Mailman 3 November 2012 - Twisted

[Twisted-Python] Buildbot downtime
by Tom Prince 03 Mar '22

03 Mar '22

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 05 Aug '21

05 Aug '21

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. ______ __ __ _____ _ _ | ____ | \_/ |_____] |_____| |_____| |_____ | | | | @ t w i s t e d m a t r i x . c o m http://www.twistedmatrix.com/~glyph/

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[Twisted-Python] [ANN] txZMQ released
by Andrey Smirnov 21 Jul '14

21 Jul '14

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, request-reply. * Fast enough for clustered products and supercomputing. * Asynch I/O for scalable multicore message-passing apps. Bridging ØMQ and Twisted makes a nice match: fast simple messaging between Twisted instances solving complex problems :) Links: * PyPi: http://pypi.python.org/pypi/txZMQ/ * Source code: https://github.com/smira/pyzmq * pyzmq: http://pypi.python.org/pypi/pyzmq * ØMQ: http://www.zeromq.org/ -- Andrey Smirnov, Qik Web Team Lead

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[Twisted-Python] regarding xml elements
by Raj kumar 02 Oct '13

02 Oct '13

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 file as a child of an existing element? Thanks in advance.. Raj.. Forgot the famous last words? Access your message archive online at http://in.messenger.yahoo.com/webmessengerpromo.php

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[Twisted-Python] Get IP of connecting client in XMLRPC server
by Remy C. Cool 28 Apr '13

28 Apr '13

Hello, On 18 May 2004, the following message was posted to this mailinglist: Jp Calderone exarkun at divmod.com wrote: >Daniel Newton wrote: > > I have a simple XML-PRC server similar to the example below: > > from twisted.web import xmlrpc, server > > class Example(xmlrpc.XMLRPC): > """An example object to be published.""" > > def xmlrpc_add(self, a, b): > """Return sum of arguments.""" > return a + b def xmlrpc_whatIsMyAddress(self): return self.transport.getPeer().host > > if __name__ == '__main__': > from twisted.internet import reactor > r = Example() > reactor.listenTCP(7080, server.Site(r)) > reactor.run() > > I want to be able to get the address of the client that calls the xmlrpc > method can anyone help me with this? This solution didn't work because 'transport' isn't a property of the Example class. I'm currently in the process of changing from a customized SimpleXMLRPCServer to a twisted XMLRPC server solution and I need to insert the client IP into the attributes passed to the called xmlrpc method. Anyone who knows the answer and is willing to share the info? Regards, Remy

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[Twisted-Python] Download instructions for twisted and ActiveState Python
by Craig Rodrigues 06 Dec '12

06 Dec '12

Hi, At some of the Twisted Sprints in San Francisco, I found that on my Windows laptop, it was easy to set things up Twisted quickly by using the ActiveState Python package manager (pypm). I wrote some notes for doing this at: http://home.comcast.net/~rodrigc/python/twisted_install.html Rather than keep that info on my own web page, I thought it would be nice to contribute the information back to the Twisted wiki. This would not be the official way of installing Twisted on Windows, but would be some helpful information for an alternative way to install things on Windows. Since I do not have wiki edit permissions, I made a patch to http://twistedmatrix.com/trac/wiki/Downloads . If someone could help get this info on the wiki that would be great. -- Craig Rodrigues rodrigc(a)crodrigues.org

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[Twisted-Python] Free Coursera course on network software design patterns
by Craig Rodrigues 29 Nov '12

29 Nov '12

Hi, I saw a new free course being offered by Coursera and thought it might be interesting to Twisted developers. Professor Douglas C. Schmidt of Vanderbilt University is teaching a free Coursera course over the Internet for 6 weeks: "Pattern-Oriented Software Architectures for Concurrent and Networked Software" https://www.coursera.org/course/posa Prof. Schmidt has been working in distributed systems and middleware for quite a while, and has written many papers in this area, including some papers in the 1990's on the Reactor and Proactor patterns: http://www.cs.wustl.edu/~schmidt/PDF/reactor-siemens.pdf http://www.cs.wustl.edu/~schmidt/PDF/proactor.pdf Prof. Schmidt also implemented these patterns in the ACE C++ framework. As someone who in the past has worked on ACE, I see a lot of similar ideas and concepts in Twisted. However, working with Python and Twisted is much more fun than C++. :) It might be interesting to follow along the Coursera course, and implement the problem sets in Twisted. -- Craig Rodrigues rodrigc(a)crodrigues.org

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[Twisted-Python] GSoC 2012 Project, TwistedChecker
by Raphael Shu 29 Nov '12

29 Nov '12

Hi everyone, I'm a student of GSoC 2012, from University of Tsukuba, Japan. I'm glad to be selected as a practicer in Twisted project this year. Then in these serveral months, my project is to create a code standard checker for Twisted, Basically, I will follow "Twisted Coding Standard", it can be found at: http://twistedmatrix.com/trac/browser/trunk/doc/core/development/policy/cod… I hope finally this project could be integrated into our main ticket system, so it would automatically check patches or other things. Please let me know if you have any good advise or idea to this project. My name on IRC is zomux. ( This project is currently hosted on launchpad, http://launchpad.net/twistedchecker ) Thanks. Best Regards, -- *Raphael Shu , UACA 2012*

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[Twisted-Python] spawnProcess and when to kill
by 黄轶明 28 Nov '12

28 Nov '12

hi, all I start a process using spawnProcess and want to kill when my certain Factory stops. something I wrote like these ---------- p = SomeProtocol(ProcessProtocol) reactor.spawnProcess(p, 'twistd', ['twistd', '-y', 'anotherMain.py'], {}) ---------- class Factory(ServerFactory): ... def StopFactory(self): # which is the p above p.transport.signalProcess("KILL") I thought the subprocess will be killed which is not. What's wrong with my code? Thanks! Regards, Huang 黄轶明 mail: hoooooosety(a)gmail.com phone: 18620129285

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