On Apr 17, 10:42 am, Peter Otten <__pete...@web.de> wrote: > Reckoner wrote: > > I have a large class that is a child of list. I need to pickle it, but > > it's not working. For example, I have reduced it to the following: > > > class Mylist(list): > > def __init__(self,x=[]): > > list.__init__(self,x) > > > and I cannot even get this to pickle right. > > >>> w=Mylist([1,2,3]) > >>> dumps(w) > > > PicklingError: Can't pickle <class '__main__.p'>: attribute lookup > > __main__.p fa > > iled > > > I'm using python 2.5 on win32. > > > any help appreciated. > > This error occurs when you try to pickle a class that cannot be found by its > name: > > >>> from cPickle import dumps > >>> class p: pass > ... > >>> a = p > >>> del p > >>> dumps(a) > > Traceback (most recent call last): > File "<stdin>", line 1, in <module> > cPickle.PicklingError: Can't pickle __main__.p: attribute lookup __main__.p > failed > > I don't see how this error could be triggered by the code you give above. > Please try it again in a fresh interpreter. > > Peter
sorry. here it is: PicklingError: Can't pickle <class '__main__.Mylist'>: attribute lookup __main__.Mylist failed -- http://mail.python.org/mailman/listinfo/python-list
