On Sep 13, 5:48 pm, Jon Clements <jon...@googlemail.com> wrote: > On 13 Sep, 15:19, Bahadir <bilgehan.bal...@gmail.com> wrote: > > > > > Hi, > > > I have a class: > > > class second: > > a = None > > b = None > > > class first: > > array = [] > > > I populate the array in first class with instances of second, then > > save by: > > > shelve = shelve.open(), > > shelve["first"] = myfirst > > shelve.close() > > > When I reopen the shelve from another script, the first class is > > there, but array has no elements. If I reopen the shelve in the same > > script right after shelve.close(), the elements are there. > > > Also there are no errors printed out. > > > Any idea why the array of instances are lost? > > > Thanks, > > > Bahadir > > You most likely want 'array' to be an instance level and not class > level attribute. > > class first(object): > def __init__(self): > self.array = [] > > myfirst = first() > myfirst.array.append(23423) > > etc... > > hth, > Jon.
Hmm, OK. New to python. Got it. Thanks a lot! Bahadir -- http://mail.python.org/mailman/listinfo/python-list