one-time factory in python for an experienced java guy

Paul Rubin http
Tue Jul 14 10:33:26 EDT 2009

Stefan Behnel <stefan_ml at> writes:

> phonky wrote:
> > class Account(object):
> >     def __init__(self, holder):
> >             self.__accountnumber = self.__generate_account_number()
> > 
> > Now, I do not know yet how the account number scheme looks like.
> > For now, I just want to have an incremental number; later,
> > when going to production, we'll need the proper one.
> Use a global variable in the module.

Yuch!  Don't use a global.  Try something like:

    import itertools

    class Account(object):
       def __init__(self, holder, gen=itertools.count()):
          self.__accountnumber =

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