[Python-3000] Fwd: Beta 3 planned for this Wednesday (OT: Beta 3 planned for this Wednesday)

[Gregory P. Smith]

issue 3797 created with trivial patches for the remaining bytearray
returning abusers.  review needed.

I don't have a build environment for windows to test the PC/winreg one
on but its too simple to be wrong.

On Fri, Sep 5, 2008 at 10:37 AM, Guido van Rossum <guido at python.org> wrote:
> This needs to be fixed. It is surely a relic from the alpha1 situation
> where the bytes type was mutable. No read APIs should return mutable
> bytes. Write APIs should accept mutable and immutable bytes though.
>
> On Fri, Sep 5, 2008 at 12:17 AM, Gregory P. Smith <greg at krypto.org> wrote:
>> Anyone have an opinion on http://bugs.python.org/issue3492 in regards
>> to it being a release blocker?
>>
>> The gist of it:  zlib returns bytearrays where other modules return
>> bytes.  zipimport, because it uses zlib, required bytearrays instead
>> of bytes as input.  A few other modules also appear to return
>> bytearrays when they're likely better off returning bytes for
>> consistency.
>>
>> IMHO, it seems like bytearrays should rarely be returned by the
>> existing standard library apis.  Since they are mutable they are
>> ideally suited for new APIs where they're passed in and modified.
>>
>> Whats the big deal if this is not fixed before release?  Users are
>> likely to get frustrated at inputs not being hashable without explicit
>> (data copy) conversion to an immutable type.  And any code that gets
>> written depending on these returning bytearrays instead of bytes would
>> need fixing if we waited until 3.1 to fix it.
>>
>> -gps
>>
>> On Wed, Sep 3, 2008 at 10:42 PM, Anand Balachandran Pillai
>> <abpillai at gmail.com> wrote:
>>> On Thu, Sep 4, 2008 at 10:47 AM, Gregory P. Smith <greg at krypto.org> wrote:
>>>> I agree that this should go in.  zlib should return bytes.  other read
>>>> functions and similar modules like bz2module already return bytes.
>>>> unless i hear objections, i'll commit this in about 12 hours.
>>>
>>> +1  :)
>>>
>>>>
>>>
>>> Regards
>>>
>>> --
>>> -Anand
>>>
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>
>
>
> --
> --Guido van Rossum (home page: http://www.python.org/~guido/)
>