[Cython] libcpp.string operators

[Stefan Behnel]

Brent Pedersen, 20.04.2011 18:29:
> On Wed, Apr 20, 2011 at 9:58 AM, Stefan Behnel wrote:
>> Lisandro Dalcin, 20.04.2011 16:09:
>>>>> On Tue, Apr 19, 2011 at 2:45 PM, Brent Pedersen wrote:
>>>>>>
>>>>>> hi, i have been using a stub for the c++<string>    in a lot of my work.
>>>>>> i decided to have a go at doing a proper string.pxd, pasted here:
>>>>>>
>>>>>> https://gist.github.com/929604
>>>>>>
>>> Looks pretty good. Could you fork the devel repo, add the pxd and the
>>> test at appropriate places  and make a pull request? This is just in
>>> order to give you credits for your work.
>>
>> Looks like this wasn't tested with Python 3, there are 16 failing tests more
>> now.
>>
>> https://sage.math.washington.edu:8091/hudson/job/cython-devel-tests-py3k-cpp/952/
>>
> is the solution to prefix the string literals with 'b'? e.g.
>
>      >>>  test_indexing(b"asdf")
>
> or something else? that passes in python 2.6, 2.7 and 3.2 for me.

... but not in Py2.3-2.5. No, you need to either use byte strings created 
in Cython code, or use a hack that works on both Py2 and Py3, such as 
'xyz'.encode('ASCII').

Stefan