[Cython] Cython 0.25 released

[Yury Selivanov]

Congrats on the release!

It seems though that it's slightly broken: 
https://github.com/cython/cython/issues/1496.


Yury

On 2016-10-25 4:34 PM, Robert Bradshaw wrote:
> I'm happy to announce the release of Cython 0.25 which has numerous
> new features and bug fixes. It is available at
> https://pypi.python.org/pypi/Cython
>
> We have also moved bug tracking from trac.cython.org to github issues.
> However, user support still remains at cython-users@, please refrain
> from filing issues until you have confirmed an actual bug.
>
> - Robert
>
>
> Features added
> --------------
>
> * def/cpdef methods of cdef classes benefit from Cython's internal function
>    implementation, which enables introspection and line profiling for them.
>    Implementation sponsored by Turbostream (www.turbostream-cfd.com).
>
> * The distutils extension ``Cython.Distutils.build_ext`` has now been updated
>    to use cythonize which properly handles dependencies.  The old extension can
>    still be found in ``Cython.Distutils.old_build_ext`` and is now deprecated.
>
> * Calls to Python functions are faster, following the recent "FastCall"
>    optimisations that Victor Stinner implemented for CPython 3.6.
>    See https://bugs.python.org/issue27128 and related issues.
>
> * The new METH_FASTCALL calling convention for PyCFunctions is supported
>    in CPython 3.6.  See https://bugs.python.org/issue27810
>
> * C++ classes can now have typedef members. STL containers updated with
>    value_type.
>
> * Support for bazel using a the pyx_library rule in //Tools:rules.bzl.
>
> * Initial support for using Cython modules in Pyston.  Patch by Daetalus.
>
> * Dynamic Python attributes are allowed on cdef classes if an attribute
>    ``cdef dict __dict__`` is declared in the class.  Patch by empyrical.
>
> * Cython implemented C++ classes can make direct calls to base class methods.
>    Patch by empyrical.
>
> * New directive ``cython.no_gc`` to fully disable GC for a cdef class.
>    Patch by Claudio Freire.
>
> * Buffer variables are no longer excluded from ``locals()``.
>    Patch by da-woods.
>
> * Building f-strings is faster, especially when formatting C integers.
>
> * for-loop iteration over "std::string".
>
> * ``libc/math.pxd`` provides ``e`` and ``pi`` as alias constants to simplify
>    usage as a drop-in replacement for Python's math module.
>
> * Speed up cython.inline().
>
> * Binary lshift operations with small constant Python integers are faster.
>
> * Some integer operations on Python long objects are faster in Python 2.7.
>
> * Support for the C++ ``typeid`` operator.
>
> Significant Bugs fixed
> ----------------------
>
> * Division of complex numbers avoids overflow by using Smith's method.
>
> * Some function signatures in ``libc.math`` and ``numpy.pxd`` were incorrect.
>    Patch by Michael Seifert.
>
> Other changes
> -------------
>
> * The "%%cython" IPython/jupyter magic now defaults to the language level of
>    the current jupyter kernel.  The language level can be set explicitly with
>    "%%cython -2" or "%%cython -3".
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