On Mon, Mar 4, 2013 at 11:06 AM, Amaury Forgeot d'Arc
<amaur...@gmail.com> wrote:
>
>
> 2013/3/4 Serhiy Storchaka <storch...@gmail.com>
>>
>> On 01.03.13 17:24, Stefan Bucur wrote:
>>>
>>> Before digging deeper into the issue, I wanted to ask here if there are
>>> any implicit assumptions about string identity and interning throughout
>>> the interpreter implementation. For instance, are two single-char
>>> strings having the same content supposed to be identical objects?
>>
>>
>> I think this is not a bug if the code relies on the fact that an empty
>> string is a singleton. This obviously is an immutable object and there is no
>> public method to create different empty string.
>
>
> Really?
>
>>>> x = u'\xe9'.encode('ascii', 'ignore')
>>>> x == '', x is ''
> (True, False)Code that relies on this is incorrect (the language doesn't guarantee interning) but nevertheless given the intention of the implementation, that behavior of encode() is also a bug. -- --Guido van Rossum (python.org/~guido) _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
