On Tue, Jun 19, 2012 at 2:29 PM, Malthe Borch <mbo...@gmail.com> wrote:
> On 19 June 2012 19:54, Claudiu Saftoiu <csaft...@gmail.com> wrote: > > That is, a function called whenever the object is loaded, that does all > the > > necessary backwards-compatibility > > work right there. It separates the backwards-compat code cleanly, and > also > > only updates the objects > > as-needed... though still a minor performance hit as it does the check > each > > time the object is loaded. > > > > Is there a way to do that last option? What's the best practice for this > > sort of thing, in general? > > You'll need to override ``__new__``. That's your hook. It's called > when the database instantiates the object. Note that this is always > true for Python. The ``__new__`` method is always called before an > object is instantiated. > Thanks, I wasn't aware. Seems to work - much appreciated! - Claudiu
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