[Python-Dev] porting pycxx and pysvn to python 3.0 hit a problem

[Barry Scott]

On Oct 5, 2008, at 22:49, Terry Reedy wrote:

> Barry Scott wrote:
>
>> for key in [pysvn.wc_status_kind.added,
>>             pysvn.wc_status_kind.replaced,
>>             pysvn.wc_status_kind.unversioned]:
>>     print( '2 key', key, key in wc_status_kind_map, cmp( key,  
>> pysvn.wc_status_kind.unversioned ), hash( key ) )
>>     try:
>>         print( '2 lookup', wc_status_kind_map[ key ] )
>>     except:
>>         print( '2 failed' )
>
>> 2 key added False 1 -586300914
>> 2 failed
>> 2 key replaced False 1 -586300911
>> 2 failed
>> 2 key unversioned False 0 -586300916
>> 2 failed
>
> Given that p.we.x seems to always return the same object (since the  
> hashes, which which appear to be ids, are the same), an __eq__  
> method (which gets called in preference to __cmp__), possibly  
> inherited, that always return False is the only thing I can think  
> of.  (Hence Martin's question, I presume).  I have no idea,  
> however, how porting could make that happen.

The type is not derived so the __eq__ cannot be happening.

I guess I need to use gdb and figure out what is going on.

Barry