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Cython 0.17 beta 4 released - final release candidate
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Stefan Behnel  
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 More options Aug 30 2012, 5:22 am
From: Stefan Behnel <stefan...@behnel.de>
Date: Thu, 30 Aug 2012 11:22:19 +0200
Local: Thurs, Aug 30 2012 5:22 am
Subject: Cython 0.17 beta 4 released - final release candidate
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Hello everyone,

on behalf of the Cython project team, I'm proud to announce the release of
our fourth beta of Cython 0.17. Unless something truly unforseen happens,
this will become our final release. So please give it another test run
against your code.

Cython 0.17 is another major step forward in the development of the
language that will make life easier for a lot of users, rounds up some
rough edges of the compiler and adds (preliminary) support for CPython 3.3
and PyPy.

Download: http://cython.org/release/Cython-0.17b4.tar.gz

Release notes: http://wiki.cython.org/ReleaseNotes-0.17

Documentation: http://docs.cython.org/

Major features of this release include:

* vastly improved integration with the C++ STL containers

  http://docs.cython.org/src/userguide/wrapping_CPlusPlus.html#standard...

  http://docs.cython.org/src/tutorial/strings.html#c-strings

* "yield from" delegation between generators (PEP 380)

  http://www.python.org/dev/peps/pep-0380/

* alpha quality support for PyPy (via cpyext)

  http://docs.cython.org/src/userguide/pypy.html

Several other features and improvements are listed in the release notes:

  http://wiki.cython.org/ReleaseNotes-0.17

Have fun,

Stefan


 
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Czarek Tomczak  
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 More options Aug 30 2012, 9:35 am
From: Czarek Tomczak <czarek.tomc...@gmail.com>
Date: Thu, 30 Aug 2012 06:35:40 -0700 (PDT)
Local: Thurs, Aug 30 2012 9:35 am
Subject: Re: Cython 0.17 beta 4 released - final release candidate
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Still getting error when compiling using Python 3.2, seems like a typo in
path to python.lib file, I've reported it earlier for the beta 3 release:
https://groups.google.com/forum/?fromgroups=#!topic/cython-users/Tute...

C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN\link.exe /DLL /nologo

> /INCREMENTAL:NO /LIBPATH:./ "/LIBPATH:c:/Progr
> am Files/Microsoft SDKs/Windows/v7.1/Lib/" /LIBPATH:./../httpauth/Release/
> /LIBPATH:./../v8functionhandler/Release/ /LIB
> PATH:./../clienthandler/Release/ /LIBPATH:d:\python32\libs
> /LIBPATH:d:\python32\PCbuild libcef.lib libcef_dll_wrapper.li
> b User32.lib httpauth.lib v8functionhandler.lib clienthandler.lib
> /EXPORT:PyInit_cefpython build\temp.win32-3.2\Release\
> cefpython.obj /OUT:D:\cefpython\src\setup\cefpython.pyd
> /IMPLIB:build\temp.win32-3.2\Release\cefpython.lib /MANIFESTFILE
> :build\temp.win32-3.2\Release\cefpython.pyd.manifest /NODEFAULTLIB:libcmt
> /NODEFAULTLIB:msvcprt /ignore:4217
> *LINK : fatal error LNK1104: cannot open file 'python27.lib'*

Cheers,
Czarek.

 
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Stefan Behnel  
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 More options Aug 30 2012, 9:41 am
From: Stefan Behnel <stefan...@behnel.de>
Date: Thu, 30 Aug 2012 15:41:52 +0200
Local: Thurs, Aug 30 2012 9:41 am
Subject: Re: [cython-users] Re: Cython 0.17 beta 4 released - final release candidate
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Czarek Tomczak, 30.08.2012 15:35:

Ah, ok, I had assumed that this was a bug in your setup.py (or an otherwise
broken build configuration on your side).

Is the setup.py file available somewhere?

Stefan


 
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Czarek Tomczak  
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 More options Aug 30 2012, 10:00 am
From: Czarek Tomczak <czarek.tomc...@gmail.com>
Date: Thu, 30 Aug 2012 07:00:25 -0700 (PDT)
Local: Thurs, Aug 30 2012 10:00 am
Subject: Re: [cython-users] Re: Cython 0.17 beta 4 released - final release candidate
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It is cefpython project I'm compiling, setup.py is here:

http://code.google.com/p/cefpython/source/browse/setup/setup.py

It worked fine using Cython 0.16 & Python 3.2 so I don't think this is a
bug in my setup.

Czarek.

Ah, ok, I had assumed that this was a bug in your setup.py (or an otherwise


 
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Czarek Tomczak  
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 More options Aug 30 2012, 10:13 am
From: Czarek Tomczak <czarek.tomc...@gmail.com>
Date: Thu, 30 Aug 2012 07:13:04 -0700 (PDT)
Local: Thurs, Aug 30 2012 10:13 am
Subject: Re: [cython-users] Re: Cython 0.17 beta 4 released - final release candidate
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Okay, don't bother this is most probably bug in clienthandler.lib that I'm
including, as I've just found "python27" references inside that .lib file:

> /DEFAULTLIB:"python27.lib"

And some others.

Czarek.


 
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Czarek Tomczak  
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 More options Aug 30 2012, 11:28 am
From: Czarek Tomczak <czarek.tomc...@gmail.com>
Date: Thu, 30 Aug 2012 08:28:31 -0700 (PDT)
Local: Thurs, Aug 30 2012 11:28 am
Subject: Re: Cython 0.17 beta 4 released - final release candidate
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This time I have a real bug, read on..

I've created a separate VS project for my clienthandler.cpp so that it now
creates 2 different libs - one for Python 2.7 and the other for Python 3.2,
and I've come into the same problem I've reported earlier for the beta 3
release:

https://groups.google.com/d/msg/cython-users/Tutevv3cSVc/fOuoGm1DZAIJ

> d:\cefpython\src\setup/cefpython.h(15) : error C3646:
> 'RequestHandler_OnBeforeBrowse' : unknown override specifier
> d:\cefpython\src\setup/cefpython.h(15) : error C2091: function returns
> function
> d:\cefpython\src\setup/cefpython.h(15) : error C4430: missing type
> specifier - int assumed. Note: C++ does not support default-int

These errors happen when you include "modulename.h" - the file that is
generated by Cython, for functions that have "public" declaration.

Functions in this file are declared this way:

__PYX_EXTERN_C DL_IMPORT(bool)

> RequestHandler_OnBeforeBrowse(CefRefPtr<CefBrowser>, CefRefPtr<CefFrame>,
> CefRefPtr<CefRequest>, enum cef_handler_navtype_t, bool);

These errors about "unknown override specifier" are happening because:

*DL_IMPORT is not defined in Python 3.2 sources.*

In Python 2.7 in Python.h you have:

#ifndef DL_IMPORT /* declarations for DLL import/export */

> #define DL_IMPORT(RTYPE) RTYPE
> #endif
> #ifndef DL_EXPORT /* declarations for DLL import/export */
> #define DL_EXPORT(RTYPE) RTYPE
> #endif

But in Python 3.2 there are no such defines.

The solution would be to add the definitions above to the "modulename.h".

Cheers,
Czarek


 
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