Mailman 3 May 2013 - Twisted

[Twisted-Python] Buildbot downtime
by Tom Prince March 3, 2022

March 3, 2022

I am plannig to upgrade twisted's buildbot in the near future. In preperation for that, I am going to take down the production buildbot on Tuesday, June 26, around 1600 UTC[1]. During that time, the result of any builds done will be lost. Thus, I'd ask that people avoid committing to trunk during that time. I will send a reminder before I take down the buildbot both here, and on #twisted and #twisted-dev. Tom [1] http://timeanddate.com/worldclock/meetingtime.html?iso=20120626&p1=80&p2=22…

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[Twisted-Python] Twisted Python 0.7.0 Prerelease Testing
by Glyph Lefkowitz Aug. 5, 2021

Aug. 5, 2021

hi there, folks: I'd really like to release 0.7.0 but I would like it to be at least a little bit tested before I do so. Could those of you with CVS trees check everything out and see if it performs as advertised? Deeper bugs than that will have to wait for the next release, but I'd at least like to know if it works for someone other than me. Thanks. ______ __ __ _____ _ _ | ____ | \_/ |_____] |_____| |… [View More]

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by Tamika May 1, 2019

May 1, 2019

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[Twisted-Python] [ANN] txZMQ released
by Andrey Smirnov July 21, 2014

July 21, 2014

Hi! I would like to announce txZMQ, ZeroMQ bindings for Twisted. txZMQ is based on pyzmq and requires recent ØMQ version (>=2.1). txZMQ uses ØMQ APIs to get file descriptor that is used to signal pending actions from ØMQ library IO thread running in separate thread. txZMQ should be usable with any Twisted reactor. ØMQ is: * The socket library that acts as a concurrency framework. * Carries messages across inproc, IPC, TCP, and multicast. * Connect N-to-N via fanout, pubsub, pipeline,… [View More]

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[Twisted-Python] regarding xml elements
by Raj kumar Oct. 2, 2013

Oct. 2, 2013

Hi, I have an xml file in my application, I have created an element using Example goes like this......... document.createElement("abc") and i appeneded it by using append() method. But how i can reflect this change to my xml file? and one more thing is i want to create element with some other parameters.... like............. <abc m=" " n=" "> </abc> and i have m and n values as strings with me. can anybody help me to create this element and write it to the existing xml … [View More]

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[Twisted-Python] Twisted on PyPI
by Donald Stufft June 3, 2013

June 3, 2013

Hey there! Recently there has been a lot of work around packaging in Python. On my end of things I've been trying to clean up PyPI. Recently I've deployed a change that ensures that all *new* package names on PyPI conform to a strict set of rules. These rules are: - Must begin and end with an ASCII alphanumeric - Must contain only ASCII letters, digits, underscores, hyphens, and periods Now we are left with about 235 total projects out of ~31k who do not conform to these guidelines. … [View More]

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[Twisted-Python] OSX 10.8 buildslave
by Tom Prince June 2, 2013

June 2, 2013

Due to circumstances beyond our control, the machine that we have been using to host the OSX 10.8 buildslave is currently unavailable. As per policy[1], official support will be dropped for this platform before the next release, unless a replacement is found. Tom [1] https://twistedmatrix.com/trac/wiki/ContinuousIntegration/FixYourDamnBuildS…

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[Twisted-Python] Service downtime
by Tom Prince May 29, 2013

May 29, 2013

The twisted project has recently acquired a new server, and there will be some donwtime in the coming week, in order to migrate services to the new server. At some point Monday or Tuesday, there will be some downtime for mail and the mailing lists, as mail-service is migrated to the new machine. For those that have accounts on cube, your data will be copied to the new machine at this point. On Wednesday, at about 10 MDT (16 UTC), there will be downtime of all twisted services, as live data is … [View More]

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Re: [Twisted-Python] any progress for Ticket #6346, #6378?
by Alec Matusis May 29, 2013

