[Twisted-Python] Twisted on Jython

exarkun at twistedmatrix.com exarkun at twistedmatrix.com
Fri Mar 8 10:34:36 EST 2013


On 11:18 am, tobias.oberstein at tavendo.de wrote:
>Hi,
>
>we've been asked if Autobahn runs under Jython. Since there is an 
>upcoming Jython version that supports 2.7 Python API, I thought I'd 
>give it a try.
>
>To my astonishment, I was able to get Autobahn working with minor 
>efforts ...

That's very cool.  Can you file tickets in the issue tracker and attach 
patches there?  The mailing list is where diffs go to be forgotten.

Here's a start: http://twistedmatrix.com/trac/ticket/3413

Jean-Paul
>Tested: Twisted 12.3 under Jython from sources (together with 
>zope.interface 4.05 and setuptools from sources) after applying the 
>following patches. Stock AutobahnPython 0.6 from source.
>
>1) Missing __builtin__.buffer
>
>The following is a workaround due to http://bugs.jython.org/issue1521
>
>Include
>
># workaround for Jython, see: http://bugs.jython.org/issue1521
>import __builtin__
>if not hasattr(__builtin__, 'buffer'):
>    def _buffer(object, offset = None, size = None):
>       if offset is None:
>          offset = 0
>       if size is None:
>          size = len(object)
>       return object[offset:offset+size]
>    __builtin__.buffer = _buffer
>
>at the beginning of "twisted/python/compat.py".
>
>2) Weird platform ident
>
>Jython identifies itself as "Java" .. I was testing on Windows.
>
>twisted/python/runtime.py
>
>Line 36
>
>    #'java': 'java',
>    'java': 'win32',
>
>This is necessary on Windows since otherwise Posix API is assumed.
>
>Of course above is just a quick hack.
>
>C:\Users\oberstet>jython
>Jython 2.7b1 (default:ac42d59644e9, Feb 9 2013, 15:24:52)
>[Java HotSpot(TM) 64-Bit Server VM (Oracle Corporation)] on java1.7.0
>Type "help", "copyright", "credits" or "license" for more information.
>>>>import sys, os
>>>>sys.platform
>'java1.7.0'
>>>>os.name
>'java'
>
>IMHO, os.name should return the real underlying OS on Jython, not 
>"java" .. what do you think?
>
>===
>
>Where should those issue be adressed? Should Twisted include 
>workarounds or should I lobby at Jython to "do the right" thing?
>
>Cheers,
>Tobias
>
>
>Mit freundlichen Grüßen,
>
>Tobias Oberstein
>Geschäftsführer
>
>+49(0)9131 940 3574
>+49(0)176 23 752 055
>tobias.oberstein at tavendo.de<mailto:tobias.oberstein at tavendo.de>
>Skype: toberstein<skype:toberstein?call>
>Twitter: @oberstet<https://twitter.com/oberstet>
>Xing: Tobias Oberstein<https://www.xing.com/profile/Tobias_Oberstein>
>
>[cid:image003.png at 01CE1BF7.08C826D0]
>
>Tavendo GmbH · Am Weihersbach 13 · 91074 Herzogenaurach · Deutschland
>Office / Postanschrift : Waldstrasse 18 · 91054 Erlangen · Deutschland
>+49(+)700 GO TAVENDO · +49(0)700 46 828 36 36 · 
>www.tavendo.de<http://www.tavendo.de/>
>Amtsgericht Fürth · HRB 10365 · USt-Id.Nr DE246462916 · Geschäftsführer 
>Tobias Oberstein



More information about the Twisted-Python mailing list