Mailman 3 February 2009 - Twisted

[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. ______ __ __ _____ _ _ | ____ | \_/ |_____] |_____| |_____| |_____ | | | | @ 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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May 1, 2019

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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 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 April 28, 2013

April 28, 2013

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] An XMPP client with SSL support
by Pedro Sanchez Sept. 18, 2009

Sept. 18, 2009

Hello, I have a sample XMPP client with the following structure: from twisted.words.protocols.jabber import client, jid from twisted.internet import reactor ... factory = client.basicClientFactory(myJid, myPasswd) reactor.connectTCP(host,5222,factory) reactor.run() It works well, I can connect to the XMPP server. But I would appreciate if some one could give me some hints on what's required to get the client to connect using a secure SSL link. Thanks, -- Pedro

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[Twisted-Python] Available for short-term Twisted consulting, e.g. training, design (but not coding)
by Itamar Shtull-Trauring May 22, 2009

May 22, 2009

Need help with Twisted, distributed systems or or just plain old software architecture? Due to a repetitive strain injury I am unable to type much (though I am slowly improving), and so I'm taking time off of work to recover. As a result I am available for short-term consulting until I recover, e.g. training or design work, assuming of course it does not involve any typing. I've worked on Twisted itself, as well as projects ranging from high-performance distributed C++ servers, to an access control framework for an airline reservation system, to a multimedia kiosk system for the Israel Museum in Jerusalem: http://itamarst.org/resume.html Send me an e-mail if you're interested. -- Itamar Shtull-Trauring

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[Twisted-Python] Twisted plugins and py2exe
by Gabriel Rossetti May 10, 2009

May 10, 2009

Hello everyone! I used py2exe on a Twisted app of mine and I get this exception : Traceback (most recent call last): File "proj\service.pyc", line 1308, in connectionMade File "proj\service.pyc", line 1640, in _register File "proj\service.pyc", line 504, in loadPlugins File "twisted\plugin.pyc", line 200, in getPlugins --- <exception caught here> --- File "twisted\plugin.pyc", line 179, in getCache exceptions.AttributeError: ZipPath instance has no attribute 'setContent' Has anyone ever had this problem while using plugins with Twisted and py2exe? Thank you, Gabriel

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[Twisted-Python] official packaging
by Esteve Fernandez April 2, 2009

April 2, 2009

Hi all, I recently came across this issue [1], and Glyph commented about official packaging. We're using Ubuntu Hardy and created packages for Twisted 8.2.0, as Ubuntu LTS is our platform of choice. Those packages were accepted by their official maintainer (Matthias Klose, doko(a)debian.org) and uploaded to Ubuntu Jaunty and Debian unstable. Sadly, the official packages now use python-central (>=0.6.11), which isn't available in Hardy, so we'll have to stick to the packages in our PPA [2] In any case, we'll update them when Twisted 9.0 is released, but I think it would be better to upload them to a PPA repository officially approved by the Twisted team. Anyway, it would be great to have recent packages of Twisted for distributions that offer some kind of long term support contracts (Ubuntu, RHEL, etc.), but that tend to get a bit outdated. Cheers. 1 - http://twistedmatrix.com/trac/ticket/3102 2 - https://launchpad.net/~fluidinfo/+archive/ppa

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[Twisted-Python] Reentrant reactor iteration
by Marcel Keller March 7, 2009

March 7, 2009

Hi, I am working on the VIFF project (viff.dk) which uses Twisted. I found out that our code is sometimes inefficient because we are generating many deferreds (maybe about 10000) in a callback. While doing that, no network communication is performed. Therefore, I investigated the possibility of adding a function to the reactor which is called every iteration and from which the iteration could be called safely. Then, we could generate all deferreds in that function and activate the reactor from to time. See the attached patch for details. Some of our code runs twice as fast when using that hack. Are there any chances something similar might be included in Twisted? Or does anyone have a better solution for the described problem? Furthermore, I have a question, which is probably related. The documentation of IReactorCore says about the iterate() function: "The reactor must have been started (via the run() method) prior to any invocations of this method. It must also be stopped manually after the last call to this method (via the stop() method). This method is not re-entrant: you must not call it recursively; in particular, you must not call it while the reactor is running." This looks to me as if the reactor needs to be running and not running at the same time so that iterate() can be called. Is there an error in my reasoning? Best regards, Marcel Keller --- /usr/lib/python2.5/site-packages/twisted/internet/base.py 2008-07-29 22:13:54.000000000 +0200 +++ internet/base.py 2009-02-20 12:27:42.000000000 +0100 @@ -1127,17 +1127,32 @@ self.startRunning(installSignalHandlers=installSignalHandlers) self.mainLoop() + + def setLoopCall(self, f, *args, **kw): + self.loopCall = (f, args, kw) + + + def myIteration(self, t): + # Advance simulation time in delayed event + # processors. + self.runUntilCurrent() + + if (t is None): + t2 = self.timeout() + t = self.running and t2 + + self.doIteration(t) + + if ("loopCall" in dir(self)): + f, args, kw = self.loopCall + f(*args, **kw) + def mainLoop(self): while self._started: try: while self._started: - # Advance simulation time in delayed event - # processors. - self.runUntilCurrent() - t2 = self.timeout() - t = self.running and t2 - self.doIteration(t) + self.myIteration(None) except: log.msg("Unexpected error in main loop.") log.err()

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[Twisted-Python] Twisted developers: please donate your time!
by Itamar Shtull-Trauring March 5, 2009

March 5, 2009

As part of the TSF's fundraising efforts, we are trying to get upfront donations of time you will spend developing Twisted. It will then get matched by a donor, if we are successful in getting this grant. So if you're planning on working on Twisted anyway this year, your work will count twice as much! So, if you're interested, please reply, saying something like "I will spend two weeks working on Gopher support over the next year." -Itamar

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