May 29, 2013

Hi Gelin, > As I know there are two epoll implementations in twisted, one that from twisted itself and another one comes from standard library since py 2.6. I was slightly incorrect in my email: the combination where it happens infrequently is actually Twisted 10.2 with python 2.7.3 (not Twisted 10.1 as I wrote). How can I check whether twisted is using Pythons epoll or its own in this combination? And how can I switch between epoll implementations in my app? Alec From: Gelin Yan [… [View More]mailto:dynamicgl@gmail.com] Sent: Tuesday, May 28, 2013 6:42 PM To: Alec Matusis Subject: Re: [Twisted-Python] any progress for Ticket #6346, #6378? On Wed, May 29, 2013 at 8:31 AM, Alec Matusis <matusis(a)yahoo.com> wrote: > By reading these comments, It looks like recent version of twisted >may >suffer from this problem. So what version of twisted should I use? Do >I >need to keep using 10.1? This problem is very frequent on Linux with Python 2.7 / Twisted 12 combination (we had to quickly roll back- cannot operate with that combo). It never happened with Python 2.6 / Twisted 10 (as in years). It happens very infrequently with Python 2.7 / Twisted 10.1 (as 1x in weeks) Right now I have a server in this state on Python 2.7 / Twisted 10.1. It refuses 30% of new connections, spewing this error: 2013-05-28 17:28:25-0700 [twisted.internet.protocol.ServerFactory] Unhandled Error Traceback (most recent call last): File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/python/log.py", line 69, in callWithContext return context.call({ILogContext: newCtx}, func, *args, **kw) File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/python/context.py", line 59, in callWithContext return self.currentContext().callWithContext(ctx, func, *args, **kw) File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/python/context.py", line 37, in callWithContext return func(*args,**kw) File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/internet/epollreactor.py", line 217, in _doReadOrWrite why = selectable.doRead() --- <exception caught here> --- File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/internet/tcp.py", line 938, in doRead transport = self.transport(skt, protocol, addr, self, s, self.reactor) File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/internet/tcp.py", line 752, in __init__ self.startReading() File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/internet/abstract.py", line 365, in startReading self.reactor.addReader(self) File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/internet/epollreactor.py", line 100, in addReader self._add(reader, self._reads, self._writes, self._selectables, _epoll.IN, _epoll.OUT) File "/usr/local/encap/Python-2.7.3/lib/python2.7/site-packages/Twisted-10.2.0-py 2.7-linux-x86_64.egg/twisted/internet/epollreactor.py", line 88, in _add self._poller._control(cmd, fd, flags) File "_epoll.pyx", line 125, in _epoll.epoll._control exceptions.IOError: [Errno 2] No such file or directory If I restart the server, it will be stable for a couple of weeks, until some event triggers this problem again. We hope that this problem is fixed before we are really forced to migrate to newer Python, otherwise there's no real upgrade path for us using Twisted. From: twisted-python-bounces(a)twistedmatrix.com [mailto:twisted-python-bounces@twistedmatrix.com] On Behalf Of Gelin Yan Sent: Saturday, May 25, 2013 7:51 AM To: Twisted general discussion Subject: Re: [Twisted-Python] any progress for Ticket #6346, #6378? On Sat, May 25, 2013 at 3:22 AM, <exarkun(a)twistedmatrix.com> wrote: On 04:21 pm, dynamicgl(a)gmail.com wrote: >Hi All Hi Gelin, I don't have anything extra to add about the status of those two tickets (I think you meant #6373 rather than #6378, by the way) - which is exactly why I'm replying. Twisted development doesn't take place in secret. The issue tracker should always reflect the latest state of the development process. If an issue has had no comments and a branch no commits for a couple months, then it's almost certainly because no one has worked on the issue for a couple months. So you generally don't need to ask if there has been any progress, because progress will always be reflected in ticket history or in version control. > I am quite concerned about these two tickets due to recently I may >port >one of my systems to Ubuntu. Perhaps you can help out with the tickets, then! As hopefully you've noticed, one of them is currently up for review. This means a developer believes a fix for the problem has been created and is just waiting for someone else to look it over and agree that it should be applied to trunk. If this happens, then the fix will be available in the next release of Twisted, 13.1.0, which will probably happen in just a few weeks. For more details about how the review process works, please take a look at this wiki page: http://twistedmatrix.com/trac/wiki/ReviewProcess Jean-Paul > By reading these comments, It looks like recent version of twisted >may >suffer from this problem. So what version of twisted should I use? Do >I >need to keep using 10.1? > > I always use the latest version on windows. > >Regards > >gelin yan _______________________________________________ Twisted-Python mailing list Twisted-Python(a)twistedmatrix.com http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python Hi exarkun I noticed "review" tag has been removed for a while so does it imply this ticket is still pending? I am not quite familiar how epoll works on linux so my help probably can be neglected. I event can't sure how to reproduce this bug. By the way, Is it possible to use the "old" epoll implementation instead of the built in epoll from python with the latest version? It looks like this old one works quite well. Thanks Regards gelin yan Hi Alec Thanks for your info. As I know there are two epoll implementations in twisted, one that from twisted itself and another one comes from standard library since py 2.6. If I was correct, since 10.2, twisted has been used the standard epoll if applicable. I am curious which one did you use? Have you tried py 2.7 & epoll from twisted itself? Regards gelin yan [View Less]

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[Twisted-Python] any progress for Ticket #6346, #6378?
by Gelin Yan May 29, 2013

May 29, 2013

Hi All I am quite concerned about these two tickets due to recently I may port one of my systems to Ubuntu. By reading these comments, It looks like recent version of twisted may suffer from this problem. So what version of twisted should I use? Do I need to keep using 10.1? I always use the latest version on windows. Regards gelin yan

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