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.
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