[Cython] 0.16 release

[mark florisson]

On 27 March 2012 12:58, Stefan Behnel <stefan_ml at behnel.de> wrote:
> mark florisson, 27.03.2012 13:20:
>> I tested the release in my own branch and jenkins was blue, but
>> the release build seems to disagree.
>
> The release (and master) branch is tested against the "-ext" builds of
> CPython, which have some external packages installed, including NumPy. You
> have to change the config of your "tests" job to use those instead of the
> plain CPython builds. The build job can stay as it is.
>
> As for the inner workings, there's a normal "pyXY-hg" job to build CPython
> and a corresponding "pyXY-ext-hg" job that takes the build and installs a
> list of packages into it, then creates a new install archive. You can then
> reference either of the two archives in your build/test jobs by asking for
> a "pyXY" or "pyXY-ext" Python.
>
>
>> The py32 C++ build shows some refcount error:
>>
>> numpy_memoryview.cpp:16922: warning: ‘void
>> __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject*, Py_buffer*)’
>> defined but not used
>
> These are legitimate warnings that are worth fixing (at some point), I
> think. They seem to originate from the buffer implementation in numpy.pxd.
> Those sort-of-external special methods shouldn't lead to the generation of
> a Python wrapper function.
>
>
>> python: Modules/gcmodule.c:327: visit_decref: Assertion
>> `gc->gc.gc_refs != 0' failed.
>
> It's surprising that that only occurs in one out of four Py3 test
> configurations. Maybe there's something indeterministic in those tests?
>
>
>> and some of the other python 3 tests are also failing.
>
> Yep, some of them look really funny (complaining about getting exactly the
> expected output), others are the typical Py3 problems (e.g. printing bytes).
>
> Note that the reason the py3k tests are not impacted is that it does not
> have NumPy. So the tests would equally fail in all Py3 versions.
>
> Stefan
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The release build looks good now, I'm thinking of pushing a second and
final beta out there tomorrow. If anyone wants to get something in,
now is the time to raise voice.