[PyQt] Using distutils / setuptools for SIP extensions?

Elvis Stansvik elvstone at gmail.com
Sat May 9 09:07:32 BST 2015

2015-05-09 10:03 GMT+02:00 Elvis Stansvik <elvstone at gmail.com>:

> 2015-05-09 6:43 GMT+02:00 V. Armando Sole <sole at esrf.fr>:
>> Hi,
>> On 09.05.2015 00:11, Elvis Stansvik wrote:
>>> Hi all,
>>> I'm considering using SIP for an upcoming project.
>>> ...
>>> If I want to use regular setuptools to build my extension ...
>> Since it is an upcoming project, have you considered using Cython?
>> Inheritance of C++ classes as Python classes is much better handled by sip
>> but, if you can minimize inheritance at the Python side, Cython offers what
>> you want.
> Yes, we're already using Cython in a couple of places to interface with
> vendor supplied driver blobs. For this project I was considering SIP
> though, since it has better support for generating bindings for Qt code

Sorry I misread you here and thought you were talking about CPython's
native extension API. We're not using Cython. The rest of what I said still
stands though :)


> I realize I should give a bit more background: We're using Crossbar [1], a
> WAMP [2] router, to tie together some application components written using
> Autobahn|Python [3]. A few of those application components are PyQt4
> applications, which means we have to use qtreactor [4] to let the Qt event
> loop drive the Twisted reactor which Autobahn uses. The project I'm talking
> about would be to, instead of using qtreactor to integrate Twisted's
> reactor with Qt's event loop, build a minimal WAMP client library on top of
> the Qt networking C++ classes, and then create Python bindings for this
> library. That's where SIP comes in. The reason we'd build this client
> library in C++ and then wrap it, and not Python directly, is that we're
> considering re-writing some of these GUI application components in C++, so
> we'd want a Qt C++ WAMP library as well.
> Hope that clears some things :)
> Elvis
> [1] http://crossbar.io/
> [2] http://wamp.ws/
> [3] http://autobahn.ws/python/
> [4] https://github.com/ghtdak/qtreactor
>> Best regards,
>> Armando
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