clist(list): > def __new__(cls, values, ctor): > val = [] > for item in values: > item = ctor(item) > val.append(item) > > self = list.__new__(cls, val) > self.__values = val > self.__ctor = ctor > return self > #----------------------------------------------------------------------------------- > > I have a list of clists, say c1 = [clist1, clist2, clist3] > How do i deepcopy this list? I tried using copy.deepcopy() method. But i got > some errors. Please suggest me. And those errors are? Please include a full Traceback. Cheers, Chris -- Follow the path of the Iguana... http://rebertia.com Check out the all-new Messenger 9.0! Go to http://in.messenger.yahoo.com/ -- http://mail.python.org/mailman/listinfo/python-list
