[Python-3000] tp_bytes and __bytes__ magic method

Victor Stinner victor.stinner at haypocalc.com
Thu Aug 9 00:49:30 CEST 2007


On Thursday 09 August 2007 00:22:51 Christian Heimes wrote:
> Hey Pythonistas!
>> Victor Stinner just made a good point at #python. The py3k has no magic
> method and type slot for bytes.

And another problem: mix of __str__ and __unicode__ methods.
class A:
 def __str__(self): return '__str__'
class B:
 def __str__(self): return '__str__'
 def __unicode__(self): return '__unicode__'
print (repr(str( A() ))) # display '__str__'
print (repr(str( B() ))) # display '__unicode__'
Proposition:
 __str__() -> str (2.x) becomes __bytes__() -> bytes (3000)
 __unicode__() -> unicode (2.x) becomes __str__() -> str (3000)
Victor Stinner aka haypo


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