Torsten Landschoff, 23.04.2013 10:06:
> On 04/23/2013 08:01 AM, Stefan Behnel wrote:
>> Greg Ewing, 23.04.2013 01:16:
>>> Only if subclassing of Slot and Context are forbidden.
>> Right. Subtypes of a non-GC type can happily add attributes and start
>> supporting cyclic garbage collection, including Python subclasses. So this
>> only applies to "final" types and builtins. Not entirely uncommon,
>> especially in the "keep this private thing alive until all referrers have
>> died" use case, but I's say this restriction drops the priority a bit.
>>
> Does Cython have an equivalent of the "final class DoNoExtend { ... }"
> of the Java world?
@cython.final
cdef class ExtType:
...
You can also declare a class @cython.internal to prevent it from showing up
in the module dict.
Stefan
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