Subclassing by monkey-patching

Bruno Desthuilliers bruno.42.desthuilliers at websiteburo.invalid
Mon Sep 6 10:08:06 CEST 2010


Jason a écrit :
> On Sep 5, 3:53 pm, Peter Otten <__pete... at web.de> wrote:
>>>>> m = gio.File(".").monitor_directory()
>>>>> C = type(m)
> 
> 'C' will not necessarily be 'gio.FileMonitor' — I think the internals
> of the GIO methods might further "subclass" it in some way depending
> on what underlying monitors are available.
> 
>> A possible alternative may be a class that wraps a FileMonitor instead of
>> subclassing it.
> 
> I've been avoiding this because it involves a lot of boilerplate: the
> signals needs to be replicated and passed through, same for all
> GObject properties, same for the usual methods.

Python is not Java !-)
http://docs.python.org/reference/datamodel.html#object.__getattr__





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