[pypy-dev] regex (new re) and 1.6

[Leonardo Santagada]

On Sat, Aug 20, 2011 at 4:51 AM, Maciej Fijalkowski <fijall at gmail.com> wrote:
> On Fri, Aug 19, 2011 at 10:07 PM, Serhat Sevki Dincer
> <jfcgauss at gmail.com> wrote:
>> http://pypi.python.org/pypi/regex installs nicely on pypy-1.6 on my
>> Ubuntu 11.04 i386 but
>>
>>>>>> from regex import sub
>> Traceback (most recent call last):
>>  File "<console>", line 1, in <module>
>>  File "/var/Home/serhat/Program/pypy-1.6/site-packages/regex.py",
>> line 343, in <module>
>>    from _regex_core import *
>>  File "/var/Home/serhat/Program/pypy-1.6/site-packages/_regex_core.py",
>> line 21, in <module>
>>    import _regex
>> ImportError: unable to load extension module
>> '/var/Home/serhat/Program/pypy-1.6/site-packages/_regex.pypy-16.so':
>> /var/Home/serhat/Program/pypy-1.6/site-packages/_regex.pypy-16.so:
>> undefined symbol: Py_UNICODE_TOTITLE
>>
>> I dont see any (in)compatibility info on
>> https://bitbucket.org/pypy/compatibility/wiki/regex.
>>
>> Also
>> pypy-1.6$ grep -r 'Py_UNICODE_TO' include/
>> include/pypy_decl.h:PyAPI_FUNC(wchar_t) Py_UNICODE_TOLOWER(wchar_t arg0);
>> include/pypy_decl.h:PyAPI_FUNC(wchar_t) Py_UNICODE_TOUPPER(wchar_t arg0);
>>
>> TOTITLE is missing?
>> http://docs.python.org/release/2.7.2/library/stdtypes.html#str.title
>> is working on (unicode) strings in pypy. I dont get it, what do u
>> think is up?
>
> yes, TOTITLE is not implemented in cpyext, the cpython C compatibility
> layer. Btw - what are you trying to achieve? If you want to compare
> regex performance on pypy and cpython, it'll probably be much slower
> on pypy. The C extensions layer is just a compatibility one (it's also
> in beta).

This new regex module seems very interesting, seems a little to
bloated and complex, but the one interesting feature is that it
releases the gil. Does the one in pypy 1.6 does that?


-- 
Leonardo Santagada